541  
FNUS55 KRIW 162005  
FWFRIW  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
205 PM MDT MON SEP 16 2019  
   
DISCUSSION
 
 
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER  
ZONES 140...414...415...AND 416)...  
 
TEMPERATURES WILL BE SLIGHTLY COOLER IN THE MOUNTAINS TONIGHT, AS  
RH VALUES WILL BE SUBSTANTIALLY HIGHER. WINDS WILL REMAIN GUSTY  
AS WELL, AS SCATTERED SHOWERS CONTINUE OVER THE AREA. CHANCES WILL  
INCREASE AFTER MIDNIGHT, AS A COLD FRONT APPROACHES THE AREA. THE  
FRONT WILL ENTER THE AREA BEFORE SUNRISE AND QUICKLY EXIT  
EASTWARD. SNOW LEVELS WILL RANGE BETWEEN 7500 TO 8500FT IN THE  
MORNING, AS SHOWERS CONTINUE. SHOWERS WILL END FROM SOUTHWEST TO  
NORTHEAST THROUGH THE AFTERNOON, WITH SNOW LEVELS RISING TO AROUND  
8500FT. SHOWERS WILL LINGER ACROSS THE NORTH INTO TUESDAY  
EVENING. SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS OF 35 TO  
40 MPH WILL OCCUR BEHIND THE FRONT, MAINLY OVER ZONES 414, 415 AND  
416.  
   
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
 
 
282...283...285...286...287...288...AND 289)...  
 
TEMPERATURES WILL BE SLIGHTLY COOLER IN THE MOUNTAINS TONIGHT, AS  
RH VALUES WILL BE SUBSTANTIALLY HIGHER. WINDS WILL REMAIN GUSTY  
IN THE MOUNTAINS AS WELL. SCATTERED SHOWERS WILL CONTINUE OVER THE  
AREA THIS EVENING, WITH CHANCES DECREASING BY MIDNIGHT. A COLD  
FRONT WILL MOVE ACROSS THE AREA TUESDAY MORNING, WITH SNOW LEVELS  
DROPPING TO AROUND 10KFT BEHIND THE FRONT. THE FRONT WILL QUICKLY  
EXIT EASTWARD BY EARLY AFTERNOON. SHOWERS WILL INCREASE THROUGH  
THE MORNING AFTER SUNRISE AND END FROM SOUTHWEST TO NORTHEAST IN  
THE AFTERNOON. SNOW LEVELS WILL RANGE BETWEEN 7500 TO 8500FT IN  
THE MORNING, AS SHOWERS CONTINUE. SHOWERS WILL END FROM SOUTHWEST  
TO NORTHEAST THROUGH THE AFTERNOON, WITH SNOW LEVELS RISING TO  
AROUND 8500FT. SHOWERS WILL LINGER ACROSS THE NORTH INTO TUESDAY  
EVENING. SOUTHWEST TO WEST WINDS 25 TO 35 MPH WITH GUSTS OF 40 TO  
50 MPH WILL OCCUR BEHIND THE FRONT, ESPECIALLY IN THE CENTRAL  
ZONES.  
   
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
 
 
279...280...281...285...289...AND 300)...  
 
TEMPERATURES WILL BE SLIGHTLY COOLER IN THE MOUNTAINS TONIGHT, AS  
RH VALUES WILL BE SUBSTANTIALLY HIGHER. WINDS WILL REMAIN GUSTY  
ACROSS THE SOUTHERN ZONES AS WELL. SCATTERED SHOWERS WILL STAY  
CONFINED TO SOUTHERN ZONES THIS EVENING, WITH CHANCES DECREASING  
BY MIDNIGHT. A COLD FRONT WILL ENTER WESTERN WY TUESDAY MORNING,  
WITH SNOW LEVELS DROPPING TO AROUND 10KFT BEHIND THE FRONT. THE  
FRONT WILL QUICKLY PROGRESS EASTWARD THROUGH THE DAY, EXITING OVER  
EASTERN WY BY MID TO LATE AFTERNOON. SHOWERS WILL INCREASE  
THROUGH THE MORNING AFTER SUNRISE OVER SOUTHERN ZONES AND MOVES  
INTO ZONES 280, 281, 285, 289 AND 300 BY MIDDAY. THESE SHOWERS  
WILL THEN END FROM SOUTHWEST TO NORTHEAST THROUGH THE AFTERNOON,  
LINGERING OVER THE NORTH BY TUESDAY EVENING. SNOW LEVELS WILL BE  
AROUND 10KFT BEHIND THE FRONT. SOUTHWEST TO WEST WINDS 25 TO 35  
MPH WITH GUSTS OF 40 TO 50 MPH WILL OCCUR BEHIND THE FRONT,  
ESPECIALLY OVER ZONES 279, 289 AND 280. ISOLATED GUSTS OF 60 MPH  
CANNOT BE RULED OUT OVER ZONES 280 AND 289.  
 
   
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
 
   
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT
 
 
WYZ280-171045-  
NATRONA COUNTY/CASPER BLM-  
INCLUDING THE CITIES OF CASPER AND MIDWEST  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH. GUSTS UP TO 25  
MPH UNTIL 2100, THEN 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......8800-9200 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100. POOR AFTER 2400.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY. ISOLATED RAIN SHOWERS LATE IN THE  
MORNING. SCATTERED RAIN SHOWERS LATE IN THE  
MORNING. CHANCE OF SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS  
TO AROUND 25 MPH UNTIL 0900, THEN 25 TO 30 MPH  
WITH GUSTS TO AROUND 50 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 0900, THEN 30 TO  
35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 0900. 40 TO 45  
MPH AFTER 1200.  
MIXING HEIGHT.......1000-2000 FT AGL UNTIL 1200. 9000-9600 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......15 DEGREES COOLER.  
MAX HUMIDITY........48-54 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND  
35 MPH UNTIL 2100. DOWNSLOPE/DOWNVALLEY 4-7 MPH  
AFTER 2400.  
RIDGE TOP WINDS.....WEST AROUND 25 MPH UNTIL 2100, THEN SOUTHWEST  
10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH UNTIL 2100, THEN AROUND 15  
MPH.  
MIXING HEIGHT.......6600-7000 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........13-19 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH UNTIL 1200, THEN 30 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......1800-3400 FT AGL UNTIL 1200. 7800-8200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS AROUND 50. SOUTH WINDS AROUND  
10 MPH.    
THURSDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 70S. SOUTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ283-171045-  
UPPER WIND RIVER BASIN/WIND RIVER BASIN-  
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. SCATTERED RAIN  
SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY  
PRODUCE GUSTY WINDS EARLY IN THE EVENING.  
CHANCE OF PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......4400-6000 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
ISOLATED RAIN SHOWERS EARLY IN THE MORNING.  
SCATTERED RAIN SHOWERS IN THE MORNING, THEN  
ISOLATED RAIN SHOWERS EARLY IN THE AFTERNOON.  
CHANCE OF SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....58-63.  
24 HR TREND......17 DEGREES COOLER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 10 MPH AND GUSTY  
UNTIL 0900, THEN WEST 20 TO 25 MPH WITH GUSTS  
TO AROUND 40 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900, THEN WEST  
25 TO 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900. WEST 35 TO  
40 MPH AFTER 1200.  
MIXING HEIGHT.......1200-2400 FT AGL UNTIL 1200. 8000-9200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......13 DEGREES COOLER.  
MAX HUMIDITY........53-59 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25  
MPH UNTIL 2100, THEN 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH UNTIL 2100, THEN 10 TO 15  
MPH.  
MIXING HEIGHT.......5600-6200 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1500, THEN SOUTHWEST  
AROUND 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1400-2800 FT AGL UNTIL 1200. 7000-7400 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS IN THE UPPER  
30S. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS IN THE UPPER 60S.  
 

 
 
WYZ285-171045-  
SOUTH BIGHORN MOUNTAINS-  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS EARLY IN  
THE EVENING. ISOLATED RAIN SHOWERS IN THE  
EVENING. CHANCE OF SHOWERS 40 PERCENT.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......26 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......5800-6800 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100. POOR AFTER 2400.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY. SCATTERED RAIN SHOWERS.  
CHANCE OF SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....60-65.  
24 HR TREND......15 DEGREES COOLER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS AROUND 20 MPH WITH GUSTS  
TO AROUND 30 MPH UNTIL 1200, THEN WEST AROUND  
30 MPH WITH GUSTS TO AROUND 50 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 1200, THEN WEST  
AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 15 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 1200. WEST AROUND  
45 MPH AFTER 1500.  
MIXING HEIGHT.......1000-1600 FT AGL UNTIL 1200. 9000-9400 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....37-42.  
24 HR TREND......14 DEGREES COOLER.  
MAX HUMIDITY........56-62 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......BREEZY. WEST WINDS AROUND 25 MPH WITH GUSTS TO  
AROUND 35 MPH UNTIL 2100, THEN SOUTHWEST 10 TO  
15 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST AROUND 30 MPH UNTIL 2100, THEN SOUTHWEST  
15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH UNTIL 2100, THEN 15 TO 20  
MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....65-70.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH UNTIL 1200, THEN  
AROUND 20 MPH WITH GUSTS TO AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN AROUND  
25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......1600-2800 FT AGL UNTIL 1200. 6400-6800 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS AROUND 70. SOUTH  
WINDS AROUND 15 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY WITH SHOWERS LIKELY, SLIGHT  
CHANCE OF THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS, SLIGHT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 50S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER  
50S.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S.  
 

 
 
WYZ281-171045-  
JOHNSON COUNTY/CASPER BLM-  
INCLUDING THE CITIES OF BUFFALO AND KAYCEE  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........57-63 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......4400-6200 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY. SCATTERED RAIN SHOWERS  
LATE IN THE MORNING. ISOLATED THUNDERSTORMS  
LATE IN THE AFTERNOON. SOME THUNDERSTORMS MAY  
PRODUCE GUSTY WINDS AND SMALL HAIL LATE IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......15 DEGREES COOLER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 1200, THEN WEST AROUND 25  
MPH WITH GUSTS TO AROUND 40 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200, THEN WEST  
AROUND 30 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200. AROUND 40  
MPH AFTER 1500.  
MIXING HEIGHT.......800-1200 FT AGL UNTIL 1200. 8200-9200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. CHANCE OF RAIN SHOWERS IN THE  
EVENING. CHANCE OF SHOWERS 40 PERCENT.  
MIN TEMPERATURE.....42-47.  
24 HR TREND......15 DEGREES COOLER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND  
30 MPH UNTIL 2100, THEN DOWNSLOPE/DOWNVALLEY  
4-7 MPH.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN SOUTHWEST  
AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH UNTIL 2100, THEN 10 TO 15  
MPH UNTIL 0300, THEN SOUTHWEST.  
MIXING HEIGHT.......4000-5200 FT AGL UNTIL 2100. 400 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN AROUND 20  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN AROUND 20  
MPH.  
MIXING HEIGHT.......1600-3000 FT AGL UNTIL 1200. 6400-7200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS  
AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
COOLER. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.  
WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.  
WEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS. LOWS IN THE MID 40S. HIGHS 66 TO 71.  
 

 
 
WYZ282-171045-  
SOUTH BIG HORN BASIN/WORLAND BLM-  
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY. SCATTERED RAIN SHOWERS  
EARLY IN THE EVENING, THEN ISOLATED RAIN  
SHOWERS EARLY IN THE EVENING. CHANCE OF SHOWERS  
50 PERCENT.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......4200-5000 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY. ISOLATED RAIN SHOWERS  
LATE IN THE MORNING. SCATTERED RAIN SHOWERS  
LATE IN THE MORNING. ISOLATED RAIN SHOWERS LATE  
IN THE AFTERNOON. CHANCE OF SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......17 DEGREES COOLER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH  
HIGHER GUSTS UNTIL 1200, THEN WEST AROUND 25  
MPH WITH GUSTS TO AROUND 35 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST 25  
TO 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH UNTIL 1200, THEN SOUTHWEST  
30 TO 35 MPH.  
MIXING HEIGHT.......800-1400 FT AGL UNTIL 1200. 6800-8000 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......14 DEGREES COOLER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL 2100,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 2400, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN EAST AROUND  
10 MPH UNTIL 2400, THEN SOUTHEAST.  
MIXING HEIGHT.......4800-5600 FT AGL UNTIL 2100. 400-600 FT AGL  
AFTER 2400.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH  
AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......1400-2600 FT AGL UNTIL 1200. 6000-6600 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 40S. WINDS GENERALLY  
LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
FRIDAY
 
COOLER. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS IN THE UPPER 60S.  
 

 
 
WYZ275-171045-  
NORTH BIG HORN BASIN/WORLAND BLM-  
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SCATTERED RAIN SHOWERS EARLY IN THE EVENING.  
ISOLATED RAIN SHOWERS LATE IN THE EVENING.  
CHANCE OF SHOWERS 50 PERCENT.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........56-62 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH  
UNTIL 0300.  
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 2400, THEN 600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SCATTERED RAIN SHOWERS IN THE MORNING. PERIODS  
OF RAIN SHOWERS IN THE AFTERNOON. CHANCE OF  
SHOWERS NEAR 100 PERCENT.  
MAX TEMPERATURE.....59-64.  
24 HR TREND......19 DEGREES COOLER.  
MIN HUMIDITY........37-43 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 1500, THEN WEST AROUND 20  
MPH WITH GUSTS TO AROUND 30 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN WEST  
AROUND 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 35 PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH UNTIL 1200, THEN SOUTHWEST  
AROUND 25 MPH UNTIL 1500, THEN WEST.  
MIXING HEIGHT.......800-1400 FT AGL UNTIL 1200, THEN 4000-5200 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS IN  
THE EVENING. CHANCE OF SHOWERS 20 PERCENT.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......12 DEGREES COOLER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL 2100,  
THEN SOUTH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN NORTH UNTIL  
2400, THEN SOUTHEAST.  
MIXING HEIGHT.......4000-4600 FT AGL UNTIL 2100. 400 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....64-69.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHEAST AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1500, THEN 4800-5400 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST  
WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.  
NORTHEAST WINDS AROUND 10 MPH.    
FRIDAY
 
COOLER. SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS AROUND 60.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S.    
MONDAY
 
MOSTLY SUNNY WITH SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE UPPER 60S.  
 

 
 
WYZ276-171045-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SCATTERED RAIN SHOWERS  
EARLY IN THE EVENING, THEN ISOLATED RAIN  
SHOWERS EARLY IN THE EVENING. CHANCE OF SHOWERS  
50 PERCENT.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........57-63 PERCENT.  
24 HR TREND......25 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 2400, THEN 600 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
ISOLATED RAIN SHOWERS IN THE MORNING. SCATTERED  
RAIN SHOWERS LATE IN THE MORNING. CHANCE OF  
SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....59-64.  
24 HR TREND......20 DEGREES COOLER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 20 MPH  
UNTIL 1200, THEN 35 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200. WEST AROUND  
40 MPH AFTER 1500.  
MIXING HEIGHT.......1000-2000 FT AGL UNTIL 1200, THEN 4600-5400 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......11 DEGREES COOLER.  
MAX HUMIDITY........50-56 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 25  
MPH UNTIL 2100, THEN 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 35 MPH UNTIL 2100, THEN SOUTHWEST  
AROUND 15 MPH.  
MIXING HEIGHT.......4400-4800 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHEAST AROUND 10 MPH. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......1800-3400 FT AGL UNTIL 1200. 7200-7800 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
COOLER. SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS AROUND 40. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS AROUND 40.  
HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S.  
 

 
 
WYZ287-171045-  
OWL CREEK MOUNTAINS-  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY THEN BECOMING PARTLY  
CLOUDY. NUMEROUS RAIN SHOWERS EARLY IN THE  
EVENING, THEN ISOLATED RAIN SHOWERS EARLY IN  
THE EVENING. ISOLATED RAIN SHOWERS LATE IN THE  
EVENING. CHANCE OF SHOWERS 70 PERCENT.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......28 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25  
MPH UNTIL 0300, THEN 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.  
MIXING HEIGHT.......2200-4000 FT AGL UNTIL 2400, THEN 600 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY. NUMEROUS RAIN SHOWERS IN THE MORNING.  
SCATTERED RAIN SHOWERS IN THE AFTERNOON. CHANCE  
OF SHOWERS 70 PERCENT.  
MAX TEMPERATURE.....56-61.  
24 HR TREND......18 DEGREES COOLER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS  
TO AROUND 25 MPH UNTIL 1200, THEN WEST 25 TO 30  
MPH WITH GUSTS TO AROUND 45 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900. WEST AROUND  
35 MPH AFTER 1500.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200. WEST AROUND  
40 MPH AFTER 1500.  
MIXING HEIGHT.......1200-2000 FT AGL UNTIL 1200, THEN 5400-7400 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......11 DEGREES COOLER.  
MAX HUMIDITY........50-56 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND  
30 MPH UNTIL 2100, THEN SOUTHWEST AROUND 10 MPH  
WITH GUSTS TO AROUND 15 MPH.  
RIDGE TOP WINDS.....WEST AROUND 25 MPH UNTIL 2100, THEN SOUTHWEST  
AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH UNTIL 2100, THEN SOUTHWEST  
15 TO 20 MPH.  
MIXING HEIGHT.......5000-5600 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....63-68.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH. 20 MPH AFTER 1500.  
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......1600-2800 FT AGL UNTIL 1200. 6600-7200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS  
AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S.  
WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS IN THE UPPER  
30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 60.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S.  
 

 
 
WYZ286-171045-  
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-  
INCLUDING THE CITY OF PAHASKA  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY THEN BECOMING PARTLY  
CLOUDY THEN BECOMING MOSTLY CLOUDY. SCATTERED  
RAIN SHOWERS. CHANCE OF SHOWERS 50 PERCENT.  
MIN TEMPERATURE.....44-49.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......32 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......4000-4800 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SCATTERED RAIN SHOWERS AND SNOW SHOWERS LIKELY  
THROUGH THE DAY. NO SNOW ACCUMULATION. CHANCE  
OF PRECIPITATION 70 PERCENT.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......19 DEGREES COOLER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 1200, THEN AROUND 25 MPH  
WITH GUSTS TO AROUND 40 MPH.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH UNTIL 1200, THEN AROUND 30  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.12 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200. WEST AROUND  
45 MPH AFTER 1500.  
MIXING HEIGHT.......1400-2200 FT AGL UNTIL 1200, THEN 4200-5200 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLEAR.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......8 DEGREES COOLER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH UNTIL 2400, THEN AROUND 15 MPH  
WITH GUSTS TO AROUND 25 MPH.  
RIDGE TOP WINDS.....WEST AROUND 30 MPH UNTIL 2100, THEN AROUND 20  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH UNTIL 2100, THEN 20 TO 25  
MPH.  
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 2400, THEN 600 FT AGL.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....57-62.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS  
UNTIL 1500, THEN AROUND 20 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN AROUND  
25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......2000-3800 FT AGL UNTIL 1200. 7800-8200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTHWEST WINDS  
AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY, CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
COLDER. SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S.  
WEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SHOWERS AND SNOW SHOWERS LIKELY.  
LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. WEST WINDS AROUND  
10 MPH.    
SUNDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS  
IN THE MORNING, THEN CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN  
THE LOWER 50S.  
 

 
 
WYZ140-171045-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SCATTERED RAIN SHOWERS.  
CHANCE OF SHOWERS 50 PERCENT.  
MIN TEMPERATURE.....38-43.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........83-89 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 30 MPH UNTIL 2100, THEN 15 TO 20  
MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 2100. 600-800 FT AGL  
AFTER 2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
NUMEROUS RAIN SHOWERS AND SNOW SHOWERS. NO SNOW  
ACCUMULATION. CHANCE OF PRECIPITATION NEAR 100  
PERCENT.  
MAX TEMPERATURE.....46-51.  
24 HR TREND......21 DEGREES COOLER.  
MIN HUMIDITY........50-56 PERCENT.  
24 HR TREND......27 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.22 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 1500, THEN 3800-4400 FT  
AGL.  
SMOKE DISPERSAL.....GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........74-80 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH  
UNTIL 0300, THEN 15 MPH.  
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH UNTIL 2100, THEN 15 TO  
20 MPH.  
MIXING HEIGHT.......4200-4600 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....56-61.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST  
AROUND 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH UNTIL 1200, THEN SOUTHWEST  
25 TO 30 MPH.  
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 1200. 8400-8800 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 30S. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY, CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS LIKELY. LOWS IN THE MID 30S. HIGHS  
IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
FRIDAY
 
COLDER. SHOWERS WITH POSSIBLE SNOW SHOWERS AND  
THUNDERSTORMS LIKELY. LOWS AROUND 30. HIGHS IN THE LOWER 40S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND CHANCE OF SNOW  
SHOWERS. LOWS AROUND 30. HIGHS IN THE MID 40S. WINDS GENERALLY  
LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE  
OF SHOWERS IN THE MORNING, THEN CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS IN THE LOWER 50S.  
 

 
 
WYZ415-171045-  
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-  
INCLUDING THE CITIES OF JACKSON AND MORAN  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
SCATTERED RAIN SHOWERS IN THE EVENING, THEN  
NUMEROUS RAIN SHOWERS AFTER MIDNIGHT. CHANCE OF  
SHOWERS 70 PERCENT.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........88-94 PERCENT.  
24 HR TREND......37 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
25 MPH UNTIL 0300, THEN SOUTHWEST AROUND 10 MPH  
WITH GUSTS TO AROUND 15 MPH.  
RIDGE TOP WINDS.....SOUTH 20 TO 25 MPH UNTIL 2400, THEN AROUND 15  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 2400, THEN 10 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 30 MPH UNTIL 2100, THEN 15 TO 20  
MPH.  
MIXING HEIGHT.......6200-7200 FT AGL UNTIL 2100. 600-800 FT AGL  
AFTER 2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100. POOR AFTER 2400.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
PERIODS OF RAIN SHOWERS AND SNOW SHOWERS IN THE  
MORNING, THEN SCATTERED RAIN SHOWERS AND CHANCE  
OF SNOW SHOWERS IN THE AFTERNOON. NO SNOW  
ACCUMULATION. CHANCE OF PRECIPITATION NEAR 100  
PERCENT.  
MAX TEMPERATURE.....44-49.  
24 HR TREND......21 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH UNTIL 1200, THEN 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.45 PERCENT UNTIL 1200, THEN 10 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST  
AROUND 30 MPH.  
MIXING HEIGHT.......1600-2600 FT AGL UNTIL 1200, THEN 4000-6000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. VERY GOOD TO EXCELLENT  
AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......9 DEGREES COOLER.  
MAX HUMIDITY........74-80 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH AND GUSTY UNTIL  
2400, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 2400, THEN SOUTH  
AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH UNTIL 2100, THEN SOUTH 10 TO  
15 MPH.  
MIXING HEIGHT.......4800-5200 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....54-59.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........35-41 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1500, THEN SOUTHWEST  
AROUND 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST  
20 TO 25 MPH.  
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 1200. 8600-9200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 30S. SOUTH WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY, CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS LIKELY. LOWS IN THE MID 30S. HIGHS  
IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.    
FRIDAY
 
COLDER. SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS AROUND 30. HIGHS IN THE LOWER 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF SNOW  
SHOWERS. LOWS AROUND 30. HIGHS IN THE MID 40S. WINDS GENERALLY  
LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS IN THE MORNING, THEN CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 50S.  
 

 
 
WYZ416-171045-  
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SCATTERED RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN  
NUMEROUS RAIN SHOWERS AFTER MIDNIGHT. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS EARLY IN  
THE EVENING. CHANCE OF PRECIPITATION 70  
PERCENT.  
MIN TEMPERATURE.....37-42.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......31 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.10 PERCENT UNTIL 2400, THEN 20 PERCENT.  
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.  
MIXING HEIGHT.......4000-4600 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. PERIODS OF RAIN SHOWERS  
AND SNOW SHOWERS IN THE MORNING, THEN SNOW  
SHOWERS LIKELY AND SCATTERED RAIN SHOWERS IN  
THE AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.  
MAX TEMPERATURE.....42-47.  
24 HR TREND......19 DEGREES COOLER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS  
TO AROUND 25 MPH UNTIL 1200, THEN WEST AROUND  
25 MPH WITH GUSTS TO AROUND 35 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1500, THEN WEST  
AROUND 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.70 PERCENT UNTIL 1200, THEN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200. WEST AROUND  
40 MPH AFTER 1500.  
MIXING HEIGHT.......1200-2200 FT AGL UNTIL 1200, THEN 4600-6200 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......9 DEGREES COOLER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......23 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND  
25 MPH UNTIL 2100, THEN DOWNSLOPE/DOWNVALLEY  
4-7 MPH.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN SOUTHWEST  
AROUND 10 MPH UNTIL 0300, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH UNTIL 2100, THEN SOUTHWEST  
10 TO 15 MPH.  
MIXING HEIGHT.......4400-4600 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN AROUND  
20 MPH.  
MIXING HEIGHT.......1800-3200 FT AGL UNTIL 1200. 6600-7200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS, SNOW SHOWERS LIKELY AND  
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S. SOUTH WINDS AROUND 10 MPH.    
FRIDAY
 
COLDER. MOSTLY CLOUDY. SNOW SHOWERS WITH POSSIBLE  
SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE UPPER 20S. HIGHS IN  
THE LOWER 40S. WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR WITH CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WINDS GENERALLY LESS  
THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS AND SNOW SHOWERS. LOWS AROUND 30. HIGHS IN THE LOWER 50S.  
 

 
 
WYZ288-171045-  
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-  
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY THEN BECOMING PARTLY  
CLOUDY THEN BECOMING MOSTLY CLOUDY. ISOLATED  
THUNDERSTORMS IN THE EVENING. SCATTERED RAIN  
SHOWERS THROUGH THE NIGHT. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS EARLY IN THE EVENING.  
CHANCE OF PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........76-82 PERCENT.  
24 HR TREND......28 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 25 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.5 PERCENT UNTIL 2400, THEN 15 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......4600-5600 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. NUMEROUS RAIN SHOWERS  
AND SNOW SHOWERS IN THE MORNING, THEN SCATTERED  
RAIN SHOWERS AND CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......17 DEGREES COOLER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 35 MPH UNTIL 1200, THEN WEST AROUND  
30 MPH WITH GUSTS TO AROUND 45 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1200, THEN WEST 30  
TO 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.50 PERCENT UNTIL 1200, THEN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 0900. WEST AROUND  
45 MPH AFTER 1500.  
MIXING HEIGHT.......1400-2400 FT AGL UNTIL 1200, THEN 5400-6800 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......8 DEGREES COOLER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......23 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35  
MPH UNTIL 0300, THEN SOUTHWEST AROUND 10 MPH  
WITH GUSTS TO AROUND 15 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2400, THEN SOUTHWEST  
AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 35 MPH UNTIL 2100, THEN 15 TO 20  
MPH.  
MIXING HEIGHT.......4200-4800 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....57-62.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 1500, THEN AROUND 20 MPH  
WITH GUSTS TO AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN AROUND  
25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......1800-3200 FT AGL UNTIL 1200. 6800-7200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1500, THEN VERY GOOD TO  
EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST  
WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS, SNOW SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY. SHOWERS LIKELY WITH POSSIBLE  
SNOW SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN  
THE MID 40S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND  
10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS IN THE MID 50S.  
 

 
 
WYZ414-171045-  
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-  
INCLUDING THE CITY OF AFTON  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
ISOLATED RAIN SHOWERS IN THE EVENING. SCATTERED  
RAIN SHOWERS LATE IN THE EVENING, THEN NUMEROUS  
RAIN SHOWERS LATE IN THE NIGHT. CHANCE OF  
SHOWERS 70 PERCENT.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......27 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 30  
MPH UNTIL 0300.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 2400, THEN 15 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 35 MPH UNTIL 2100, THEN SOUTHWEST  
20 TO 25 MPH.  
MIXING HEIGHT.......7200-8400 FT AGL UNTIL 2100. 600-800 FT AGL  
AFTER 2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100. POOR AFTER 2400.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. PERIODS OF RAIN SHOWERS  
AND SNOW SHOWERS IN THE MORNING, THEN SCATTERED  
RAIN SHOWERS AND CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.  
MAX TEMPERATURE.....44-49.  
24 HR TREND......20 DEGREES COOLER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH UNTIL 1200, THEN AROUND 20 MPH WITH GUSTS  
TO AROUND 30 MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1200, THEN AROUND 25  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.50 PERCENT UNTIL 1200, THEN ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1200, THEN AROUND 30  
MPH.  
MIXING HEIGHT.......1600-2800 FT AGL UNTIL 1200, THEN 5000-6800 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........74-80 PERCENT.  
24 HR TREND......27 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL 2100,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 2400, THEN  
SOUTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH UNTIL 2100, THEN SOUTHWEST  
AROUND 10 MPH.  
MIXING HEIGHT.......5200-5400 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....57-62.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN SOUTH  
10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN SOUTHWEST  
AROUND 20 MPH.  
MIXING HEIGHT.......2400-2600 FT AGL UNTIL 0900. 9000-9400 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY, CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS LIKELY. LOWS IN THE MID 30S. HIGHS  
IN THE MID 50S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
COLDER. MOSTLY CLOUDY. SHOWERS, SNOW SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS AROUND 30. HIGHS IN THE MID 40S.  
WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR WITH CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WINDS GENERALLY  
LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS AND SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S.  
 

 
 
WYZ278-171045-  
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-  
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. ISOLATED THUNDERSTORMS  
IN THE EVENING. SCATTERED RAIN SHOWERS THROUGH  
THE NIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
25 MPH UNTIL 2400, THEN SOUTHWEST AROUND 10 MPH  
WITH GUSTS TO AROUND 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH UNTIL 2400, THEN AROUND 15  
MPH.  
MIXING HEIGHT.......5400-6200 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. SCATTERED RAIN SHOWERS  
UNTIL LATE AFTERNOON. ISOLATED RAIN SHOWERS  
EARLY IN THE AFTERNOON. CHANCE OF SHOWERS 50  
PERCENT.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......18 DEGREES COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST WINDS AROUND 10 MPH AND GUSTY  
UNTIL 0900, THEN 20 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 0900, THEN 25 TO 30  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.25 PERCENT UNTIL 1200, THEN ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900, THEN WEST  
25 TO 30 MPH.  
MIXING HEIGHT.......1400-2800 FT AGL UNTIL 1200, THEN 5800-7400 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......14 DEGREES COOLER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL 2100,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH UNTIL 2100, THEN NORTHWEST  
AROUND 10 MPH.  
MIXING HEIGHT.......5400-5800 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....58-63.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN SOUTH  
AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHEAST AROUND 5 MPH UNTIL 0900, THEN SOUTH  
10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH UNTIL 0900, THEN SOUTHEAST  
UNTIL 1200, THEN SOUTHWEST.  
MIXING HEIGHT.......1400-2800 FT AGL UNTIL 1200. 7200-7800 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY. SHOWERS LIKELY, SLIGHT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN  
THE LOWER 50S. WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND 60.    
MONDAY
 
MOSTLY SUNNY WITH SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE LOWER 60S.  
 

 
 
WYZ277-171045-  
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-  
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. SCATTERED RAIN  
SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY  
PRODUCE GUSTY WINDS EARLY IN THE EVENING.  
CHANCE OF PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH UNTIL 0300, THEN WEST AROUND 10  
MPH WITH GUSTS TO AROUND 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 2400, THEN AROUND  
15 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 35 MPH UNTIL 2100, THEN 15 TO  
20 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100. POOR AFTER 2400.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. SCATTERED RAIN SHOWERS  
IN THE MORNING. ISOLATED RAIN SHOWERS EARLY IN  
THE AFTERNOON. CHANCE OF SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....49-54.  
24 HR TREND......18 DEGREES COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 1200, THEN 20 TO 25 MPH  
WITH GUSTS TO AROUND 35 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1200, THEN 25 TO 30  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1200, THEN AROUND 30  
MPH.  
MIXING HEIGHT.......1800-3200 FT AGL UNTIL 1200, THEN 5800-7400 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....29-34.  
24 HR TREND......12 DEGREES COOLER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
15 MPH UNTIL 2100, THEN DOWNSLOPE/DOWNVALLEY  
4-7 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 0300, THEN EAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN NORTHWEST  
AROUND 10 MPH.  
MIXING HEIGHT.......5400-5800 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....60-65.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH  
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN SOUTH  
15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 1200, THEN SOUTHWEST  
15 TO 20 MPH.  
MIXING HEIGHT.......1800-3600 FT AGL UNTIL 1200. 9000-9400 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN EXCELLENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WINDS  
GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY. SHOWERS, SNOW SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS  
AROUND 50. WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS AROUND  
30. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND 60.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S.  
 

 
 
WYZ279-171045-  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE  
EVENING. SCATTERED RAIN SHOWERS THROUGH THE  
NIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....44-49.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........76-82 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH  
UNTIL 0300, THEN 20 MPH.  
RIDGE TOP WINDS.....SOUTH 20 TO 25 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.  
MIXING HEIGHT.......6600-7400 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100. POOR AFTER 2400.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY. ISOLATED RAIN SHOWERS EARLY IN THE  
MORNING. SCATTERED RAIN SHOWERS EARLY IN THE  
MORNING. ISOLATED RAIN SHOWERS EARLY IN THE  
AFTERNOON. CHANCE OF SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....57-62.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH. GUSTS UP TO 30  
MPH UNTIL 1200, THEN 40 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200, THEN WEST  
AROUND 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH UNTIL 0900, THEN WEST 30 TO  
35 MPH.  
MIXING HEIGHT.......1400-2600 FT AGL UNTIL 1200. 7400-8000 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....34-39.  
24 HR TREND......14 DEGREES COOLER.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH AND GUSTY UNTIL 2100,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN AROUND 10  
MPH UNTIL 0300, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH UNTIL 2100, THEN AROUND 10  
MPH UNTIL 0300, THEN SOUTHWEST.  
MIXING HEIGHT.......5600-5800 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....65-70.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900. WINDS  
SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 30  
MPH AFTER 1500.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST  
20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST  
AROUND 25 MPH.  
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 1200. 8000-8400 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. VERY GOOD TO EXCELLENT  
AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS  
AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS AROUND 70. SOUTH  
WINDS AROUND 15 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S. WEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.  
 

 
 
WYZ289-171045-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
INCLUDING THE CITY OF JEFFREY CITY  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING. ISOLATED  
RAIN SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS EARLY IN THE EVENING.  
CHANCE OF PRECIPITATION 40 PERCENT.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........68-74 PERCENT.  
24 HR TREND......18 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 30  
MPH UNTIL 0300, THEN 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......7800-8600 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100. POOR AFTER 2400.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY. ISOLATED RAIN SHOWERS EARLY IN THE  
MORNING. SCATTERED RAIN SHOWERS EARLY IN THE  
MORNING. CHANCE OF SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....59-64.  
24 HR TREND......15 DEGREES COOLER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 35 MPH UNTIL 1200, THEN WEST AROUND  
30 MPH WITH GUSTS TO AROUND 45 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1200, THEN WEST  
AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 0900. WEST AROUND  
45 MPH AFTER 1500.  
MIXING HEIGHT.......1400-2600 FT AGL UNTIL 1200. 8000-8800 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......13 DEGREES COOLER.  
MAX HUMIDITY........56-62 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND  
30 MPH UNTIL 2100. DOWNSLOPE/DOWNVALLEY 4-7 MPH  
AFTER 0300.  
RIDGE TOP WINDS.....WEST AROUND 25 MPH UNTIL 2100, THEN SOUTHWEST  
10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 35 MPH UNTIL 2100, THEN SOUTHWEST  
AROUND 15 MPH.  
MIXING HEIGHT.......5600-6000 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 1500, THEN AROUND 20 MPH  
WITH GUSTS TO AROUND 30 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......1800-3400 FT AGL UNTIL 1200. 7800-8200 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S.  
SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.  
 

 
 
WYZ300-171045-  
CASPER MOUNTAIN-  
205 PM MDT MON SEP 16 2019  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......26 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......8400-8600 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT UNTIL 2100. POOR AFTER  
2400.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY. SCATTERED RAIN SHOWERS IN THE MORNING.  
NUMEROUS RAIN SHOWERS IN THE AFTERNOON. CHANCE  
OF SHOWERS 70 PERCENT.  
MAX TEMPERATURE.....63-68.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS AROUND 20 MPH WITH GUSTS  
TO AROUND 30 MPH UNTIL 0900, THEN 30 TO 35 MPH  
WITH GUSTS TO AROUND 55 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1200, THEN AROUND  
40 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 0900. 45 TO 50  
MPH AFTER 1200.  
MIXING HEIGHT.......1400-2400 FT AGL UNTIL 1200, THEN 7200-7800 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......10 DEGREES COOLER.  
MAX HUMIDITY........44-50 PERCENT.  
24 HR TREND......18 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......BREEZY. WEST WINDS AROUND 25 MPH WITH GUSTS TO  
AROUND 35 MPH UNTIL 2100, THEN SOUTHWEST 10 TO  
15 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST AROUND 30 MPH UNTIL 2100, THEN SOUTHWEST  
15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 45 MPH UNTIL 2100, THEN SOUTHWEST  
AROUND 20 MPH.  
MIXING HEIGHT.......5400-5800 FT AGL UNTIL 2100. 600 FT AGL AFTER  
2400.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2100. POOR AFTER 2400.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 20  
MPH UNTIL 1200, THEN 30 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN AROUND  
25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200, THEN AROUND  
30 MPH.  
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 1200. 8800-9000 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200. EXCELLENT AFTER 1500.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS AROUND 50. SOUTH WINDS AROUND  
10 MPH.    
THURSDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. SOUTH  
WINDS AROUND 15 MPH.    
FRIDAY
 
COOLER. PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 15 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.  
 

 
 
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