714  
FNUS55 KRIW 232036  
FWFRIW  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
236 PM MDT MON OCT 23 2017  
   
DISCUSSION
 
 
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER  
ZONES 140...414...415...AND 416)...  
 
HIGH PRESSURE WILL BRING DRY AND MILD WEATHER THROUGH WEDNESDAY.  
EXPECT MILD AND DRY CONDITIONS ON TUESDAY WITH WIND REMAINING LIGHT  
TO MODERATE. MIXING AND SMOKE DISPERSAL WILL BE GENERALLY FAIR TO  
POOR. A GUSTY BREEZE WILL DEVELOP WEDNESDAY AHEAD OF A COLD FRONT  
THAT WILL BRING COOLER TEMPERATURES FOR THURSDAY FOR ALL AREAS AND A  
CHANCE OF SNOW SHOWERS TO THE NORTHERN ZONES.  
   
..RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
 
 
279...AND 289)...  
 
HIGH PRESSURE WILL BRING DRY AND MILD WEATHER THROUGH WEDNESDAY.  
EXPECT MILD AND DRY CONDITIONS ON TUESDAY WITH WIND REMAINING LIGHT  
TO MODERATE. MIXING AND SMOKE DISPERSAL WILL BE GENERALLY FAIR TO  
POOR. A GUSTY WIND WILL DEVELOP WEDNESDAY AHEAD OF A COLD FRONT THAT  
WILL BRING COOLER TEMPERATURES FOR THURSDAY.  
   
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
 
 
282...283...285...286...287...288...AND 289)...  
 
HIGH PRESSURE WILL BRING DRY AND MILD WEATHER THROUGH WEDNESDAY.  
EXPECT MILD AND DRY CONDITIONS ON TUESDAY WITH WIND REMAINING LIGHT  
TO MODERATE. MIXING AND SMOKE DISPERSAL WILL BE GENERALLY FAIR TO  
POOR. A GUSTY WIND WILL DEVELOP WEDNESDAY AHEAD OF A COLD FRONT THAT  
WILL BRING SHARPLY COOLER TEMPERATURES FOR THURSDAY. SNOW SHOWERS  
ARE POSSIBLE THURSDAY MORNING, ESPECIALLY IN THE SOUTHERN ZONES.  
   
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281
 
 
285...289...AND 300)...  
 
HIGH PRESSURE WILL BRING DRY AND MILD WEATHER THROUGH WEDNESDAY.  
EXPECT MILD AND DRY CONDITIONS ON TUESDAY WITH WIND REMAINING LIGHT  
TO MODERATE. MIXING AND SMOKE DISPERSAL WILL BE GENERALLY FAIR TO  
POOR. A GUSTY WIND WILL DEVELOP WEDNESDAY AHEAD OF A COLD FRONT.  
WITH RELATIVE HUMIDITY FALLING INTO THE TEENS, ELEVATED TO POSSIBLY  
CRITICAL FIRE WEATHER MAY OCCUR WEDNESDAY AFTERNOON IN ZONE 280.  
SHARPLY COLDER WEATHER WILL MOVE IN FOR THURSDAY, WITH SNOW SHOWERS  
POSSIBLE IN THE MORNING.  
   
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
 
   
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT
 
 
WYZ280-241015-  
NATRONA COUNTY/CASPER BLM-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-3500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....55-60.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 3500-4000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....35-40.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........53-59 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
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.......1500-2000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........12-18 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP  
TO 35 MPH UNTIL 1200, THEN 40 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 0900, THEN 25 TO  
30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 20S. NORTHWEST WINDS  
AROUND 15 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. NORTHEAST WINDS  
AROUND 10 MPH.    
FRIDAY
 
NOT AS COOL. PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN  
THE UPPER 40S. WEST WINDS AROUND 10 MPH.    
SATURDAY
 
WARMER. MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE  
UPPER 50S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING.  
HIGHS IN THE LOWER 50S.  
 

 
 
WYZ283-241015-  
UPPER WIND RIVER BASIN/WIND RIVER BASIN-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN WEST.  
MIXING HEIGHT.......3000 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....56-61.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 10 MPH  
UNTIL 0900, THEN 10 MPH AFTER 1200.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 3000-3500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
SOUTHWEST AROUND 10 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....64-69.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 30S. NORTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY. CHANCE OF SNOW SHOWERS  
AND SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 30S.  
NORTHEAST WINDS AROUND 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS  
IN THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 50S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND 60.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.  
 

 
 
WYZ285-241015-  
SOUTH BIGHORN MOUNTAINS-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH  
UNTIL 2100, THEN 15 MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500-3000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....34-39.  
24 HR TREND......9 DEGREES WARMER.  
MAX HUMIDITY........51-57 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
15 MPH.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....62-67.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
COLDER. PARTLY CLOUDY. CHANCE OF SHOWERS AND  
SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 20S. NORTHWEST WINDS  
AROUND 15 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
LOWS IN THE MID 20S. HIGHS IN THE LOWER 30S. NORTH WINDS AROUND  
10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN THE LOWER 40S.  
WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
LOWER 50S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S.    
MONDAY
 
COLDER. PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW  
IN THE MORNING, THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON.  
HIGHS IN THE LOWER 40S.  
 

 
 
WYZ281-241015-  
JOHNSON COUNTY/CASPER BLM-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....27-32.  
24 HR TREND......8 DEGREES COOLER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTH WINDS AROUND 20 MPH WITH GUSTS TO AROUND  
30 MPH UNTIL 2100, THEN NORTHWEST AROUND 10 MPH  
WITH GUSTS TO AROUND 15 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN WEST  
AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 25 MPH UNTIL 2100, THEN WEST  
AROUND 15 MPH.  
MIXING HEIGHT.......3500-4000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....57-62.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 3500-4000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
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......10 DEGREES WARMER.  
MAX HUMIDITY........53-59 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........10-16 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN  
NORTHWEST. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1500, THEN  
NORTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1500, THEN  
NORTHWEST.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 3000-4500 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
COLDER. PARTLY CLOUDY. CHANCE OF SHOWERS AND  
SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 20S. NORTHWEST  
WINDS AROUND 20 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY WITH CHANCE OF SNOW  
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. NORTH WINDS  
AROUND 15 MPH.    
FRIDAY
 
NOT AS COOL. PARTLY CLOUDY. LOWS IN THE LOWER 20S.  
HIGHS IN THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS  
AROUND 60. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S.    
MONDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
MORNING. HIGHS AROUND 50.  
 

 
 
WYZ282-241015-  
SOUTH BIG HORN BASIN/WORLAND BLM-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2100, THEN  
SOUTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2100, THEN  
SOUTHWEST.  
MIXING HEIGHT.......3000-3500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 10 MPH  
UNTIL 0900.  
RIDGE TOP WINDS.....SOUTH 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. 10 MPH AFTER  
2100.  
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....64-69.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 10 MPH.  
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH UNTIL 1500, THEN NORTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1500, THEN NORTHWEST.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS AFTER MIDNIGHT. LOWS AROUND 30. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY WITH CHANCE OF SNOW  
SHOWERS AND SHOWERS. LOWS AROUND 30. HIGHS IN THE UPPER 30S.  
NORTH WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER  
40S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER  
60S.    
MONDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
MORNING. HIGHS IN THE LOWER 50S.  
 

 
 
WYZ275-241015-  
NORTH BIG HORN BASIN/WORLAND BLM-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY UNTIL  
2400, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400. SOUTH AFTER  
0300.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN WEST  
AROUND 10 MPH UNTIL 0300, THEN SOUTH.  
MIXING HEIGHT.......3500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
SOUTHEAST AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.  
MIXING HEIGHT.......1000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....60-65.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN CHANCE OF SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT.  
LOWS AROUND 30. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY WITH CHANCE OF SNOW  
SHOWERS AND SHOWERS. LOWS AROUND 30. HIGHS IN THE UPPER 30S.  
NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE  
LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.  
 

 
 
WYZ276-241015-  
CODY FOOTHILLS-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-3500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....57-62.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....WEST AROUND 10 MPH UNTIL 1200, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 1200, THEN SOUTH.  
MIXING HEIGHT.......1500-3500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
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......5 DEGREES WARMER.  
MAX HUMIDITY........51-57 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
COLDER. MOSTLY CLOUDY. SLIGHT CHANCE OF  
SHOWERS IN THE EVENING, THEN CHANCE OF SHOWERS AND SNOW SHOWERS  
AFTER MIDNIGHT. LOWS IN THE UPPER 20S. NORTHWEST WINDS AROUND  
15 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY WITH CHANCE OF SNOW  
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. NORTH WINDS  
AROUND 10 MPH.    
FRIDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE  
LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.    
MONDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW  
IN THE MORNING. HIGHS IN THE UPPER 40S.  
 

 
 
WYZ287-241015-  
OWL CREEK MOUNTAINS-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2100, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 2100, THEN WEST.  
MIXING HEIGHT.......3000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....WEST AROUND 10 MPH UNTIL 1200, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1200, THEN SOUTH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....34-39.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........56-62 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 20S. NORTHWEST WINDS  
AROUND 15 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY WITH CHANCE OF SNOW  
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. NORTH WINDS  
AROUND 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS  
IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S.    
MONDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW  
IN THE MORNING. HIGHS IN THE MID 40S.  
 

 
 
WYZ286-241015-  
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH  
UNTIL 2400, THEN 15 MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000-2500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH UNTIL 0300, THEN AROUND 20 MPH WITH GUSTS  
TO AROUND 30 MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 0300, THEN AROUND 25  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 0300, THEN AROUND 25  
MPH.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH. GUSTS UP TO 40  
MPH UNTIL 1200, THEN 45 MPH.  
RIDGE TOP WINDS.....WEST AROUND 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
SNOW SHOWERS IN THE EVENING, THEN CHANCE OF SNOW SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 20S. NORTHWEST WINDS AROUND 20 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY WITH CHANCE OF SNOW  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 30S. NORTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS  
IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
UPPER 40S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 40S.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE MORNING.  
HIGHS IN THE LOWER 40S.  
 

 
 
WYZ140-241015-  
YELLOWSTONE NATIONAL PARK-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....22-27.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........76-82 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
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 2400, THEN SOUTHWEST 5  
TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......2000-2500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....47-52.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. 10 MPH AFTER 1200.  
RIDGE TOP WINDS.....WEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 15  
MPH UNTIL 1200, THEN 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
SNOW SHOWERS IN THE EVENING, THEN CHANCE OF SNOW SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 20S. WINDS GENERALLY LESS THAN  
10 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW  
SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. WINDS  
GENERALLY LESS THAN 10 MPH.    
FRIDAY THROUGH SATURDAY
 
MOSTLY CLEAR. LOWS 20 TO 25. HIGHS  
44 TO 49. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID  
40S.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 40S.  
 

 
 
WYZ415-241015-  
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....21-26.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........77-83 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......500-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....47-52.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
NORTHWEST AROUND 10 MPH UNTIL 1500, THEN  
UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTH 5 TO 10 MPH UNTIL 2400. SOUTHEAST AFTER  
0300.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2400. SOUTHEAST AFTER  
0300.  
MIXING HEIGHT.......1000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....49-54.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
AFTER MIDNIGHT. LOWS IN THE MID 20S. WINDS GENERALLY LESS THAN  
10 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
FRIDAY THROUGH SATURDAY
 
MOSTLY CLEAR. LOWS 21 TO 26. HIGHS  
44 TO 49. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER  
40S.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S.  
 

 
 
WYZ416-241015-  
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....22-27.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........73-79 PERCENT.  
24 HR TREND......22 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN NORTH  
AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
MIXING HEIGHT.......500-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN  
UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......0-1500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST  
AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY THROUGH THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS 44 TO 49. NORTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY THROUGH SATURDAY
 
MOSTLY CLEAR. LOWS 20 TO 25. HIGHS  
43 TO 48. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS  
44 TO 49.  
 

 
 
WYZ288-241015-  
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........68-74 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY UNTIL  
2400, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL  
0300, THEN WEST AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000-2500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN  
UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
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......5 DEGREES WARMER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
15 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS UNTIL  
1200, THEN AROUND 20 MPH WITH GUSTS TO AROUND  
30 MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS AND  
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 20S. NORTHWEST WINDS  
AROUND 15 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
LOWS IN THE MID 20S. HIGHS IN THE LOWER 30S. NORTH WINDS AROUND  
10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER  
40S. NORTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
UPPER 40S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS AROUND 50.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE AFTERNOON.  
HIGHS IN THE LOWER 40S.  
 

 
 
WYZ414-241015-  
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN AROUND  
10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......500-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 3000-3500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0300, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 0300, THEN WEST.  
MIXING HEIGHT.......1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST  
10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY THROUGH FRIDAY
 
MOSTLY CLEAR. LOWS 23 TO 28. HIGHS  
48 TO 53. NORTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
CLEAR. LOWS IN THE MID 20S. HIGHS IN THE LOWER 50S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S.  
HIGHS 47 TO 52.  
 

 
 
WYZ278-241015-  
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....22-27.  
24 HR TREND......8 DEGREES COOLER.  
MAX HUMIDITY........77-83 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 2100. DOWNSLOPE/DOWNVALLEY  
4-7 MPH AFTER 2400.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN AROUND  
10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH UNTIL 2100, THEN 10 TO  
15 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....55-60.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN  
UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....WEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 10  
MPH UNTIL 2100, THEN 10 MPH AFTER 2400 UNTIL  
0300.  
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....59-64.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
MIXING HEIGHT.......1500-3000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
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 20S. NORTHWEST  
WINDS AROUND 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN  
THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 18. HIGHS IN THE LOWER 50S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE MID 50S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS  
52 TO 57.  
 

 
 
WYZ277-241015-  
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......9 DEGREES COOLER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 2100. DOWNSLOPE/DOWNVALLEY  
4-7 MPH AFTER 2400.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN AROUND  
10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH UNTIL 2100, THEN 10 TO  
15 MPH.  
MIXING HEIGHT.......2000-2500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....55-60.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH.  
RIDGE TOP WINDS.....WEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 3000-3500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 10  
MPH UNTIL 2400.  
RIDGE TOP WINDS.....WEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....60-65.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 15 MPH WITH GUSTS TO AROUND 25 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1200, THEN AROUND 20  
MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 3000-3500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
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 20S. WEST  
WINDS AROUND 10 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. LOWS 23 TO 28. HIGHS  
49 TO 54. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID 50S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.  
 

 
 
WYZ279-241015-  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......8 DEGREES COOLER.  
MAX HUMIDITY........68-74 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 25 MPH UNTIL 2100, THEN WEST  
10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 2400, THEN WEST 10  
TO 15 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....54-59.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST  
AROUND 10 MPH UNTIL 1500, THEN UPSLOPE/UPVALLEY  
5-9 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
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......3 DEGREES WARMER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 15 MPH WITH  
GUSTS TO AROUND 25 MPH UNTIL 1200, THEN WEST 20  
TO 25 MPH WITH GUSTS TO AROUND 35 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST  
AROUND 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200, THEN WEST  
AROUND 30 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 3000-3500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. WEST WINDS  
AROUND 10 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE  
MID 40S. NORTH WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE LOWER  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S.  
WEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S.  
HIGHS 53 TO 58.  
 

 
 
WYZ289-241015-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY UNTIL  
2400, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN WEST  
AROUND 10 MPH.  
MIXING HEIGHT.......2500-3000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 3500-4000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....62-67.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS  
TO AROUND 35 MPH UNTIL 1200, THEN WEST AROUND  
25 MPH WITH GUSTS TO AROUND 40 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200, THEN WEST 25  
TO 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 0900, THEN AROUND  
30 MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 20S. WEST WINDS AROUND  
15 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. NORTHEAST WINDS  
AROUND 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS  
IN THE UPPER 40S. WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID  
50S. WEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S.  
HIGHS 50 TO 55.  
 

 
 
WYZ300-241015-  
CASPER MOUNTAIN-  
236 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........64-70 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH UNTIL 2100, THEN AROUND 10 MPH  
AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN WEST 10  
TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 2400, THEN WEST  
AROUND 15 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 3500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......10 DEGREES WARMER.  
MAX HUMIDITY........53-59 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....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......10 DEGREES WARMER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP  
TO 30 MPH UNTIL 0900, THEN 40 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 0900, THEN AROUND  
30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1200, THEN 30 TO  
35 MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS AND  
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 20S. NORTHWEST WINDS  
AROUND 15 MPH.    
THURSDAY
 
MUCH COLDER. PARTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
LOWS IN THE MID 20S. HIGHS AROUND 30. NORTH WINDS AROUND 10 MPH.    
FRIDAY
 
NOT AS COOL. PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN  
THE LOWER 40S. WEST WINDS AROUND 10 MPH.    
SATURDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN  
THE LOWER 50S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 40S.  
 

 
 
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