277  
FNAK79 PAFG 211314  
FWSAFG  
 
SPOT FORECAST FOR MUKLUK...STATE OF ALASKA  
NATIONAL WEATHER SERVICE FAIRBANKS AK  
514 AM AKDT FRI AUG 21 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 AKDT ON AUGUST 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
TEMPERATURES WILL BE IN THE UPPER 60S TODAY AND TOMORROW WITH MIN  
RHS SITTING AROUND 35 TO 40%. WINDS WILL BE MAINLY LIGHT TODAY  
BUT THERE MAY BE A COUPLE OF GUSTS UP TO 15 MPH THIS AFTERNOON.  
SOUTHWESTERLY WIND GUSTS UP TO 15 MPH ARE MORE LIKELY TOMORROW  
AFTERNOON. WINDS SHIFT TO NORTHWEST ON SUNDAY, SUSTAINED AT 10 TO  
15 MPH WITH GUSTS POTENTIALLY AROUND 20 TO 30 MPH. THE STRONGER  
WINDS WILL BLOW MORE MOISTURE INTO THE AREA, SO THE MIN RHS SHOULD  
INCREASE TO AROUND 50 TO 55%.  
 
RAINFALL WILL COME AS SPOTTY SHOWERS AND THERE IS NO GUARANTEE  
FOR RAIN AT THE FIRE. HOWEVER, IF THERE IS A SHOWER, IT CAN BRING  
0.05" TO 0.15" OF RAIN, SO WETTING RAIN IS NOT COMPLETELY  
IMPOSSIBLE, BUT UNLIKELY. THERE IS A CHANCE FOR A THUNDERSTORM  
AROUND THE FIRE THIS AFTERNOON. THE MOST LIKELY SCENARIO IS THAT  
THE STORMS REMAIN NORTH/EAST OF THE FIRE. IF THIS DOES OCCUR, AN  
OUTFLOW BOUNDARY CAN BRING BRIEF GUSTY AND ERRATIC WINDS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS THROUGH THE DAY.  
CWR.................10 PERCENT.  
CWR25...............0 PERCENT.  
TSTM COVERAGE.......ISO (20 PERCENT).  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........39 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
RIDGETOP WIND.......SOUTHWEST WINDS 10 TO 20 MPH, DECREASING TO  
6 TO 12 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......500 FT AGL INCREASING TO 3700 FT AGL IN THE  
LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 7 MPH.  
INVERSION BURNOFF...7 AM AKDT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING.  
CWR.................10 PERCENT.  
CWR25...............0 PERCENT.  
TSTM COVERAGE.......ISO (20 PERCENT).  
MIN TEMPERATURE.....AROUND 42.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE EVENING.  
RIDGETOP WIND.......SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING,  
INCREASING TO 12 TO 18 MPH AROUND MIDNIGHT.  
MIXING HEIGHT.......3700 FT AGL DECREASING TO 500 FT AGL IN THE  
LATE EVENING AND OVERNIGHT.  
TRANSPORT WINDS.....WEST AROUND 6 MPH.  
INVERSION SETUP.....10 PM AKDT, BUT WILL BE WEAK DUE TO CLOUD COVER.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
CWR.................3 PERCENT.  
CWR25...............0 PERCENT.  
TSTM COVERAGE.......NONE (0 PERCENT).  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH IN  
THE AFTERNOON.  
RIDGETOP WIND.......SOUTHWEST WINDS 12 TO 18 MPH.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 5200 FT AGL IN THE  
LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....WEST AROUND 7 MPH.  
INVERSION BURNOFF...7 AM AKDT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
SUNDAY
 
 
MOSTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE LOWER 40S. HIGHS  
IN THE LOWER 60S. LIGHT WINDS.    
MONDAY
 
 
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS AROUND 40. HIGHS AROUND 70.  
LIGHT WINDS.    
TUESDAY
 
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS AROUND 70. LIGHT  
WINDS.  
 

 
FORECASTER...BIANCO  
REQUESTED BY...PATRICK JOHNSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2620028.2/AFG  
.DELDT 08/21/26  
.FORMATTERVERSION 2.0.0  
.EMAIL PATRICK.C.JOHNSON@USDA.GOV  
 
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