565  
FNUS76 KSTO 030047  
FWSSTO  
 
SPOT FORECAST FOR BUTTE COUNTY PILE RX...BLM  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
447 PM PST TUE DEC 2 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON DECEMBER 03.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
MOSTLY SUNNY SKIES ARE EXPECTED ON WEDNESDAY AND THURSDAY, WITH RH  
VALUES IN THE UPPER 30S TO LOWER 40S. SLIGHT RECOVERIES IN THE  
OVERNIGHT PERIODS. WINDS WILL BE BREEZY OUT OF THE NE AT THE  
RIDGETOP AROUND 13-15MPH. LIGHTER WINDS IN THE SLOPE/VALLEY. WINDS  
ON THURSDAY WILL BE LIGHTER OUT OF THE NORTHEAST. DRY CONDITIONS  
ARE EXPECTED INTO THE WEEKEND.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....54-58.  
MIN HUMIDITY........38-42 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 7 MPH.  
RIDGETOP...........NORTHEAST 13 TO 15 MPH.  
MIXING HEIGHT.......2600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 13 TO 15 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......PCLDY PCLDY PCLDY PCLDY MCLEAR  
CWR.............0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0  
TEMP............45 50 54 56 54  
RH..............50 46 43 40 43  
SL/VL WIND......NE 7 NE 7 NE 7 NE 6 NE 6  
SL/VL WIND GUST.16 15 16 15 15  
RIDGETOP WIND...N 20 N 20 N 20 N 20 N 15  
MIX HGT (FT)....800 2000 2000 2600 800  
TRANSPORT WIND..NE 14 NE 15 NE 15 E 15 NE 13  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....41-45.  
MAX HUMIDITY........47-51 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 7 MPH.  
RIDGETOP...........NORTHEAST 7 TO 13 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 7 TO 13 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR PCLDY  
CWR.............0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............50 50 49 48 46 45  
RH..............41 42 42 44 46 48  
SL/VL WIND......NE 6 NE 7 NE 6 NE 6 NE 6 NE 6  
SL/VL WIND GUST.15 16 13 13 10 10  
RIDGETOP WIND...N 15 N 15 N 15 N 15 N 15 N 20  
MIX HGT (FT)....800 600 600 600 500 500  
TRANSPORT WIND..NE 13 NE 12 NE 13 NE 13 NE 10 NE 7  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....52-56.  
MIN HUMIDITY........46-50 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 6 MPH EARLY IN THE MORNING  
BECOMING LIGHT.  
RIDGETOP...........NORTHEAST 3 TO 7 MPH SHIFTING TO THE WEST 3 TO  
5 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 7 MPH DECREASING TO 3 TO 7 MPH  
IN THE MORNING, THEN SHIFTING TO THE WEST 3 TO  
5 MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6 AM 9 AM NOON 3 PM  
SKY COVER.......PCLDY PCLDY MCLEAR MCLEAR  
CWR.............0 0 0 0  
CHC OF THDR (%).0 0 0 0  
TEMP............43 47 52 52  
RH..............49 47 49 60  
SL/VL WIND......NE 6G10 NE 3G9 NE 2G6 W 2G7  
RIDGETOP WIND...N 20 N 20 N 20 N 20  
MIX HGT (FT)....500 500 1100 1700  
TRANSPORT WIND..NE 7 NE 7 NE 3 W 5  
   
FORECAST DAYS 3 THROUGH 5
 
   
FRIDAY
 
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S.  
LIGHT WINDS.    
SATURDAY
 
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S.  
LIGHT WINDS.    
SUNDAY
 
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S.  
LIGHT WINDS.  
 

 
FORECASTER...JS  
REQUESTED BY...ISAIAH OSORIO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526872.0/STO  
.DELDT 12/03/25  
.FORMATTERVERSION 2.0.0  
.EMAIL IOSORIO@BLM.GOV  
 
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