228  
FNUS76 KMFR 110133  
FWSMFR  
 
SPOT FORECAST FOR IRSC HAPPY CAMP PILES...USFS KNF  
NATIONAL WEATHER SERVICE MEDFORD OR  
533 PM PST WED DEC 10 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON DECEMBER 11.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
DRY WEATHER IS EXPECTED OVER THE AREA UNDER HIGH  
PRESSURE. HUMIDITIES WILL REMAIN DRY AND DAYTIME HIGH TEMPERATURES  
WILL BE GENERALLY MILD TO WARM. WINDS ARE EXPECTED TO BE MAINLY  
LIGHT THURSDAY AND FRIDAY AND MIXING HEIGHTS WILL BE  
LOW. THE NEXT CHANCE OF RAIN WILL BE AROUND SUNDAY NIGHT AND  
MONDAY WHEN THE NEXT WEATHER SYSTEM MOVES THROUGH.  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........35-45 PERCENT.  
EYE LEVEL WINDS.....LIGHT AND VARIABLE 1 TO 2 MPH. GUSTS TO 4 MPH  
IN THE AFTERNOON.  
WIND (20 FT)........LIGHT AND VARIABLE 2 TO 5 MPH. GUSTS TO 9 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1400 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.  
CWR.................0 PERCENT.  
   
THURSDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 41.  
MAX HUMIDITY........60 PERCENT.  
EYE LEVEL WINDS.....LIGHT AND VARIABLE 1 TO 2 MPH EARLY IN THE  
EVENING THEN EAST WINDS 1 TO 2 MPH.  
GUSTS TO 4 MPH.  
WIND (20 FT)........LIGHT AND VARIABLE 2 TO 5 MPH EARLY IN THE  
EVENING THEN EAST WINDS 2 TO 5 MPH.  
GUSTS TO 9 MPH.  
MIXING HEIGHT.......900 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 6 MPH.  
CWR.................0 PERCENT.  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 61.  
MIN HUMIDITY........35-40 PERCENT.  
EYE LEVEL WINDS.....LIGHT AND VARIABLE 1 TO 2 MPH.  
WIND (20 FT)........LIGHT AND VARIABLE 2 TO 5 MPH.  
MIXING HEIGHT.......1400 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
CWR.................0 PERCENT.  
 
 
FORECASTER...CLARSTROM  
REQUESTED BY...CHRISTOPHER SCHLOSSERPRUKOP  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527133.3/MFR  
.DELDT 12/11/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRISTOPHER.SCHLOSSERPRUKOP@USDA.GOV,CHRISTOPHER.WARE@USDA.GOV  
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