290  
FNUS55 KRIW 162039  
FWFRIW  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
239 PM MDT WED AUG 16 2017  
   
DISCUSSION
 
 
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER  
ZONES 140...414...415...AND 416)...  
 
HIGH PRESSURE WILL BEGIN TO BUILD INTO THE AREA OVER THE NEXT  
SEVERAL DAYS WITH A GRADUAL WARMING TREND AND LITTLE CHANCE OF ANY  
AFTERNOON SHOWERS OR STORMS THURSDAY OR FRIDAY. A FEW ARE EXPECTED  
INTO THIS EVENING ACROSS THE AREA AND AGAIN LATE THURSDAY OVER THE  
HIGHEST ELEVATIONS IN 416 BUT OTHERWISE, IT LOOKS DRY. MIN RH'S WILL  
GENERALLY BE IN THE 20S AND 30S PERCENT RANGE DEPENDING ON  
ELEVATION. A GENERAL WEST WIND OF 10 TO 20 MPH THURSDAY AFTERNOON  
WITH ELEVATE THE FIRE DANGER IN THE FOOTHILLS WHEN COMBINED WITH MIN  
RH'S IN THE LOWER TO MID 20 PERCENT RANGE. SMOKE DISPERSAL WILL  
GENERALLY BE VERY GOOD TO EXCELLENT IN THE AFTERNOON HOURS THURSDAY.  
   
..RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
 
 
279...AND 289)...  
 
HIGH PRESSURE WILL BUILD INTO THE AREA OVER THE NEXT COUPLE DAYS  
BRINGING WARMER AND DRY CONDITIONS. RELATIVE HUMIDITY WILL FALL INTO  
THE UPPER TEENS TO MID 20S PERCENT RANGE THURSDAY AND MID TEENS TO  
AROUND 20 PERCENT FRIDAY. A GENERAL WEST WIND 10 TO 20 MPH THURSDAY  
AFTERNOON WILL ELEVATE THE FIRE DANGER. SMOKE DISPERSAL WILL BECOME  
EXCELLENT IN THE AFTERNOON THURSDAY.  
   
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
 
 
282...283...285...286...287...288...AND 289)...  
 
HIGH PRESSURE WILL BEGIN TO BUILD INTO THE AREA OVER THE NEXT  
SEVERAL DAYS RESULTING IN WARMER AND DRY CONDITIONS. AN ISOLATED  
THUNDERSTORM MAY STILL FIRE ACROSS THE MOUNTAINS AND ADJACENT  
FOOTHILLS INTO THIS EVENING, BUT A VAST MAJORITY OF THE AREA SHOULD  
REMAIN DRY. ON THURSDAY, LATE DAY ISOLATED SHOWERS/STORMS ARE  
POSSIBLE AGAIN OVER THE HIGHER TERRAIN. IT WILL BE A FEW DEGREES  
WARMER WITH MIN RH'S IN THE UPPER TEENS TO MID 20S ACROSS THE LOWER  
ELEVATIONS WITH 20S AND 30S IN THE HIGH COUNTRY. SMOKE DISPERSAL  
WILL VARY FROM FAIR TO GOOD ACROSS THE LOWER ELEVATIONS WITH GOOD TO  
VERY GOOD IN THE FOOTHILLS. FRIDAY WILL BE DRY, 3 TO 5 DEGREES  
WARMER WITH MIN RH'S IN THE 15 TO 20 PERCENT RANGE.  
   
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281
 
 
285...289...AND 300)...  
 
HIGH PRESSURE WILL BEGIN TO BUILD INTO THE AREA OVER THE NEXT  
SEVERAL DAYS RESULTING IN WARMER AND DRY CONDITIONS. AN ISOLATED  
THUNDERSTORM MAY STILL FIRE ACROSS THE MOUNTAINS AND ADJACENT  
FOOTHILLS INTO THIS EVENING, BUT A VAST MAJORITY OF THE AREA SHOULD  
REMAIN DRY. ON THURSDAY, LATE DAY ISOLATED SHOWERS/STORMS ARE  
POSSIBLE AGAIN OVER THE HIGHER TERRAIN AND NORTHERN 281. IT WILL BE  
A FEW DEGREES WARMER WITH MIN RH'S IN THE UPPER TEENS TO MID 20S  
ACROSS THE LOWER ELEVATIONS WITH 20S AND 30S IN THE HIGH COUNTRY.  
SMOKE DISPERSAL WILL VARY FROM FAIR TO GOOD ACROSS THE LOWER  
ELEVATIONS WITH GOOD TO VERY GOOD IN THE FOOTHILLS. FRIDAY WILL BE  
DRY, 3 TO 5 DEGREES WARMER WITH MIN RH'S IN THE 15 TO 20 PERCENT  
RANGE.  
   
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
 
   
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT
 
 
WYZ280-171015-  
NATRONA COUNTY/CASPER BLM-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......25 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......5500-6500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 15 MPH  
UNTIL 1500, THEN 20 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 12000-12500 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH AND GUSTY UNTIL 2400,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH UNTIL 2400, THEN NORTHWEST  
AROUND 10 MPH.  
MIXING HEIGHT.......7000-7500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 9000 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY THROUGH SATURDAY
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN  
THE MID 80S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
80S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 52 TO 57. HIGHS  
IN THE MID 80S.  
 

 
 
WYZ283-171015-  
UPPER WIND RIVER BASIN/WIND RIVER BASIN-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......21 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
WEST AROUND 10 MPH.  
10K FT WIND.........SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 11500-12000  
FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD TO EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........57-63 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH AND GUSTY UNTIL  
2100, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......5500-6000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 8500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY THROUGH SATURDAY
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS  
84 TO 89. WEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS 81 TO 86. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S.  
 

 
 
WYZ285-171015-  
SOUTH BIGHORN MOUNTAINS-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN  
WEST AROUND 10 MPH.  
10K FT WIND.........WEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......5000-5500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY.  
10K FT WIND.........WEST AROUND 15 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 11500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD TO EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 20  
MPH UNTIL 0300.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......5000-5500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 8000-8500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. WEST WINDS AROUND  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS 74 TO 79. NORTH WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE UPPER 70S.  
 

 
 
WYZ281-171015-  
JOHNSON COUNTY/CASPER BLM-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........57-63 PERCENT.  
24 HR TREND......25 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......4000-5000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST AROUND 10 MPH UNTIL 0900, THEN  
NORTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900, THEN  
NORTHWEST.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 10000-11500  
FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTH WINDS AROUND 15 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
WEST AROUND 10 MPH. GUSTS UP TO 20 MPH.  
10K FT WIND.........NORTH AROUND 20 MPH UNTIL 2100, THEN WEST 10 TO  
15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........16-22 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 9500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 50S. WINDS GENERALLY LESS  
THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS 82 TO 87. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 80S.  
 

 
 
WYZ282-171015-  
SOUTH BIG HORN BASIN/WORLAND BLM-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........64-70 PERCENT.  
24 HR TREND......18 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........SOUTH AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......3500-4500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN  
NORTHWEST AROUND 10 MPH.  
10K FT WIND.........SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN NORTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN  
NORTHWEST.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1200, THEN 10000-10500  
FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH UNTIL 0300, THEN  
SOUTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 0300, THEN  
SOUTHWEST.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....79-84.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTH AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 8500-9000 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. WINDS GENERALLY  
LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE MID 80S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE MID 80S.  
 

 
 
WYZ275-171015-  
NORTH BIG HORN BASIN/WORLAND BLM-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......21 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........SOUTH AROUND 10 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......4500-5000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN  
NORTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTH AROUND 10 MPH UNTIL 1200, THEN NORTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN NORTH.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1200, THEN 8000-9000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
NORTHWEST AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......4500-5000 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1200, THEN 7500-8000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 50S. WINDS GENERALLY LESS  
THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS 82 TO 87. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. 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 MID 80S.  
 

 
 
WYZ276-171015-  
CODY FOOTHILLS-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........55-61 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......5000-5500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN NORTH  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST AROUND 15 MPH UNTIL 0900, THEN  
NORTHWEST UNTIL 1200, THEN NORTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900, THEN  
NORTHWEST UNTIL 1200, THEN NORTH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 10000-10500 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........55-61 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...MODERATE.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN  
WEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN WEST.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....79-84.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN  
SOUTHEAST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN  
SOUTHEAST.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 9000-9500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS 76 TO 81. WINDS GENERALLY LESS THAN 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.  
 

 
 
WYZ287-171015-  
OWL CREEK MOUNTAINS-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......21 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN  
WEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY UNTIL  
0900, THEN UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500,  
THEN NORTH AROUND 10 MPH AND GUSTY.  
10K FT WIND.........SOUTHWEST AROUND 15 MPH UNTIL 0900, THEN  
NORTHWEST 5 TO 10 MPH UNTIL 1500, THEN NORTH  
AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1200, THEN NORTH.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1200, THEN 10500-11500 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......5000-5500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 8500-9000 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 50S. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. LOWS 52 TO 57. HIGHS  
IN THE UPPER 70S.  
 

 
 
WYZ286-171015-  
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
15 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......4500-6000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
10K FT WIND.........WEST AROUND 15 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 9000-10000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....42-47.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300, THEN  
WEST AROUND 10 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......5000-5500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH HIGHER GUSTS.  
10K FT WIND.........WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 7500-8000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. WEST WINDS AROUND  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S. WEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE  
UPPER 60S. WEST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE  
UPPER 60S.  
 

 
 
WYZ140-171015-  
YELLOWSTONE NATIONAL PARK-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....38-43.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........SOUTH 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......5000-5500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....FAIR UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
10 TO 15 MPH WITH HIGHER GUSTS.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1500, THEN WEST  
AROUND 20 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 8500-9000 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....38-43.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 15 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH UNTIL 2400, THEN SOUTH 5 TO  
10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 2400, THEN SOUTH.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....71-76.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1200, THEN 7500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS AROUND  
70. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 70S.  
 

 
 
WYZ415-171015-  
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
10K FT WIND.........SOUTHWEST AROUND 10 MPH UNTIL 2400, THEN SOUTH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......5000-5500 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....FAIR UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST  
10 TO 15 MPH WITH HIGHER GUSTS.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 8500-9000 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....38-43.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH AND GUSTY UNTIL 2100,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH UNTIL 2400, THEN SOUTHEAST 5  
TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100, THEN AROUND 10  
MPH UNTIL 2400, THEN SOUTHEAST.  
MIXING HEIGHT.......4500-5000 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 8000-8500 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. WINDS GENERALLY  
LESS THAN 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 70.  
WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE  
LOWER 70S.  
 

 
 
WYZ416-171015-  
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......20 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......4500-5000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....63-68.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH  
UNTIL 1500, THEN 25 MPH.  
10K FT WIND.........WEST 15 TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500-3000 FT AGL UNTIL 1200, THEN 8500-9000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....37-42.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........WEST AROUND 20 MPH UNTIL 2100, THEN NORTH  
AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
MIXING HEIGHT.......4000-4500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........NORTH AROUND 10 MPH UNTIL 0900, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 0900, THEN WEST.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 7500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. WEST WINDS AROUND  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 70.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE  
UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS 66 TO 71.  
 

 
 
WYZ288-171015-  
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH. GUSTS UP TO 15 MPH  
UNTIL 0300, THEN 20 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
10K FT WIND.........WEST 15 TO 20 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 9500-10500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........64-70 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......5000-5500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 8000 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 40S. WEST WINDS AROUND  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE  
LOWER 70S. WEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND  
70. WEST WINDS AROUND 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 45 TO 50. HIGHS 67 TO 72.  
 

 
 
WYZ414-171015-  
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......5500-6000 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST  
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500-3000 FT AGL UNTIL 1200, THEN 9000-9500 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY UNTIL 2400,  
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........WEST 15 TO 20 MPH UNTIL 2400, THEN AROUND 10  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 0300, THEN WEST  
AROUND 10 MPH.  
MIXING HEIGHT.......4500-5000 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
10 TO 15 MPH WITH HIGHER GUSTS.  
10K FT WIND.........WEST AROUND 10 MPH UNTIL 0900, THEN SOUTHWEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 0900. AROUND 20 MPH  
AFTER 1500.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 8500-9000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. WEST WINDS AROUND  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY THROUGH MONDAY
 
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.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE  
LOWER 70S.  
 

 
 
WYZ278-171015-  
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........73-79 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
10K FT WIND.........NORTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......5500-7000 FT AGL UNTIL 2400, THEN 500-1000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 10000-10500  
FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN NORTH  
AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH AND GUSTY UNTIL 0900,  
THEN UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN  
WEST AROUND 10 MPH AND GUSTY.  
10K FT WIND.........NORTH AROUND 15 MPH UNTIL 0900, THEN EAST  
AROUND 5 MPH UNTIL 1200, THEN SOUTHWEST 10 TO  
15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 0900, THEN EAST UNTIL  
1200, THEN SOUTHWEST.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1200, THEN 8500-9000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. NORTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.  
 

 
 
WYZ277-171015-  
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15  
MPH.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......6000-7000 FT AGL UNTIL 2400, THEN 500-1000 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 10500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 0300, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN AROUND  
10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 2400, THEN 0-500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........16-22 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH AND GUSTY.  
10K FT WIND.........WEST AROUND 10 MPH UNTIL 0900, THEN SOUTH UNTIL  
1200, THEN WEST AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 0900, THEN SOUTH UNTIL  
1200, THEN WEST.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1200, THEN 9500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.  
WEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ279-171015-  
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......22 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......8000-9500 FT AGL UNTIL 2400, THEN 1000-1500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST  
10 TO 15 MPH WITH HIGHER GUSTS.  
10K FT WIND.........WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-2000 FT AGL UNTIL 1200, THEN 11000-11500  
FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY 4-7  
MPH.  
10K FT WIND.........WEST 15 TO 20 MPH UNTIL 2400, THEN NORTHWEST  
AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 0300, THEN AROUND  
10 MPH.  
MIXING HEIGHT.......6500-7500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH AND GUSTY UNTIL 0900,  
THEN UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
WEST AROUND 10 MPH AND GUSTY.  
10K FT WIND.........NORTH AROUND 15 MPH UNTIL 0900, THEN WEST 5 TO  
10 MPH UNTIL 1500, THEN AROUND 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 0900, THEN WEST.  
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1200, THEN 9000 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.  
WEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 80.  
WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS 77 TO 82.  
 

 
 
WYZ289-171015-  
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........64-70 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........WEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......7500-8500 FT AGL UNTIL 2400, THEN 1000-1500 FT  
AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH  
UNTIL 1500, THEN 25 MPH.  
10K FT WIND.........WEST 10 TO 15 MPH UNTIL 1500, THEN AROUND 20  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 11000-11500 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH UNTIL 2400, THEN  
DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........WEST AROUND 20 MPH UNTIL 2100, THEN NORTH  
AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 0300, THEN NORTH  
AROUND 10 MPH.  
MIXING HEIGHT.......6000-6500 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN  
SOUTHWEST AROUND 10 MPH AND GUSTY.  
10K FT WIND.........NORTHWEST AROUND 10 MPH UNTIL 0900. SOUTHWEST  
AFTER 1500.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 0900, THEN WEST.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1200, THEN 8500 FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S. WEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS IN THE LOWER 80S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ300-171015-  
CASPER MOUNTAIN-  
239 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......32 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN  
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........SOUTHWEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......5000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN  
BECOMING PARTLY CLOUDY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.  
10K FT WIND.........WEST 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000-2500 FT AGL UNTIL 1200, THEN 11000-11500  
FT AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH AND GUSTY UNTIL  
2100, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.  
10K FT WIND.........NORTH 10 TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH UNTIL 0300, THEN AROUND 10  
MPH.  
MIXING HEIGHT.......6000 FT AGL UNTIL 2400, THEN 500 FT AGL.  
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0900, THEN  
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH. GUSTS UP TO 15 MPH.  
10K FT WIND.........NORTHWEST AROUND 10 MPH UNTIL 0900, THEN WEST.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 0900, THEN WEST.  
MIXING HEIGHT.......2000-2500 FT AGL UNTIL 1200, THEN 8500-9000 FT  
AGL.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY THROUGH SATURDAY
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS  
77 TO 82. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS 76 TO 81. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 50 TO 55. HIGHS IN THE UPPER 70S.  
 

 
 
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