478  
FNUS55 KRIW 311055  
FWFRIW  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
455 AM MDT THU OCT 31 2019  
   
DISCUSSION
 
 
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER  
ZONES 140...414...415...AND 416)...  
 
LIGHT WEST WINDS WILL CONTINUE FOR THE REGION TODAY, WITH  
TEMPERATURES RECOVERING INTO THE UPPER 20S AND LOWER 30S. WINDS  
WILL TURN MORE FROM THE NORTHWEST TOMORROW AS A WEAK FRONT PASSES  
OFF TO THE NORTHEAST. THE FRONT WILL BRING A LOW CHANCE FOR SNOW  
FOR 140 TONIGHT INTO TOMORROW MORNING. TEMPERATURES WILL AGAIN  
REACH THE UPPER 20S AND LOWER 30S, WITH MOSTLY CLEAR SKIES. LIGHT  
WEST WINDS RETURN FOR THE WEEKEND, WITH TEMPERATURES REACHING THE  
40S DURING THE DAY.  
   
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
 
 
282...283...285...286...287...288...AND 289)...  
 
LIGHT SOUTH WINDS ARE EXPECTED ACROSS THE MAIN BASINS TODAY,  
GENERALLY AROUND 5 MPH THROUGH THE DAY. TEMPERATURES WILL RECOVER  
INTO THE LOWER 30S DURING THE AFTERNOON. A WEAK COLD FRONT RACES  
THROUGH TONIGHT, BRINGING A LOW CHANCE FOR SNOW FOR THE BIG HORN  
BASIN. TEMPERATURES WILL REMAIN IN THE LOW TO MID 30S FOR FRIDAY,  
BEFORE SLOW RECOVERY TO NEAR 40 FOR THE WEEKEND. ANOTHER CHANCE  
FOR SNOW IS POSSIBLE SUNDAY NIGHT INTO MONDAY FOR THE BIG HORN  
BASIN, AND ADJACENT MOUNTAIN RANGES.  
   
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
 
 
279...280...281...285...289...AND 300)...  
 
BREEZY SOUTHWEST WINDS WILL INCREASE FOR 279, 280, AND 289 THIS  
AFTERNOON, REACHING 20 TO 25 MPH. TEMPERATURES WILL BE IN THE 30S  
FOR MOST AREAS, WITH 281 POSSIBLY GETTING INTO THE LOWER 40S. A  
WEAK FRONT WILL MOVE THROUGH AREAS EAST OF THE DIVIDE TONIGHT INTO  
TOMORROW MORNING, BRINGING A LOW CHANCE FOR SNOW FOR 281, 285, AND  
300. TEMPERATURES WILL AGAIN REACH THE UPPER 30S AND LOW 40S FOR  
ALL AREAS OVER THE WEEKEND. ANOTHER COLD FRONT MOVES THROUGH  
SUNDAY NIGHT INTO MONDAY, BRINGING BREEZY NORTH WINDS AND A CHANCE  
FOR SNOW TO 280, 281, 285, AND 300.  
   
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
 
   
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT
 
 
WYZ280-312245-  
NATRONA COUNTY/CASPER BLM-  
INCLUDING THE CITIES OF CASPER AND MIDWEST  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY. PATCHY BLOWING SNOW UNTIL LATE  
AFTERNOON.  
MAX TEMPERATURE.....33-38.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........48-54 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
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.......400-1800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
EARLY IN THE EVENING. CHANCE OF SNOW SHOWERS IN  
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE  
OF SNOW SHOWERS EARLY IN THE MORNING. CHANCE OF  
SNOW 50 PERCENT.  
MIN TEMPERATURE.....16-21.  
24 HR TREND......15 DEGREES WARMER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 2400, THEN 10 TO 15  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 2400, THEN NORTHWEST 10  
TO 15 MPH.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. SLIGHT CHANCE OF SNOW  
SHOWERS IN THE MORNING. CHANCE OF SNOW 20  
PERCENT.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........62-68 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
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.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......800-1200 FT AGL UNTIL 1200, THEN 3200-3800 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR TO GOOD.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 11. SOUTHWEST WINDS AROUND  
10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN THE MID 30S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS IN THE  
LOWER 20S. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS AROUND 10 MPH.   
MONDAY
 
CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND 16.  
HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 16. HIGHS  
29 TO 34.  
 

 
 
WYZ283-312245-  
UPPER WIND RIVER BASIN/WIND RIVER BASIN-  
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY.  
MAX TEMPERATURE.....34-39.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-1200 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS. CHANCE OF SNOW  
20 PERCENT.  
MIN TEMPERATURE.....14-19.  
24 HR TREND......19 DEGREES WARMER.  
MAX HUMIDITY........77-83 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2100, THEN NORTH.  
MIXING HEIGHT.......400-800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE  
MORNING. CHANCE OF SNOW 20 PERCENT.  
MAX TEMPERATURE.....29-34.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........50-56 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN SOUTH  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1500, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 1500, THEN  
SOUTHWEST.  
MIXING HEIGHT.......600-800 FT AGL UNTIL 1200, THEN 3200-3800 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 12. WINDS GENERALLY  
LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS AROUND 40. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
IN THE MID 20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN  
10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS AND  
SHOWERS. LOWS AROUND 20. HIGHS IN THE UPPER 30S. WINDS GENERALLY  
LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 19. HIGHS  
34 TO 39.  
 

 
 
WYZ285-312245-  
SOUTH BIGHORN MOUNTAINS-  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY.  
MAX TEMPERATURE.....33-38.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 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.......400-1200 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. SLIGHT  
CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.  
PATCHY BLOWING SNOW AFTER MIDNIGHT. CHANCE OF  
SNOW 50 PERCENT.  
MIN TEMPERATURE.....14-19.  
24 HR TREND......10 DEGREES WARMER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......18 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST 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.....NORTHWEST 15 TO 20 MPH UNTIL 0300, THEN AROUND  
25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT UNTIL 2400, THEN 20 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 0300, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING. PATCHY BLOWING SNOW THROUGH THE DAY.  
CHANCE OF SNOW 20 PERCENT.  
MAX TEMPERATURE.....23-28.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........60-66 PERCENT.  
24 HR TREND......24 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......800-1200 FT AGL UNTIL 1200, THEN 2600-3200 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 11. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN THE LOWER  
30S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS IN THE  
LOWER 20S. HIGHS IN THE MID 30S. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND  
16. HIGHS IN THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 15. HIGHS  
25 TO 30.  
 

 
 
WYZ281-312245-  
JOHNSON COUNTY/CASPER BLM-  
INCLUDING THE CITIES OF BUFFALO AND KAYCEE  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY THEN BECOMING PARTLY  
CLOUDY THEN BECOMING MOSTLY CLOUDY.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-1800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE  
EVENING, THEN CHANCE OF SNOW SHOWERS IN THE  
LATE EVENING AND EARLY MORNING. SLIGHT CHANCE  
OF SNOW SHOWERS EARLY IN THE MORNING. CHANCE OF  
SNOW 50 PERCENT.  
MIN TEMPERATURE.....19-24.  
24 HR TREND......15 DEGREES WARMER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 0300, THEN AROUND 20 MPH  
WITH GUSTS TO AROUND 25 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 0300, THEN AROUND  
25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH UNTIL 2400, THEN NORTHWEST  
AROUND 25 MPH.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING.  
CHANCE OF SNOW 20 PERCENT.  
MAX TEMPERATURE.....27-32.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........55-61 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 35  
MPH UNTIL 1500, THEN 20 MPH.  
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......600-1600 FT AGL UNTIL 1200, THEN 3400-3600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 16. WINDS GENERALLY  
LESS THAN 10 MPH.    
SATURDAY
 
NOT AS COOL. PARTLY CLOUDY. LOWS IN THE LOWER 20S.  
HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS. LOWS  
IN THE MID 20S. HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN  
10 MPH.    
MONDAY
 
COLDER. CLOUDY WITH SNOW SHOWERS LIKELY. LOWS AROUND  
18. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 17. HIGHS IN THE LOWER 30S.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS IN THE UPPER 20S.  
 

 
 
WYZ282-312245-  
SOUTH BIG HORN BASIN/WORLAND BLM-  
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY.  
MAX TEMPERATURE.....32-37.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......10 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.....SOUTHEAST AROUND 10 MPH.  
MIXING HEIGHT.......400-1600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
EARLY IN THE EVENING. CHANCE OF SNOW SHOWERS IN  
THE LATE EVENING AND EARLY MORNING, THEN SLIGHT  
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. CHANCE  
OF SNOW 50 PERCENT.  
MIN TEMPERATURE.....15-20.  
24 HR TREND......18 DEGREES WARMER.  
MAX HUMIDITY........85-91 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300, THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2100, THEN  
NORTHWEST.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN  
THE MORNING. CHANCE OF SNOW 20 PERCENT.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........57-63 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
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.......600-800 FT AGL UNTIL 1200, THEN 3400-3800 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 13. WINDS GENERALLY LESS THAN  
10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE UPPER  
30S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS IN THE  
LOWER 20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN  
10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND  
19. HIGHS IN THE MID 30S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 17. HIGHS  
31 TO 36.  
 

 
 
WYZ275-312245-  
NORTH BIG HORN BASIN/WORLAND BLM-  
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS LATE IN  
THE MORNING. CHANCE OF SNOW 20 PERCENT.  
MAX TEMPERATURE.....31-36.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......400-1600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL EARLY MORNING,  
THEN SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE  
MORNING. CHANCE OF SNOW 50 PERCENT.  
MIN TEMPERATURE.....16-21.  
24 HR TREND......17 DEGREES WARMER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.  
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 2100, THEN NORTHWEST  
15 TO 20 MPH.  
MIXING HEIGHT.......400-800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........54-60 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......600-800 FT AGL UNTIL 1200, THEN 3200-3600 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 17. WINDS GENERALLY LESS THAN  
10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS. LOWS  
IN THE MID 20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN  
10 MPH.    
MONDAY
 
CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND 20.  
HIGHS IN THE MID 30S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS  
30 TO 35.  
 

 
 
WYZ276-312245-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 20  
MPH UNTIL 1500.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......400-1400 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS UNTIL EARLY  
MORNING. CHANCE OF SNOW 20 PERCENT.  
MIN TEMPERATURE.....14-19.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....31-36.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN  
SOUTH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1500, THEN  
SOUTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-600 FT AGL UNTIL 1200, THEN 3400-3800 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 17. SOUTHWEST WINDS AROUND  
10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE  
LOWER 40S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS. LOWS  
IN THE MID 20S. HIGHS IN THE MID 40S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS  
AROUND 20. HIGHS IN THE MID 30S. WINDS GENERALLY LESS THAN  
10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 19. HIGHS  
31 TO 36.  
 

 
 
WYZ287-312245-  
OWL CREEK MOUNTAINS-  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY.  
MAX TEMPERATURE.....30-35.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-1400 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS. CHANCE OF SNOW  
20 PERCENT.  
MIN TEMPERATURE.....15-20.  
24 HR TREND......9 DEGREES WARMER.  
MAX HUMIDITY........81-87 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 2100, THEN NORTH.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY.  
MAX TEMPERATURE.....24-29.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........56-62 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH UNTIL 1500, THEN  
SOUTHEAST.  
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH UNTIL 1500, THEN SOUTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 1500, THEN SOUTH.  
MIXING HEIGHT.......400-600 FT AGL UNTIL 1200, THEN 4000-4200 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 14. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
MID 30S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
IN THE MID 20S. HIGHS AROUND 40. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND  
19. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS  
28 TO 33.  
 

 
 
WYZ286-312245-  
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-  
INCLUDING THE CITY OF PAHASKA  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS LATE IN THE  
MORNING. CHANCE OF SNOW SHOWERS LATE IN THE  
AFTERNOON. CHANCE OF SNOW 50 PERCENT.  
MAX TEMPERATURE.....29-34.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND  
25 MPH.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1500, THEN AROUND 30  
MPH.  
MIXING HEIGHT.......600-1800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL EARLY MORNING.  
SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.  
CHANCE OF SNOW 50 PERCENT.  
MIN TEMPERATURE.....10-15.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND  
25 MPH.  
RIDGE TOP WINDS.....WEST AROUND 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......600-800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....25-30.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 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.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......600 FT AGL UNTIL 1200, THEN 3200-4200 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 12. WEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. PATCHY BLOWING SNOW IN THE EVENING.  
LOWS AROUND 19. HIGHS IN THE MID 30S. WEST WINDS AROUND 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS IN THE  
LOWER 20S. HIGHS IN THE MID 30S. WEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND  
18. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE AFTERNOON.  
LOWS AROUND 16. HIGHS IN THE LOWER 30S.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 20S.  
 

 
 
WYZ140-312245-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW  
SHOWERS IN THE LATE MORNING AND AFTERNOON.  
CHANCE OF SNOW SHOWERS LATE IN THE AFTERNOON.  
CHANCE OF SNOW 50 PERCENT.  
MAX TEMPERATURE.....23-28.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, 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 15 TO 20 MPH.  
MIXING HEIGHT.......600-1800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL EARLY MORNING.  
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE  
MORNING. CHANCE OF SNOW 50 PERCENT.  
MIN TEMPERATURE.....3-8.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....WEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 0300, THEN NORTHWEST.  
MIXING HEIGHT.......600-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....WEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......600 FT AGL UNTIL 1200, THEN 2800-3800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 7. WINDS GENERALLY LESS  
THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 13. HIGHS IN THE LOWER  
30S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW  
SHOWERS. LOWS 15 TO 20. HIGHS 29 TO 34. WEST WINDS AROUND 10 MPH.   
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 15. HIGHS  
27 TO 32.  
 

 
 
WYZ415-312245-  
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-  
INCLUDING THE CITIES OF JACKSON AND MORAN  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........35-41 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......600-2400 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS UNTIL EARLY  
MORNING. CHANCE OF SNOW 20 PERCENT.  
MIN TEMPERATURE.....5-10.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
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.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600-1000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....27-32.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600 FT AGL UNTIL 1200, THEN 3000-4200 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 8. WINDS GENERALLY LESS THAN  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 14. HIGHS IN THE LOWER 30S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS AROUND 20.  
HIGHS IN THE MID 30S. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS AROUND 19.  
HIGHS IN THE LOWER 30S. WEST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS  
IN THE LOWER 30S.  
 

 
 
WYZ416-312245-  
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY.  
MAX TEMPERATURE.....29-34.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
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.......600-2000 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
PATCHY BLOWING SNOW EARLY IN THE EVENING.  
MIN TEMPERATURE.....6-11.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25  
MPH UNTIL 0300, THEN 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......600-800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....23-28.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN WEST  
AROUND 10 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 10 TO 15 MPH.  
MIXING HEIGHT.......600 FT AGL UNTIL 1200, THEN 3000-3800 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 6. WINDS GENERALLY LESS THAN  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 14. HIGHS IN THE LOWER 30S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW  
SHOWERS. LOWS 15 TO 20. HIGHS 30 TO 35. WEST WINDS AROUND 10 MPH.   
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 16. HIGHS IN THE LOWER 30S.   
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 30S.  
 

 
 
WYZ288-312245-  
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-  
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY. PATCHY BLOWING SNOW IN THE AFTERNOON.  
MAX TEMPERATURE.....31-36.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 25 MPH  
UNTIL 1500, THEN 30 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......600-1600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
MIN TEMPERATURE.....8-13.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........74-80 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH  
UNTIL 0300, THEN 20 MPH.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 0300, THEN AROUND 15  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 0300, THEN AROUND  
15 MPH.  
MIXING HEIGHT.......600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY.  
MAX TEMPERATURE.....24-29.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 1200, THEN  
NORTHEAST UNTIL 1500, THEN SOUTHWEST. GUSTS UP  
TO 20 MPH.  
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 1200, THEN NORTHEAST  
UNTIL 1500, THEN SOUTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600 FT AGL UNTIL 1200, THEN 3000-3600 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 10. WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. PATCHY BLOWING SNOW AFTER MIDNIGHT.  
LOWS AROUND 19. HIGHS IN THE MID 30S. WEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.  
PATCHY BLOWING SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER  
30S. WEST WINDS AROUND 15 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 19. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. PATCHY BLOWING SNOW. LOWS AROUND 18.  
HIGHS IN THE LOWER 30S.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 30S.  
 

 
 
WYZ414-312245-  
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-  
INCLUDING THE CITY OF AFTON  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
PATCHY BLOWING SNOW LATE IN THE AFTERNOON.  
MAX TEMPERATURE.....27-32.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......4 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.......600-2200 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
PATCHY BLOWING SNOW EARLY IN THE EVENING.  
MIN TEMPERATURE.....5-10.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........74-80 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600-800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
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 10 TO 15 MPH.  
MIXING HEIGHT.......600 FT AGL UNTIL 1200, THEN 2400-3600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 8. WINDS GENERALLY LESS THAN  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 15. HIGHS IN THE MID 30S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID  
30S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
IN THE LOWER 20S. HIGHS IN THE MID 30S. WEST WINDS AROUND 10 MPH.   
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE MID 30S.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 30S.  
 

 
 
WYZ278-312245-  
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-  
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....29-34.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, 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 10 TO 15 MPH.  
MIXING HEIGHT.......400-2200 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
MIN TEMPERATURE.....2-7.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........74-80 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 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.......400-600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....24-29.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........46-52 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, 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.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......400-600 FT AGL UNTIL 1200, THEN 2200-3400 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 6. WINDS GENERALLY LESS  
THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 12. HIGHS IN THE UPPER 30S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN  
THE UPPER 30S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE UPPER 30S.   
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 40.  
 

 
 
WYZ277-312245-  
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-  
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....28-33.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 15 MPH  
UNTIL 1200, THEN 20 MPH.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......400-1800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLEAR.  
MIN TEMPERATURE.....5-10.  
24 HR TREND......9 DEGREES WARMER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........49-55 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN WEST  
AROUND 10 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH UNTIL 1500, THEN WEST.  
MIXING HEIGHT.......400-2400 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 6. WINDS GENERALLY LESS  
THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 13. HIGHS IN THE MID 30S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN THE UPPER 30S.  
WEST WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE UPPER 30S.  
WEST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 19. HIGHS  
39 TO 44.  
 

 
 
WYZ279-312245-  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....30-35.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS  
UNTIL 1200, THEN AROUND 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN AROUND  
25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST  
AROUND 25 MPH.  
MIXING HEIGHT.......400-2200 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY.  
MIN TEMPERATURE.....7-12.  
24 HR TREND......10 DEGREES WARMER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
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 UNTIL 0300, THEN AROUND 10  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......400-600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....24-29.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........53-59 PERCENT.  
24 HR TREND......21 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1500, THEN WEST.  
MIXING HEIGHT.......400-1000 FT AGL UNTIL 1200, THEN 2400-3400 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 6. WINDS GENERALLY LESS  
THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 14. HIGHS IN THE MID 30S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S.  
HIGHS 38 TO 43. WEST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 20. HIGHS  
IN THE LOWER 40S.  
 

 
 
WYZ289-312245-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
INCLUDING THE CITY OF JEFFREY CITY  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
PATCHY BLOWING SNOW.  
MAX TEMPERATURE.....28-33.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 20 MPH. GUSTS UP TO 30  
MPH UNTIL 1200, THEN 35 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200, THEN 25 TO  
30 MPH.  
MIXING HEIGHT.......400-1600 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS. CHANCE OF SNOW  
20 PERCENT.  
MIN TEMPERATURE.....11-16.  
24 HR TREND......12 DEGREES WARMER.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
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 UNTIL 0300, THEN NORTHWEST.  
MIXING HEIGHT.......400-800 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
SUNNY. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN  
THE MORNING. CHANCE OF SNOW 20 PERCENT.  
MAX TEMPERATURE.....21-26.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........60-66 PERCENT.  
24 HR TREND......21 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN  
WEST. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1500, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 1500, THEN WEST.  
MIXING HEIGHT.......800-1000 FT AGL UNTIL 1200, THEN 3200-3600 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 8. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY THROUGH SUNDAY
 
PARTLY CLOUDY. LOWS 16 TO 21. HIGHS  
33 TO 38. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS AROUND 17.  
HIGHS IN THE MID 30S. WEST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 17. HIGHS  
IN THE MID 30S.  
 

 
 
WYZ300-312245-  
CASPER MOUNTAIN-  
455 AM MDT THU OCT 31 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
PATCHY BLOWING SNOW.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 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.......400-1400 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY BLOWING SNOW. CHANCE OF  
SNOW SHOWERS IN THE EVENING. SNOW SHOWERS  
LIKELY AFTER MIDNIGHT, THEN CHANCE OF SNOW  
SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW  
ACCUMULATION. CHANCE OF SNOW 60 PERCENT.  
MIN TEMPERATURE.....15-20.  
24 HR TREND......15 DEGREES WARMER.  
MAX HUMIDITY........88-94 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH UNTIL 0300, THEN AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2400, THEN AROUND 15  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.25 PERCENT UNTIL 2400, THEN 40 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 2400, THEN WEST  
AROUND 15 MPH.  
MIXING HEIGHT.......400-1200 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........MISSING.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. CHANCE OF SNOW SHOWERS  
EARLY IN THE MORNING, THEN SLIGHT CHANCE OF  
SNOW SHOWERS EARLY IN THE MORNING. PATCHY  
BLOWING SNOW LATE IN THE AFTERNOON. CHANCE OF  
SNOW 30 PERCENT.  
MAX TEMPERATURE.....21-26.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........67-73 PERCENT.  
24 HR TREND......26 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 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.....NORTHWEST AROUND 15 MPH UNTIL 1200, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......1200-1400 FT AGL UNTIL 1200, THEN 3200-3600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD.  
HAINES INDEX........MISSING.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. PATCHY BLOWING SNOW AFTER MIDNIGHT. LOWS  
AROUND 9. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. PATCHY BLOWING SNOW. PATCHY BLOWING  
SNOW AFTER MIDNIGHT. LOWS AROUND 18. HIGHS IN THE UPPER 20S.  
SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. PATCHY BLOWING SNOW. SLIGHT CHANCE OF  
SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 30S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND  
16. HIGHS IN THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE AFTERNOON.  
LOWS AROUND 16. HIGHS AROUND 30.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 20S.  
 

 
 
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