758  
FNUS55 KRIW 241037  
FWFRIW  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
437 AM MDT THU JUL 24 2025  
   
DISCUSSION
 
 
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER  
ZONES 140...414...415...AND 416)...  
 
A WEAK WEATHER DISTURBANCE WILL MOVE INTO THE AREA AND BRING ISOLATED  
AFTERNOON SHOWERS AND THUNDERSTORMS TO THE SOUTHERN ZONES. THE NORTHERN  
ZONES SHOULD REMAIN LARGELY DRY. WIND SHOULD REMAIN LIGHT TO MODERATE  
EXCEPT IN AND AROUND ANY SHOWER OR THUNDERSTORM. RELATIVE HUMIDITY  
WILL REMAIN ABOVE CRITICAL LEVELS. MIXING AND SMOKE DISPERSAL WILL BE  
MAINLY GOOD TO EXCELLENT IN THE AFTERNOON.  
   
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
 
 
282...283...285...286...287...288...AND 289)...  
 
A WEAK WEATHER DISTURBANCE WILL MOVE INTO THE AREA AND BRING ISOLATED  
AFTERNOON SHOWERS AND THUNDERSTORMS, MAINLY IN AND NEAR THE EASTERN  
FACING SLOPES OF THE MOUNTAIN RANGES. EASTERN AREAS SHOULD REMAIN LARGELY  
DRY. WIND SHOULD REMAIN LIGHT TO MODERATE EXCEPT IN AND AROUND ANY SHOWER  
OR THUNDERSTORM. RELATIVE HUMIDITY WILL REMAIN ABOVE CRITICAL LEVELS.  
MIXING AND SMOKE DISPERSAL WILL BE MAINLY GOOD TO EXCELLENT IN THE AFTERNOON.  
ELEVATED FIRE WEATHER IS LIKELY FRIDAY AFTERNOON AS RELATIVE HUMIDLY  
FALLS UNDER 15 PERCENT.  
   
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
 
 
279...280...281...285...289...AND 300)...  
 
A WEAK WEATHER DISTURBANCE WILL MOVE INTO THE AREA AND BRING ISOLATED  
AFTERNOON SHOWERS AND THUNDERSTORMS, IN ZONES 281, 280 AND 300 EAST OF THE  
DIVIDE AND ZONES 277 AND 279 IN THE SOUTHER ZONES. WIND SHOULD REMAIN LIGHT  
TO MODERATE EXCEPT IN AND AROUND ANY SHOWER OR THUNDERSTORM. RELATIVE HUMIDITY  
SHOULD REMAIN ABOVE CRITICAL LEVELS. MIXING AND SMOKE DISPERSAL WILL BE MAINLY  
GOOD TO EXCELLENT IN THE AFTERNOON.ELEVATED FIRE WEATHER IS LIKELY FRIDAY  
AFTERNOON AS RELATIVE HUMIDLY FALLS UNDER 15 PERCENT. CRITICAL FIRE WEATHER IS  
POSSIBLE ON SATURDAY AFTERNOON AS A GUSTY SOUTHWESTERLY BREEZE DEVELOPS.  
   
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
 
 
WYZ280-251245-  
NATRONA COUNTY/CASPER BLM-  
INCLUDING THE CITIES OF CASPER AND MIDWEST  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....84-89.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN WEST.  
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 8400-10400 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......3800-5800 FT AGL UNTIL 2400, THEN 400-600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....88-93.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........10-16 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 1200, THEN 11800-13800  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY THROUGH SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER  
90S. NORTH WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS AROUND 80.  
 

 
 
WYZ283-251245-  
UPPER WIND RIVER BASIN/WIND RIVER BASIN-  
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
EARLY IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....83-88.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......21 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN WEST  
AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 8400-10400 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........49-55 PERCENT.  
24 HR TREND......21 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 25  
MPH UNTIL 2400, THEN 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 2400, THEN SOUTHWEST.  
MIXING HEIGHT.......4000-6000 FT AGL UNTIL 2400, THEN 400-800 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....86-91.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........12-18 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 1200, THEN 11600-13600  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS IN  
THE LOWER 90S. NORTHEAST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS 85 TO 90.  
 

 
 
WYZ285-251245-  
SOUTH BIGHORN MOUNTAINS-  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....78-83.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN WEST  
AROUND 20 MPH.  
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 1200, THEN 8400-10400 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MIN TEMPERATURE.....54-59.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........56-62 PERCENT.  
24 HR TREND......32 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100, THEN  
SOUTHWEST. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN  
SOUTHWEST.  
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 2400, THEN 200-600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........12-18 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 1200, THEN 10000-12000  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS AROUND 10 MPH.    
SATURDAY THROUGH SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S. NORTHEAST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 70S.  
 

 
 
WYZ281-251245-  
JOHNSON COUNTY/CASPER BLM-  
INCLUDING THE CITIES OF BUFFALO AND KAYCEE  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 20  
PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......30 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN SOUTH  
AROUND 10 MPH UNTIL 1500, THEN NORTHWEST. GUSTS  
UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH UNTIL 1200, THEN WEST.  
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 7000-9000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MIN TEMPERATURE.....57-62.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......22 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH UNTIL 2100. SOUTHWEST  
AFTER 2400. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....EAST AROUND 15 MPH UNTIL 2400, THEN SOUTHWEST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....EAST AROUND 15 MPH UNTIL 2400, THEN SOUTHWEST.  
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 2400, THEN 400-800 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 20  
PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....84-89.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH UNTIL 1500, THEN WEST.  
GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3400-5400 FT AGL UNTIL 1200, THEN 10800-12800  
FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 89 TO  
94. NORTH WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS AROUND 60. HIGHS 82 TO 87.  
 

 
 
WYZ282-251245-  
SOUTH BIGHORN BASIN/WORLAND BLM-  
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......21 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH UNTIL 1500, THEN  
NORTHWEST. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN WEST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 8200-10200 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....54-59.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........57-63 PERCENT.  
24 HR TREND......25 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 2400, THEN 400-800 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....84-89.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........12-18 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 1200, THEN 11600-13600  
FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS IN  
THE LOWER 90S. NORTH WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 60. HIGHS 86 TO 91.  
 

 
 
WYZ275-251245-  
NORTH BIGHORN BASIN/WORLAND BLM-  
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....79-84.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......22 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHEAST AROUND 10 MPH UNTIL 1500, THEN WEST.  
GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 6800-8800 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........54-60 PERCENT.  
24 HR TREND......22 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 2400, THEN  
SOUTH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2400, THEN SOUTH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......4000-6000 FT AGL UNTIL 2400, THEN 400-800 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 20  
PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......2600-4600 FT AGL UNTIL 1200, THEN 10000-12000  
FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS AROUND 90. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS IN  
THE LOWER 90S. NORTH WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER  
80S.  
 

 
 
WYZ276-251245-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
NORTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN NORTHWEST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN WEST  
AROUND 20 MPH.  
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 1200, THEN 8600-10600 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........42-48 PERCENT.  
24 HR TREND......31 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
SOUTHWEST. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......4000-6000 FT AGL UNTIL 2400, THEN 600-1000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 20  
PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH HIGHER  
GUSTS.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......4200-6200 FT AGL UNTIL 1200, THEN 10600-12600  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 54 TO 59. HIGHS 83 TO 88. NORTH  
WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ287-251245-  
OWL CREEK MOUNTAINS-  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
EARLY IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......22 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH HIGHER  
GUSTS.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 1200, THEN 8800-10800 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........44-50 PERCENT.  
24 HR TREND......30 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 2400, THEN 200-600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....79-84.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3800-5800 FT AGL UNTIL 1200, THEN 11200-13200  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS IN  
THE MID 80S. NORTH WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ286-251245-  
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-  
INCLUDING THE CITY OF PAHASKA  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
EARLY IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 1200, THEN AROUND 25  
MPH.  
MIXING HEIGHT.......3000-5000 FT AGL UNTIL 1200, THEN 8800-10800 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........46-52 PERCENT.  
24 HR TREND......29 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3800-5800 FT AGL UNTIL 2400, THEN 400-1000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 20  
PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3800-5800 FT AGL UNTIL 1200, THEN 10000-12000  
FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. WEST WINDS AROUND  
10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S.  
SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ140-251245-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN AROUND  
20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN WEST  
AROUND 25 MPH.  
MIXING HEIGHT.......2600-4600 FT AGL UNTIL 1200, THEN 8000-10000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 2400, THEN SOUTH WITH GUSTS  
TO AROUND 15 MPH.  
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......4200-6200 FT AGL UNTIL 2400, THEN 400-800 FT  
AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 20  
PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN AROUND  
25 MPH.  
MIXING HEIGHT.......3400-5400 FT AGL UNTIL 1200, THEN 10000-12000  
FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 42 TO 47. HIGHS 74 TO 79. WINDS  
GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS 77 TO 82.  
 

 
 
WYZ415-251245-  
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-  
INCLUDING THE CITIES OF JACKSON AND MORAN  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......22 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN WEST  
AROUND 20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN WEST  
AROUND 25 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 1200, THEN 9200-11200 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....44-49.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100, THEN SOUTH  
UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2400, THEN  
SOUTHEAST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......3800-5800 FT AGL UNTIL 2400, THEN 400-1000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN WEST  
AROUND 20 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 1200, THEN 10200-12200  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.  
HIGHS 75 TO 80. SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS AROUND 80.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ416-251245-  
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. CHANCE OF  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 40  
PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN AROUND  
20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 1200, THEN 8800-10800 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
EARLY IN THE EVENING. HAZE EARLY IN THE  
MORNING. CHANCE OF PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MIN TEMPERATURE.....42-47.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL 2100,  
THEN NORTH AND GUSTY UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 2400, THEN NORTHEAST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 2400, THEN 400-800 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........16-22 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN AROUND  
20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN WEST  
AROUND 20 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 1200, THEN 9400-11400 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 72 TO  
77. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ288-251245-  
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-  
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 40 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 1200, THEN 9600-11600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........48-54 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3400-5400 FT AGL UNTIL 2400, THEN 400-800 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 1200, THEN 10200-12200  
FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 75 TO  
80. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ414-251245-  
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-  
INCLUDING THE CITY OF AFTON  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
EARLY IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3400-5400 FT AGL UNTIL 1200, THEN 9000-11000 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. HAZE EARLY IN THE EVENING.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 2400, THEN SOUTH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 400-1000 FT  
AGL.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........12-18 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 1200, THEN 10800-12800  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
MID 70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 76 TO  
81. SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 80.   
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ277>279-251245-  
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-  
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, KEMMERER,  
BIG PINEY, FARSON, PINEDALE, GREEN RIVER, ROCK SPRINGS,  
AND WAMSUTTER  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......22 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1200, THEN  
SOUTHWEST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1200, THEN  
SOUTHWEST.  
MIXING HEIGHT.......2800-4800 FT AGL UNTIL 1200, THEN 9800-11800 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. HAZE EARLY IN THE EVENING.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3800-5800 FT AGL UNTIL 2400, THEN 400-600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....78-83.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 20 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000-5000 FT AGL UNTIL 1200, THEN 11000-13000  
FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS  
82 TO 87. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ289-251245-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
INCLUDING THE CITY OF JEFFREY CITY  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH WITH HIGHER GUSTS.  
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN WEST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 1200, THEN 10000-12000  
FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO  
EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........53-59 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
25 MPH UNTIL 2400, THEN SOUTH WITH GUSTS TO  
AROUND 15 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 2400, THEN SOUTHWEST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN  
SOUTHWEST.  
MIXING HEIGHT.......4200-6200 FT AGL UNTIL 2400, THEN 400-600 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........10-16 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN  
SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH.  
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3400-5400 FT AGL UNTIL 1200, THEN 11400-13400  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS  
84 TO 89. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS 81 TO 86.  
 

 
 
WYZ300-251245-  
CASPER MOUNTAIN-  
437 AM MDT THU JUL 24 2025  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
EARLY IN THE AFTERNOON. CHANCE OF SHOWERS LATE  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 40  
PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MAX TEMPERATURE.....78-83.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......31 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST 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.....SOUTH AROUND 10 MPH UNTIL 1200, THEN WEST.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN WEST.  
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 1200, THEN 9000-11000 FT  
AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
CHANCE OF THUNDER...20 PERCENT.  
MIN TEMPERATURE.....53-58.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......23 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH.  
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......2800-4800 FT AGL UNTIL 2400, THEN 200-600 FT  
AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 1200, THEN  
WEST. GUSTS UP TO 15 MPH.  
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5000 FT AGL UNTIL 1200, THEN 10800-12800  
FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SATURDAY THROUGH SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S.  
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S. SOUTHEAST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 70S.  
 

 
 
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