138  
FNUS55 KRIW 312039  
FWFRIW  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
239 PM MDT TUE OCT 31 2017  
   
DISCUSSION
 
 
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER  
ZONES 140...414...415...AND 416)...  
 
TEMPERATURES WARMER WHEN COMPARED TO THOSE ON MONDAY WITH HIGHS  
RANGING FROM THE MIDDLE 20S TO THE MIDDLE 40S IN THE MOUNTAINS...THE  
MID AND UPPER 40S IN THE VALLEYS. MINIMUM RH VALUES WILL RANGE FROM  
25 TO 35 PERCENT AT VALLEY LOCATIONS...LOWER 30S TO 45 PERCENT IN  
THE MOUNTAINS. WINDS WEST TO SOUTHWEST 5 TO 15 MPH WITH GUSTS TO 20  
MPH POSSIBLE. INCREASING CHANCES FOR SHOWERS, FROM NORTH TO SOUTH,  
TONIGHT THROUGH WEDNESDAY/THURSDAY. WEDNESDAY, TEMPERATURES SLIGHTLY  
WARMER WITH HUMIDITY LEVELS HIGHER FOR MOST LOCATIONS WHEN COMPARED  
TO THOSE OF TODAY. WINDS WEST TO SOUTHWEST 10 TO 35 MPH WITH HIGHER  
GUSTS PROBABLE. PRECIPITATION CHANCES CONTINUE TO INCREASE FROM  
NORTH TO SOUTH WEDNESDAY AND THURSDAY WITH SIGNIFICANT AREAS OF  
RAIN OR SNOW POSSIBLE CONTINUING THROUGH THE WEEKEND.  
 
...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES  
277...278...279...AND 289)...  
 
TEMPERATURES WARMER FOR ALL LOCATIONS COMPARED TO THOSE ON MONDAY  
WITH HIGHS RANGING INTO THE 40S AND LOWER 50S. MINIMUM RH VALUES  
WILL RANGE FROM 17 TO 25 PERCENT. WINDS WEST TO SOUTHWEST 10 TO 25  
MPH WITH A FEW GUSTS TO 30 MPH. NO PRECIPITATION EXPECTED.  
WEDNESDAY, TEMPERATURES WARMER ALL ZONES ONCE AGAIN...WITH HUMIDITY  
LEVELS SIMILAR TO SLIGHTLY HIGHER FOR ALL LOCATIONS WHEN COMPARED TO  
THOSE OF TODAY. WINDS WEST TO SOUTHWEST 20 TO 40 MPH WITH GUSTS 45  
TO 60 MPH POSSIBLE. ISOLATED SHOWERS WEDNESDAY NIGHT.  
   
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
 
 
282...283...285...286...287...288...AND 289)...  
 
FUELS ARE CRITICAL FOR DISPATCH ZONES 283 AND 289. TEMPERATURES  
WARMER ACROSS ALL LOCATIONS WHEN COMPARED TO THOSE ON MONDAY WITH  
HIGHS RANGING FROM THE MID 20S TO MID 40S IN THE MOUNTAINS...THE  
UPPER 40S TO THE LOWER 50S ACROSS THE BASINS AND FOOTHILLS. MINIMUM  
RH VALUES WILL RANGE FROM THE 20S TO AROUND 35 PERCENT OVER THE  
LOWER ELEVATIONS...THE UPPER 30S TO NEAR 50 PERCENT AT MOUNTAIN  
LOCATIONS. WINDS SOUTH TO SOUTHWEST 5 TO 15 MPH WITH A FEW GUSTS TO  
20 MPH ACROSS THE BASINS...WEST TO SOUTHWEST 10 TO 30 MPH WITH GUSTS  
TO 35 MPH IN THE MOUNTAINS AND ACROSS ZONE 289. STRONG HIGH WIND  
EXPECTED TONIGHT INTO WEDNESDAY OVER THE ABSAROKA MOUNTAINS, WIND  
RIVER MOUNTAINS AND CODY FOOTHILLS. INCREASING CHANCES FOR RAIN AND  
SNOW ACROSS THE NORTHERN HALF OR THE FORECAST AREA TONIGHT THROUGH  
WEDNESDAY NIGHT WITH HEAVY AREAS OF SNOW POSSIBLE IN THE MOUNTAINS.  
WEDNESDAY, TEMPERATURES WARMER FOR MOST LOCATIONS EXCEPT NEAR THE  
BORDER WITH MONTANA. HUMIDITY LEVELS SIMILAR OR INCREASING FOR MOST  
LOCATIONS WHEN COMPARED TO THOSE OF TODAY. WINDS BECOMING NORTH TO  
NORTHWEST 10 TO 35 MPH ACROSS THE CENTRAL BASINS AND FOOTHILLS WITH  
GUSTS 40 TO 60 MPH...WEST 20 TO 45 MPH ACROSS ZONE 289 AND IN THE  
MOUNTAINS WITH GUSTS 55 TO 60 MPH POSSIBLE. INCREASING RAIN AND/OR  
SNOW CHANCES THROUGH THE DAY AND NIGHT WEDNESDAY...DECREASING LATER  
THURSDAY MORNING.  
   
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281
 
 
285...289...AND 300)...  
 
FUELS ARE CRITICAL FOR ALL LOW ELEVATION DISPATCH ZONES.  
TEMPERATURES WARMER ALL LOCATIONS WHEN COMPARED TO THOSE ON MONDAY  
WITH HIGHS RANGING FROM THE UPPER 20S TO MID 40S IN THE  
MOUNTAINS...AND THE MID 40S TO LOWER 50S ACROSS THE LOWER  
ELEVATIONS. MINIMUM RH VALUES WILL RANGE FROM THE UPPER TEENS TO  
NEAR 30 PERCENT ACROSS THE LOWER ELEVATIONS...THE UPPER 20S TO  
AROUND 35 PERCENT OVER IN THE MOUNTAINS. WINDS SOUTHWEST 10 TO 25  
MPH WITH A FEW GUSTS TO 30 MPH POSSIBLE ACROSS THE SOUTHERN  
ZONES...SOUTH TO SOUTHWEST 10 TO 15 MPH WITH A FEW GUSTS TO 20 MPH  
OVER THE NORTHERN ZONES AND MOUNTAINS. INCREASING CHANCES FOR  
SHOWERS ACROSS THE NORTHERN HALF OR THE FORECAST AREA TONIGHT  
THROUGH WEDNESDAY AND WEDNESDAY NIGHT. WEDNESDAY, TEMPERATURES  
WARMER ALL LOCATIONS EXCEPT NORTHERN JOHNSON COUNTY WITH SIMILAR TO  
HIGHER HUMIDITY LEVELS WHEN COMPARED TO THOSE OF TODAY. WINDS WEST  
TO NORTHWEST 10 TO 35 MPH WITH A GUSTS 40 TO 60 MPH POSSIBLE IN THE  
AFTERNOON AND EVENING ACROSS THE SOUTHERN ZONES. INCREASING RAIN  
AND/OR SNOW CHANCES THROUGH THE DAY AND NIGHT WEDNESDAY...DECREASING  
LATER THURSDAY MORNING. HEAVY AREAS OF SNOW POSSIBLE IN THE  
BIGHORN MOUNTAINS.  
   
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
 
   
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT
 
 
WYZ280-011015-  
NATRONA COUNTY/CASPER BLM-  
239 PM MDT TUE OCT 31 2017  
   
..HIGH WIND WARNING IN EFFECT FROM 6 AM TO 9 PM MDT WEDNESDAY
 
 
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......17 DEGREES WARMER.  
MAX HUMIDITY........51-57 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 35 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......500-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN  
EARLY IN THE AFTERNOON. CHANCE OF RAIN LATE IN  
THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 30 MPH WITH GUSTS TO  
AROUND 45 MPH UNTIL 1500, THEN NORTHWEST AROUND  
20 MPH WITH GUSTS TO AROUND 35 MPH.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 1600, THEN NORTHWEST  
AROUND 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH UNTIL 1700, THEN NORTHWEST  
AROUND 25 MPH.  
MIXING HEIGHT.......500-2000 FT AGL UNTIL 1100, THEN 2500-4000 FT  
AGL UNTIL 1400, THEN 4000-5500 FT AGL UNTIL  
1700, THEN 2500-3000 FT AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 1700, THEN FAIR TO  
GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING.  
CHANCE OF SNOW. CHANCE OF PRECIPITATION 50  
PERCENT.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......37 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH  
UNTIL 2100, THEN 15 MPH.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH UNTIL 2100. NORTHEAST AFTER  
0200.  
LAL.................1.  
CHC OF WETTING RAIN.22 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2000, THEN  
NORTHEAST 10 TO 15 MPH.  
MIXING HEIGHT.......1000-1500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING.  
SLIGHT CHANCE OF RAIN THROUGH THE DAY. SLIGHT  
CHANCE OF SNOW IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....44-49.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........55-61 PERCENT.  
24 HR TREND......25 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTH 5 TO 10 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.7 PERCENT.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 15  
TO 20 MPH UNTIL 1600.  
MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1300, THEN 3500-5500 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....GOOD UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY THROUGH SATURDAY
 
PARTLY CLOUDY. LOWS 32 TO 37. HIGHS  
55 TO 60. SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
COOLER. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. NORTHWEST  
WINDS AROUND 10 MPH.    
MONDAY THROUGH TUESDAY
 
PARTLY CLOUDY. LOWS 24 TO 29. HIGHS  
42 TO 47.  
 

 
 
WYZ283-011015-  
UPPER WIND RIVER BASIN/WIND RIVER BASIN-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....29-34.  
24 HR TREND......14 DEGREES WARMER.  
MAX HUMIDITY........48-54 PERCENT.  
24 HR TREND......23 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......BREEZY. WEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH UNTIL 0300, THEN SOUTHWEST AROUND  
25 MPH WITH GUSTS TO AROUND 40 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.......500-1500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. CHANCE  
OF RAIN 20 PERCENT.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH WITH GUSTS TO  
AROUND 45 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1300, THEN 35 TO 40  
MPH.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1200, THEN 2500-5000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF RAIN IN THE EVENING. CHANCE OF SNOW  
IN THE LATE EVENING AND OVERNIGHT. SLIGHT  
CHANCE OF RAIN AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....29-34.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........73-79 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH UNTIL 2400, THEN NORTH AROUND 10  
MPH WITH GUSTS TO AROUND 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2000, THEN EAST 5  
TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH UNTIL 2000, THEN NORTH  
15 TO 20 MPH UNTIL 0100, THEN EAST 5 TO 10 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL UNTIL 2100, THEN 1000-2000 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW  
IN THE MORNING. SLIGHT CHANCE OF RAIN EARLY IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 20  
PERCENT.  
MAX TEMPERATURE.....46-51.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1100. WEST AROUND 25  
MPH AFTER 1500 UNTIL 1600.  
MIXING HEIGHT.......1500-3000 FT AGL UNTIL 1100, THEN 3500-5500 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....GOOD UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST  
WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE MID  
40S.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.  
 

 
 
WYZ285-011015-  
SOUTH BIGHORN MOUNTAINS-  
239 PM MDT TUE OCT 31 2017  
 
...WINTER STORM WARNING IN EFFECT FROM 6 AM WEDNESDAY TO 6 PM MDT  
THURSDAY...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
SLIGHT CHANCE OF SNOW UNTIL EARLY MORNING.  
CHANCE OF SNOW LATE IN THE NIGHT. CHANCE OF  
SNOW 50 PERCENT.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......15 DEGREES WARMER.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND  
30 MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH UNTIL 0300, THEN AROUND 25  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH.  
MIXING HEIGHT.......500-1500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SNOW THROUGH THE DAY. SLIGHT CHANCE  
OF RAIN LATE IN THE MORNING, THEN CHANCE OF  
RAIN IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT.  
MAX TEMPERATURE.....43-48.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 1400, THEN NORTHWEST 15  
TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN 20 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1600, THEN NORTHWEST  
AROUND 20 MPH.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1300, THEN 2000-4000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN EARLY IN THE  
EVENING. SNOW LIKELY THROUGH THE NIGHT. LITTLE  
OR NO SNOW ACCUMULATION. CHANCE OF  
PRECIPITATION 70 PERCENT.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........85-91 PERCENT.  
24 HR TREND......28 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH UNTIL 0300, THEN DOWNSLOPE/DOWNVALLEY  
4-7 MPH.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH UNTIL 0300, THEN AROUND 5  
MPH UNTIL 0500, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.40 PERCENT UNTIL 2400, THEN 50 PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH UNTIL 0500, THEN SOUTHEAST.  
MIXING HEIGHT.......1000-1500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. CHANCE OF SNOW THROUGH  
THE DAY. SLIGHT CHANCE OF RAIN IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........62-68 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1500, THEN AROUND  
15 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.20 PERCENT UNTIL 1200, THEN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1400, THEN AROUND  
20 MPH UNTIL 1600.  
MIXING HEIGHT.......1500-3500 FT AGL UNTIL 1400, THEN 3500-4000 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY THROUGH FRIDAY
 
MOSTLY CLOUDY. LOWS AROUND 30. HIGHS  
40 TO 45. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS AROUND 50. SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
COLDER. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 30S. WEST  
WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID  
30S.    
TUESDAY
 
MOSTLY SUNNY. HIGHS AROUND 40.  
 

 
 
WYZ281-011015-  
JOHNSON COUNTY/CASPER BLM-  
239 PM MDT TUE OCT 31 2017  
 
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH  
THURSDAY AFTERNOON...  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. CHANCE  
OF PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......15 DEGREES WARMER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 2100, THEN SOUTHWEST 10  
TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.7 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING.  
CHANCE OF RAIN THROUGH THE DAY. SNOW LIKELY IN  
THE AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF  
PRECIPITATION 70 PERCENT.  
MAX TEMPERATURE.....43-48.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......25 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 1200, THEN  
NORTHWEST. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200, THEN 25 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1100, THEN 2500-4000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY. RAIN LIKELY EARLY IN THE EVENING. SNOW  
LIKELY THROUGH THE NIGHT. SNOW ACCUMULATION OF  
1 TO 0 INCHES. CHANCE OF PRECIPITATION 70  
PERCENT.  
MIN TEMPERATURE.....22-27.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........93-99 PERCENT.  
24 HR TREND......31 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH UNTIL 0300, THEN DOWNSLOPE/DOWNVALLEY  
4-7 MPH.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.40 PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,  
THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON.  
SLIGHT CHANCE OF RAIN LATE IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....34-39.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........68-74 PERCENT.  
24 HR TREND......22 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHEAST AROUND 5 MPH UNTIL 0800, THEN SOUTH  
UNTIL 1500, THEN AROUND 15 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.20 PERCENT UNTIL 1200, THEN 5 PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH UNTIL 0800, THEN SOUTH  
UNTIL 1400, THEN AROUND 15 MPH UNTIL 1600.  
MIXING HEIGHT.......1500-3500 FT AGL UNTIL 1600.  
SMOKE DISPERSAL.....POOR UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. WINDS  
GENERALLY LESS THAN 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY. LOWS IN THE UPPER 20S.  
HIGHS IN THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
COLDER. MOSTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE  
LOWER 40S. NORTH WINDS AROUND 10 MPH.    
MONDAY THROUGH TUESDAY
 
PARTLY CLOUDY. LOWS 22 TO 27. HIGHS  
42 TO 47.  
 

 
 
WYZ282-011015-  
SOUTH BIG HORN BASIN/WORLAND BLM-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF SNOW  
IN THE LATE EVENING AND OVERNIGHT. CHANCE OF  
SNOW 20 PERCENT.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......13 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300, THEN  
SOUTH AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHEAST 5 TO 10 MPH UNTIL 2000, THEN  
SOUTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.  
MIXING HEIGHT.......500-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN IN THE  
MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....43-48.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 1200, THEN  
NORTH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 15 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1100, THEN NORTH.  
MIXING HEIGHT.......500-2000 FT AGL UNTIL 1200, THEN 2500-3500 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN IN THE EVENING. SNOW  
LIKELY THROUGH THE NIGHT. SNOW ACCUMULATION OF  
1 TO 0 INCHES. CHANCE OF PRECIPITATION 70  
PERCENT.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......24 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH AND GUSTY UNTIL 2100,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....NORTHEAST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.30 PERCENT.  
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. CHANCE OF SNOW IN THE  
MORNING, THEN SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN EARLY IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........61-67 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200, THEN 5 PERCENT.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1600.  
MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1400, THEN 3500-4500 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....POOR UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY THROUGH FRIDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S.  
HIGHS 43 TO 48. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE  
MID 50S. SOUTH WINDS AROUND 10 MPH.    
SUNDAY
 
COLDER. MOSTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE MID  
40S. WINDS GENERALLY LESS THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
LOWER 40S.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.  
 

 
 
WYZ275-011015-  
NORTH BIG HORN BASIN/WORLAND BLM-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
EVENING. CHANCE OF SNOW THROUGH THE NIGHT.  
CHANCE OF RAIN LATE IN THE EVENING. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......14 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
15 MPH.  
RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.12 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......500-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING.  
RAIN LIKELY THROUGH THE DAY. SNOW LIKELY IN THE  
AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF  
PRECIPITATION 70 PERCENT.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 1200, THEN  
NORTHWEST. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH UNTIL 1300, THEN AROUND  
5 MPH UNTIL 1400, THEN NORTHEAST UNTIL 1700,  
THEN EAST.  
LAL.................1.  
CHC OF WETTING RAIN.25 PERCENT UNTIL 1200, THEN 35 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1400, THEN  
NORTHWEST.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1400, THEN 2000-3000 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SNOW AND RAIN LIKELY IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT.  
SNOW ACCUMULATION OF 1 TO 0 INCHES. CHANCE OF  
PRECIPITATION 70 PERCENT.  
MIN TEMPERATURE.....21-26.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........89-95 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY UNTIL  
0300, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....SOUTHEAST AROUND 5 MPH UNTIL 1900, THEN  
NORTHWEST UNTIL 2300, THEN NORTH 10 TO 15 MPH  
UNTIL 0400, THEN NORTHEAST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.35 PERCENT UNTIL 2400, THEN 25 PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH UNTIL 0400, THEN AROUND 5  
MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW THROUGH THE DAY.  
SLIGHT CHANCE OF RAIN EARLY IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....33-38.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........48-54 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN SOUTH  
AROUND 10 MPH.  
RIDGE TOP WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.20 PERCENT UNTIL 1200, THEN 10 PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH UNTIL 0800, THEN SOUTH  
UNTIL 1400, THEN AROUND 15 MPH UNTIL 1600.  
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1300, THEN 3000-3500 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....POOR UNTIL 1600.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY THROUGH FRIDAY
 
CLOUDY. LOWS IN THE UPPER 20S. HIGHS  
40 TO 45. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 50S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY
 
COLDER. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WINDS GENERALLY  
LESS THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS AROUND 40.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.  
 

 
 
WYZ276-011015-  
CODY FOOTHILLS-  
239 PM MDT TUE OCT 31 2017  
 
...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT  
WEDNESDAY...  
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH  
THURSDAY AFTERNOON...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
EVENING. SLIGHT CHANCE OF SNOW THROUGH THE  
NIGHT. CHANCE OF RAIN AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......16 DEGREES WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 30 MPH WITH GUSTS TO  
AROUND 50 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 0200, THEN SOUTHWEST  
AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH UNTIL 0100, THEN 20 TO 25  
MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. CHANCE  
OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....41-46.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 35 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 1500, THEN SOUTHWEST  
AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200, THEN 30 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1600, THEN AROUND 15  
MPH.  
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1400, THEN 2000-3500 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY. RAIN LIKELY EARLY IN THE EVENING. SNOW  
LIKELY THROUGH THE NIGHT. SNOW ACCUMULATION OF  
2 TO 0 INCHES. CHANCE OF PRECIPITATION 70  
PERCENT.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......9 DEGREES COOLER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......34 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH AND GUSTY UNTIL 0300,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 2000, THEN NORTH 10  
TO 15 MPH UNTIL 0300, THEN AROUND 5 MPH UNTIL  
0500, THEN LIGHT AND VARIABLE.  
LAL.................1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH UNTIL 0300, THEN AROUND 5  
MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE  
OF SNOW 50 PERCENT.  
MAX TEMPERATURE.....35-40.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........65-71 PERCENT.  
24 HR TREND......26 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN EAST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....LIGHT AND VARIABLE WINDS UNTIL 0700, THEN  
SOUTHEAST 5 TO 10 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.20 PERCENT UNTIL 1200, THEN 10 PERCENT.  
TRANSPORT WINDS.....EAST AROUND 5 MPH UNTIL 0700, THEN SOUTH UNTIL  
1400, THEN AROUND 15 MPH UNTIL 1600.  
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 3000-4500 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH ISOLATED SNOW SHOWERS. LOWS  
IN THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.    
FRIDAY THROUGH SATURDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND SNOW SHOWERS. LOWS 27 TO 32. HIGHS 45 TO 50.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
COLDER. PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. NORTHWEST WINDS  
AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 30S.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.  
 

 
 
WYZ287-011015-  
OWL CREEK MOUNTAINS-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW LATE IN  
THE NIGHT. CHANCE OF SNOW 20 PERCENT.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......14 DEGREES WARMER.  
MAX HUMIDITY........53-59 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND  
25 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 0200, THEN 10 TO 15  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......500-1500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
SLIGHT CHANCE OF RAIN IN THE MORNING. CHANCE OF  
SNOW THROUGH THE DAY. CHANCE OF RAIN IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....46-51.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 20 MPH. GUSTS UP TO 30  
MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1400, THEN NORTH 10 TO  
15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 15 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1100. NORTHWEST 15 TO  
20 MPH AFTER 1600.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1300, THEN 2500-3500 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN EARLY IN THE  
EVENING. SNOW LIKELY THROUGH THE NIGHT. LITTLE  
OR NO SNOW ACCUMULATION. CHANCE OF  
PRECIPITATION 70 PERCENT.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......32 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH UNTIL 0300, THEN DOWNSLOPE/DOWNVALLEY  
4-7 MPH.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH UNTIL 0300, THEN AROUND 5  
MPH UNTIL 0500, THEN EAST.  
LAL.................1.  
CHC OF WETTING RAIN.35 PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH UNTIL 0300, THEN AROUND 5  
MPH UNTIL 0500, THEN EAST.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. CHANCE OF SNOW IN THE  
MORNING, THEN SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN EARLY IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........58-64 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH UNTIL 1200, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN  
NORTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTH 5 TO 10 MPH UNTIL 1500, THEN SOUTHWEST  
AROUND 15 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.20 PERCENT UNTIL 1200, THEN 5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN 15 TO 20  
MPH UNTIL 1600.  
MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1400, THEN 3500-4500 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY THROUGH FRIDAY
 
MOSTLY CLOUDY. LOWS AROUND 30. HIGHS  
41 TO 46. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW.  
LOWS IN THE LOWER 30S. HIGHS AROUND 50. SOUTHWEST WINDS AROUND  
10 MPH.    
SUNDAY
 
COLDER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW  
SHOWERS. LOWS AROUND 30. HIGHS AROUND 40. WEST WINDS AROUND  
10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE UPPER  
30S.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.  
 

 
 
WYZ286-011015-  
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-  
239 PM MDT TUE OCT 31 2017  
 
...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT  
WEDNESDAY...  
...WINTER STORM WARNING IN EFFECT FROM 6 AM WEDNESDAY TO 6 PM MDT  
THURSDAY...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SNOW THROUGH THE NIGHT. CHANCE OF  
SNOW 50 PERCENT.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......13 DEGREES WARMER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......18 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......VERY WINDY. WEST WINDS 35 TO 40 MPH. GUSTS UP  
TO 55 MPH UNTIL 2400, THEN 60 MPH.  
RIDGE TOP WINDS.....WEST 45 TO 50 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT UNTIL 2400, THEN 25 PERCENT.  
TRANSPORT WINDS.....WEST 45 TO 50 MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,  
THEN SNOW IN THE AFTERNOON. NO SNOW  
ACCUMULATION. CHANCE OF SNOW 90 PERCENT.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........48-54 PERCENT.  
24 HR TREND......22 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 35 MPH WITH GUSTS TO  
AROUND 50 MPH UNTIL 0900, THEN 20 TO 25 MPH  
WITH GUSTS TO AROUND 40 MPH.  
RIDGE TOP WINDS.....WEST 45 TO 50 MPH UNTIL 1100. AROUND 30 MPH  
AFTER 1500.  
LAL.................1.  
CHC OF WETTING RAIN.40 PERCENT UNTIL 1200, THEN 55 PERCENT.  
TRANSPORT WINDS.....WEST 45 TO 50 MPH UNTIL 1100, THEN 35 TO 40  
MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY. SNOW. SNOW ACCUMULATION OF 1 TO 0  
INCHES. CHANCE OF SNOW 90 PERCENT.  
MIN TEMPERATURE.....21-26.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........85-91 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300, THEN  
NORTHWEST AROUND 10 MPH.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 2000. 10 TO 15 MPH  
AFTER 2300.  
LAL.................1.  
CHC OF WETTING RAIN.70 PERCENT UNTIL 2400, THEN 60 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH UNTIL 2200, THEN WEST 15  
TO 20 MPH.  
MIXING HEIGHT.......2000-4000 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE OF SNOW  
50 PERCENT.  
MAX TEMPERATURE.....32-37.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........63-69 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 15 MPH  
UNTIL 1500, THEN 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.27 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1400, THEN AROUND  
30 MPH UNTIL 1600.  
MIXING HEIGHT.......2500-4500 FT AGL UNTIL 1600.  
SMOKE DISPERSAL.....GOOD UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
CLOUDY WITH SCATTERED SNOW SHOWERS. LOWS IN THE  
UPPER 20S. WEST WINDS AROUND 15 MPH.    
FRIDAY
 
CLOUDY WITH SCATTERED SNOW SHOWERS AND SHOWERS. LOWS IN  
THE UPPER 20S. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS AROUND  
10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS AROUND 30. HIGHS AROUND 40. SOUTHWEST WINDS AROUND  
15 MPH.    
SUNDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS  
IN THE MID 20S. HIGHS AROUND 30. WEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 18. HIGHS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 30S.  
 

 
 
WYZ140-011015-  
YELLOWSTONE NATIONAL PARK-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW, THEN SNOW LIKELY LATE  
IN THE NIGHT. NO SNOW ACCUMULATION. CHANCE OF  
SNOW 70 PERCENT.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......10 DEGREES WARMER.  
MAX HUMIDITY........79-85 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.20 PERCENT UNTIL 2400, THEN 30 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......1000-2000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........CLOUDY. SNOW LIKELY. LITTLE OR NO SNOW  
ACCUMULATION. CHANCE OF SNOW 70 PERCENT.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........56-62 PERCENT.  
24 HR TREND......25 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.42 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH.  
MIXING HEIGHT.......1000-3000 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY. SNOW LIKELY IN THE EVENING, THEN CHANCE  
OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION OF 1  
TO 0 INCHES. CHANCE OF SNOW 70 PERCENT.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........88-94 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY 4-7  
MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2100, THEN 10 TO 15 MPH  
UNTIL 2400, THEN SOUTHWEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.37 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 2100. SOUTHWEST 10 TO  
15 MPH AFTER 2400.  
MIXING HEIGHT.......2500-4000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE OF SNOW  
50 PERCENT.  
MAX TEMPERATURE.....33-38.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........69-75 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. 25 MPH AFTER  
1500.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN 20 TO  
25 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.22 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN 25 TO  
30 MPH UNTIL 1600.  
MIXING HEIGHT.......3000-4500 FT AGL UNTIL 1600.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
NUMEROUS SNOW SHOWERS. LOWS IN THE UPPER 20S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY THROUGH SATURDAY
 
CLOUDY WITH SNOW SHOWERS AND SHOWERS  
LIKELY. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS IN THE  
LOWER 20S. HIGHS AROUND 30. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 17. HIGHS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 30S.  
 

 
 
WYZ415-011015-  
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL EARLY  
MORNING. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT,  
THEN CHANCE OF SNOW LATE IN THE NIGHT. CHANCE  
OF SNOW 50 PERCENT.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......9 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 0400, THEN AROUND  
30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.7 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......1000-2500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL LATE  
AFTERNOON. CHANCE OF RAIN IN THE AFTERNOON.  
SNOW LIKELY LATE IN THE AFTERNOON. NO SNOW  
ACCUMULATION. CHANCE OF PRECIPITATION 70  
PERCENT.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........46-52 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200, THEN 30 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 1400, THEN WEST  
AROUND 40 MPH.  
MIXING HEIGHT.......1000-3500 FT AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY. SNOW AND RAIN LIKELY IN THE EVENING,  
THEN SNOW AFTER MIDNIGHT. NO SNOW ACCUMULATION.  
CHANCE OF PRECIPITATION 90 PERCENT.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........81-87 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH UNTIL 2400, THEN SOUTHWEST AROUND 10 MPH  
WITH GUSTS TO AROUND 15 MPH.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 2100. SOUTHWEST 5 TO 10  
MPH AFTER 2300.  
LAL.................1.  
CHC OF WETTING RAIN.50 PERCENT UNTIL 2400, THEN 65 PERCENT.  
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 2000. 15 TO 20 MPH  
AFTER 2300.  
MIXING HEIGHT.......2500-4500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN  
CHANCE OF SNOW IN THE AFTERNOON. CHANCE OF RAIN  
EARLY IN THE AFTERNOON. NO SNOW ACCUMULATION.  
CHANCE OF PRECIPITATION 70 PERCENT.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........61-67 PERCENT.  
24 HR TREND......18 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20  
MPH UNTIL 1500, THEN 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1300, THEN AROUND  
20 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.27 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1400, THEN AROUND  
30 MPH UNTIL 1600.  
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1600.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY THROUGH SATURDAY
 
CLOUDY WITH SNOW SHOWERS AND SHOWERS  
LIKELY. LOWS AROUND 30. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS IN THE  
MID 20S. HIGHS IN THE LOWER 30S. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS AND  
SHOWERS. LOWS AROUND 19. HIGHS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 30S.  
 

 
 
WYZ416-011015-  
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER  
MIDNIGHT. CHANCE OF SNOW LATE IN THE NIGHT.  
CHANCE OF SNOW 40 PERCENT.  
MIN TEMPERATURE.....21-26.  
24 HR TREND......9 DEGREES WARMER.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......BREEZY. WEST WINDS 15 TO 20 MPH UNTIL 0300,  
THEN AROUND 25 MPH. GUSTS UP TO 25 MPH UNTIL  
0300, THEN 35 MPH.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 0300, THEN AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SNOW THROUGH THE DAY. SLIGHT CHANCE  
OF RAIN LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....41-46.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH WITH GUSTS TO  
AROUND 45 MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN 20 PERCENT.  
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 1200, THEN 45 TO 50  
MPH.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1300, THEN 2500-4000 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN EARLY IN THE  
EVENING. SNOW LIKELY IN THE EVENING, THEN  
CHANCE OF SNOW AFTER MIDNIGHT. LITTLE OR NO  
SNOW ACCUMULATION. CHANCE OF PRECIPITATION 70  
PERCENT.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 30 MPH WITH GUSTS TO  
AROUND 45 MPH UNTIL 2100, THEN 15 TO 20 MPH  
WITH GUSTS TO AROUND 30 MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH UNTIL 2300, THEN 20 TO 25  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.35 PERCENT UNTIL 2400, THEN 45 PERCENT.  
TRANSPORT WINDS.....WEST 45 TO 50 MPH UNTIL 2200. AROUND 30 MPH  
AFTER 2400.  
MIXING HEIGHT.......2000-3500 FT AGL.  
SMOKE DISPERSAL.....GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW THROUGH THE DAY.  
CHANCE OF RAIN LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........53-59 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.30 PERCENT UNTIL 1200, THEN 20 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1200, THEN 35 TO 40 MPH  
UNTIL 1600.  
MIXING HEIGHT.......2500-5000 FT AGL UNTIL 1500, THEN 4500-5000 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
CLOUDY WITH SCATTERED SNOW SHOWERS. LOWS IN THE  
UPPER 20S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLOUDY WITH SCATTERED SNOW SHOWERS AND SHOWERS. LOWS IN  
THE UPPER 20S. HIGHS IN THE LOWER 40S. SOUTHWEST WINDS AROUND  
10 MPH.    
SATURDAY
 
CLOUDY WITH SNOW SHOWERS LIKELY AND CHANCE OF  
SHOWERS. LOWS IN THE UPPER 20S. HIGHS AROUND 40. SOUTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS IN THE  
LOWER 20S. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 18. HIGHS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 30S.  
 

 
 
WYZ288-011015-  
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-  
239 PM MDT TUE OCT 31 2017  
 
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM MDT  
WEDNESDAY...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER  
MIDNIGHT. CHANCE OF SNOW LATE IN THE NIGHT.  
CHANCE OF SNOW 50 PERCENT.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......13 DEGREES WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......VERY WINDY. WEST WINDS 25 TO 30 MPH WITH GUSTS  
TO AROUND 45 MPH UNTIL 2400, THEN 35 TO 40 MPH  
WITH GUSTS TO AROUND 65 MPH.  
RIDGE TOP WINDS.....WEST 40 TO 45 MPH UNTIL 2400. AROUND 60 MPH  
AFTER 0200.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 2400. AROUND 55 MPH  
AFTER 0500.  
MIXING HEIGHT.......500-2000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SNOW THROUGH THE DAY. CHANCE OF RAIN  
LATE IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT.  
MAX TEMPERATURE.....43-48.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......VERY WINDY. WEST WINDS 40 TO 45 MPH WITH GUSTS  
TO AROUND 65 MPH.  
RIDGE TOP WINDS.....WEST 55 TO 60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 15 PERCENT.  
TRANSPORT WINDS.....WEST 50 TO 55 MPH UNTIL 1300, THEN 60 TO 65  
MPH.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1400, THEN 2500-3000 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
EVENING. CHANCE OF SNOW THROUGH THE NIGHT.  
CHANCE OF PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 35 MPH WITH GUSTS TO  
AROUND 55 MPH UNTIL 2100. AROUND 15 MPH WITH  
GUSTS TO AROUND 25 MPH AFTER 2400.  
RIDGE TOP WINDS.....WEST 55 TO 60 MPH UNTIL 2100, THEN AROUND 50  
MPH UNTIL 2200, THEN 35 TO 40 MPH UNTIL 2400,  
THEN 20 TO 25 MPH UNTIL 0200, THEN 15 TO 20 MPH  
UNTIL 0500, THEN AROUND 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.27 PERCENT.  
TRANSPORT WINDS.....WEST 55 TO 60 MPH UNTIL 2100. AROUND 30 MPH  
AFTER 2400.  
MIXING HEIGHT.......2000-3500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. CHANCE OF SNOW THROUGH  
THE DAY. SLIGHT CHANCE OF RAIN EARLY IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........57-63 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.17 PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH UNTIL 1300, THEN 40 TO 45 MPH  
UNTIL 1600.  
MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1400, THEN 4000-4500 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY THROUGH FRIDAY
 
MOSTLY CLOUDY WITH SCATTERED SNOW  
SHOWERS AND ISOLATED SHOWERS. LOWS IN THE LOWER 30S. HIGHS 40 TO  
45. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. SOUTHWEST  
WINDS AROUND 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS IN THE  
MID 20S. HIGHS IN THE MID 30S. WEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 30S.  
 

 
 
WYZ414-011015-  
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH UNTIL 0300, THEN 40 TO 45  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 0400, THEN AROUND 35  
MPH.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW LATE IN THE MORNING.  
CHANCE OF SNOW IN THE AFTERNOON. SLIGHT CHANCE  
OF RAIN LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....43-48.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH WITH GUSTS TO  
AROUND 45 MPH.  
RIDGE TOP WINDS.....WEST 40 TO 45 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 1100. 50 TO 55 MPH  
AFTER 1500.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1300, THEN 2500-4000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 1500, THEN VERY GOOD TO  
EXCELLENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF RAIN UNTIL EARLY MORNING. CHANCE OF  
SNOW THROUGH THE NIGHT. CHANCE OF PRECIPITATION  
50 PERCENT.  
MIN TEMPERATURE.....27-32.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 30 MPH WITH GUSTS TO  
AROUND 45 MPH UNTIL 2100, THEN 15 TO 20 MPH  
WITH GUSTS TO AROUND 30 MPH.  
RIDGE TOP WINDS.....WEST 35 TO 40 MPH UNTIL 2200. AROUND 20 MPH  
AFTER 0400.  
LAL.................1.  
CHC OF WETTING RAIN.17 PERCENT.  
TRANSPORT WINDS.....WEST 45 TO 50 MPH UNTIL 2200. AROUND 30 MPH  
AFTER 2400.  
MIXING HEIGHT.......2000-4000 FT AGL.  
SMOKE DISPERSAL.....GOOD.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW THROUGH THE DAY.  
CHANCE OF RAIN LATE IN THE MORNING, THEN SLIGHT  
CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....41-46.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........54-60 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.12 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1200, THEN 35 TO 40 MPH  
UNTIL 1600.  
MIXING HEIGHT.......1500-3500 FT AGL UNTIL 1100, THEN 3500-6000 FT  
AGL UNTIL 1600.  
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN EXCELLENT UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY THROUGH FRIDAY
 
CLOUDY WITH SCATTERED SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS 43 TO 48. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
CLOUDY WITH SNOW SHOWERS AND RAIN LIKELY. LOWS IN THE  
UPPER 20S. HIGHS IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
CLOUDY WITH CHANCE OF SNOW SHOWERS AND SHOWERS. LOWS IN  
THE MID 20S. HIGHS IN THE MID 30S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SHOWERS.  
LOWS IN THE LOWER 20S. HIGHS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 40S.  
 

 
 
WYZ278-011015-  
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....20-25.  
24 HR TREND......11 DEGREES WARMER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 2100, THEN 15 TO 20  
MPH.  
MIXING HEIGHT.......1500-3500 FT AGL UNTIL 2100, THEN 500-1000 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF RAIN LATE IN THE AFTERNOON.  
CHANCE OF SNOW LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH UNTIL 1200, THEN 30 TO 35 MPH  
WITH GUSTS TO AROUND 50 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1300, THEN AROUND 30  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1100. 45 TO 50 MPH  
AFTER 1500.  
MIXING HEIGHT.......500-2000 FT AGL UNTIL 1200. 4000-5000 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1300. EXCELLENT AFTER 1500.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF RAIN IN THE EVENING. CHANCE OF SNOW  
THROUGH THE NIGHT. CHANCE OF PRECIPITATION 50  
PERCENT.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........77-83 PERCENT.  
24 HR TREND......18 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 30 MPH WITH GUSTS TO  
AROUND 45 MPH UNTIL 2100. AROUND 10 MPH WITH  
GUSTS TO AROUND 15 MPH AFTER 2400.  
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 2200. AROUND 10 MPH  
AFTER 0200.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 40 TO 45 MPH UNTIL 2000. AROUND 10 MPH  
AFTER 0300.  
MIXING HEIGHT.......3000-4500 FT AGL UNTIL 2000, THEN 1000-2500 FT  
AGL.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE  
OF RAIN. CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....47-52.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........37-43 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......WEST 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.....WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1100. 30 TO 35 MPH  
AFTER 1200 UNTIL 1600.  
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1100. 6000-7000 FT AGL  
AFTER 1400 UNTIL 1600.  
SMOKE DISPERSAL.....POOR UNTIL 1100. EXCELLENT AFTER 1200 UNTIL  
1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND  
ISOLATED SHOWERS IN THE EVENING, THEN ISOLATED SNOW SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 20S. WINDS GENERALLY LESS THAN  
10 MPH.    
FRIDAY THROUGH SATURDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS  
AND SNOW SHOWERS. LOWS 26 TO 31. HIGHS IN THE LOWER 50S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SLIGHT  
CHANCE OF SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.  
WEST WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS AROUND 18. HIGHS IN THE LOWER 40S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S.  
 

 
 
WYZ277-011015-  
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......11 DEGREES WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH.  
MIXING HEIGHT.......1500-3000 FT AGL UNTIL 2100, THEN 500-1000 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 25 MPH WITH GUSTS TO  
AROUND 40 MPH UNTIL 1200, THEN AROUND 35 MPH  
WITH GUSTS TO AROUND 50 MPH.  
RIDGE TOP WINDS.....WEST AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH UNTIL 1100. 45 TO 50 MPH  
AFTER 1400.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1200, THEN 3000-5000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. SLIGHT  
CHANCE OF SNOW EARLY IN THE MORNING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....27-32.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 30 MPH WITH GUSTS TO  
AROUND 45 MPH UNTIL 2100, THEN AROUND 15 MPH  
WITH GUSTS TO AROUND 25 MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH UNTIL 0100, THEN 20 TO 25  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 40 TO 45 MPH UNTIL 2000. 20 TO 25 MPH  
AFTER 2200.  
MIXING HEIGHT.......2500-4000 FT AGL UNTIL 2000, THEN 500-2000 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW  
IN THE MORNING. SLIGHT CHANCE OF RAIN LATE IN  
THE MORNING. CHANCE OF PRECIPITATION 20  
PERCENT.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH UNTIL 1200, THEN AROUND  
20 MPH. 30 MPH AFTER 1200.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1200, THEN AROUND 25  
MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1000. AROUND 35 MPH  
AFTER 1200 UNTIL 1600.  
MIXING HEIGHT.......500-1000 FT AGL UNTIL 1000. 5000-7000 FT AGL  
AFTER 1200 UNTIL 1600.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1100. EXCELLENT AFTER 1200  
UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY THROUGH FRIDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER 30S.  
HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW. LOWS  
AROUND 30. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 10 MPH.   
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND  
10 MPH.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S.  
 

 
 
WYZ279-011015-  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
239 PM MDT TUE OCT 31 2017  
   
..HIGH WIND WARNING IN EFFECT FROM 6 AM TO 9 PM MDT WEDNESDAY
 
 
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......13 DEGREES WARMER.  
MAX HUMIDITY........50-56 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......BREEZY. WEST WINDS AROUND 25 MPH WITH GUSTS TO  
AROUND 40 MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 2300, THEN AROUND 30  
MPH.  
MIXING HEIGHT.......2000-3500 FT AGL UNTIL 2100, THEN 500-1500 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....54-59.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WINDY. WEST WINDS 30 TO 35 MPH. GUSTS UP TO 50  
MPH UNTIL 1200, THEN 55 MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH UNTIL 1000. WEST AROUND  
50 MPH AFTER 1400.  
MIXING HEIGHT.......500-2000 FT AGL UNTIL 1100. 5000-6000 FT AGL  
AFTER 1400.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1100. EXCELLENT AFTER 1500.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 35 MPH WITH GUSTS TO  
AROUND 50 MPH UNTIL 2100, THEN SOUTHWEST 15 TO  
20 MPH WITH GUSTS TO AROUND 30 MPH.  
RIDGE TOP WINDS.....WEST 30 TO 35 MPH UNTIL 2400, THEN 20 TO 25  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 50 MPH UNTIL 1900. AROUND 20 MPH  
AFTER 0100.  
MIXING HEIGHT.......3500-5500 FT AGL UNTIL 2000, THEN 500-2500 FT  
AGL.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS  
TO AROUND 30 MPH UNTIL 1500, THEN WEST AROUND  
25 MPH WITH GUSTS TO AROUND 30 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN AROUND  
25 MPH UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1100, THEN 30 TO 35 MPH  
UNTIL 1600.  
MIXING HEIGHT.......500-1500 FT AGL UNTIL 1000. 5000-7500 FT AGL  
AFTER 1200 UNTIL 1600.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1100. EXCELLENT AFTER 1200  
UNTIL 1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND  
15 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 40S.  
 

 
 
WYZ289-011015-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
239 PM MDT TUE OCT 31 2017  
   
..HIGH WIND WARNING IN EFFECT FROM 6 AM TO 9 PM MDT WEDNESDAY
 
 
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......16 DEGREES WARMER.  
MAX HUMIDITY........51-57 PERCENT.  
24 HR TREND......22 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 25 TO 30 MPH. GUSTS UP  
TO 40 MPH UNTIL 0300, THEN 45 MPH.  
RIDGE TOP WINDS.....WEST 35 TO 40 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 2300. AROUND 40 MPH  
AFTER 0400.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 35 MPH WITH GUSTS TO  
AROUND 55 MPH.  
RIDGE TOP WINDS.....WEST AROUND 40 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 40 TO 45 MPH UNTIL 1200, THEN 50 TO 55  
MPH.  
MIXING HEIGHT.......500-2500 FT AGL UNTIL 1200. 3500-5000 FT AGL  
AFTER 1500.  
SMOKE DISPERSAL.....GOOD UNTIL 1300. EXCELLENT AFTER 1500.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
SLIGHT CHANCE OF RAIN IN THE EVENING. SLIGHT  
CHANCE OF SNOW LATE IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........73-79 PERCENT.  
24 HR TREND......25 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH WITH GUSTS TO  
AROUND 50 MPH UNTIL 2400, THEN AROUND 15 MPH  
WITH GUSTS TO AROUND 25 MPH.  
RIDGE TOP WINDS.....WEST 35 TO 40 MPH UNTIL 2300. NORTHWEST AROUND  
10 MPH AFTER 0300.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....WEST 45 TO 50 MPH UNTIL 2100. AROUND 10 MPH  
AFTER 0500.  
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 2100, THEN 1000-2000 FT  
AGL.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN POOR.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW  
IN THE MORNING. CHANCE OF SNOW 20 PERCENT.  
MAX TEMPERATURE.....49-54.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 25 MPH  
UNTIL 1200, THEN 30 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1000. AROUND 30  
MPH AFTER 1500 UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 0800. WEST AROUND  
40 MPH AFTER 1400 UNTIL 1600.  
MIXING HEIGHT.......1000-2500 FT AGL UNTIL 1000. 5000-6500 FT AGL  
AFTER 1200 UNTIL 1600.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1100, THEN EXCELLENT UNTIL  
1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 20 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. WEST WINDS  
AROUND 15 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S.  
 

 
 
WYZ300-011015-  
CASPER MOUNTAIN-  
239 PM MDT TUE OCT 31 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......18 DEGREES WARMER.  
MAX HUMIDITY........51-57 PERCENT.  
24 HR TREND......27 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 25 TO 30 MPH. GUSTS UP  
TO 40 MPH UNTIL 0300, THEN 45 MPH.  
RIDGE TOP WINDS.....WEST 45 TO 50 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 0500, THEN AROUND 45  
MPH.  
MIXING HEIGHT.......500-1500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN  
LATE IN THE AFTERNOON. CHANCE OF SNOW LATE IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 30  
PERCENT.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......VERY WINDY. WEST WINDS 35 TO 40 MPH WITH GUSTS  
TO AROUND 55 MPH UNTIL 1500, THEN AROUND 30 MPH  
WITH GUSTS TO AROUND 40 MPH.  
RIDGE TOP WINDS.....WEST 45 TO 50 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....WEST 45 TO 50 MPH UNTIL 1400, THEN 50 TO 55  
MPH.  
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1300, THEN 3000-4500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN VERY GOOD TO EXCELLENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING.  
CHANCE OF SNOW THROUGH THE NIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....27-32.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........80-86 PERCENT.  
24 HR TREND......31 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35  
MPH UNTIL 2400, THEN AROUND 10 MPH WITH GUSTS  
TO AROUND 15 MPH.  
RIDGE TOP WINDS.....WEST 40 TO 45 MPH UNTIL 2100, THEN AROUND 35  
MPH UNTIL 0100, THEN NORTHWEST AROUND 25 MPH  
UNTIL 0200, THEN NORTH 10 TO 15 MPH UNTIL 0400,  
THEN NORTHEAST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.12 PERCENT.  
TRANSPORT WINDS.....WEST 40 TO 45 MPH UNTIL 0100. AROUND 10 MPH  
AFTER 0500.  
MIXING HEIGHT.......1500-3000 FT AGL UNTIL 0300, THEN 1000-1500 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING.  
SLIGHT CHANCE OF RAIN THROUGH THE DAY. SLIGHT  
CHANCE OF SNOW IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 40 PERCENT.  
MAX TEMPERATURE.....45-50.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 15 MPH  
UNTIL 1200, THEN 25 MPH.  
RIDGE TOP WINDS.....SOUTH 5 TO 10 MPH UNTIL 1100. SOUTHWEST AROUND  
25 MPH AFTER 1500 UNTIL 1600.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1000. WEST AROUND  
40 MPH AFTER 1500 UNTIL 1600.  
MIXING HEIGHT.......1000-2500 FT AGL UNTIL 1000. 5500-6500 FT AGL  
AFTER 1400 UNTIL 1600.  
SMOKE DISPERSAL.....GOOD UNTIL 1300. EXCELLENT AFTER 1500 UNTIL  
1600.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE MID 30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 20 MPH.   
SUNDAY
 
COLDER. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 40S. WEST  
WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 40S.  
 

 
 
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