284  
FNUS76 KSTO 071229  
FWSSTO  
 
SPOT FORECAST FOR BUTTE COUNTY PILE RX...BLM  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
429 AM PST SUN DEC 7 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON DECEMBER 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY AND COOL WEATHER PERSISTS IN THE BURN VICINITY ALONGSIDE  
LIGHT TERRAIN DRIVEN WINDS. LOW CLOUDS AND PATCHY MORNING FOG ARE  
EXPECTED TO REMAIN IN PLACE OVER THE NEXT SEVERAL DAYS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH PATCHY MORNING FOG.  
MAX TEMPERATURE.....52-56.  
MIN HUMIDITY........71-75 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........EAST AROUND 3 MPH SHIFTING TO THE SOUTHWEST IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN  
SHIFTING TO THE NORTH AROUND 1 MPH LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......1100 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 3 MPH SHIFTING TO THE SOUTHWEST IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN  
SHIFTING TO THE NORTH AROUND 1 MPH LATE IN THE  
AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLDY PCLDY PCLDY MCLDY PCLDY  
CWR.............0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0  
TEMP............47 49 51 52 52  
RH..............77 78 79 80 85  
SL/VL WIND......E 2 SW 2 SW 2 SW 2 SW 1  
SL/VL WIND GUST.5 5 6 6 2  
RIDGETOP WIND...E 3 SW 3 SW 3 SW 3 N 1  
MIX HGT (FT)....500 800 800 1100 500  
TRANSPORT WIND..E 3 SW 3 SW 3 SW 3 N 1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....45-49.  
MAX HUMIDITY........71-75 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........NORTH AROUND 1 MPH SHIFTING TO THE NORTHEAST.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 3 TO 6 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......PCLDY MCLEAR CLEAR MCLEAR MCLEAR PCLDY  
CWR.............0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............52 50 50 51 50 49  
RH..............80 79 73 65 63 62  
SL/VL WIND......NE 1 E 2 NE 2 NE 2 NE 2 E 2  
SL/VL WIND GUST.3 5 5 5 5 6  
RIDGETOP WIND...N 1 NE 3 NE 5 NE 5 NE 5 NE 6  
MIX HGT (FT)....500 600 600 600 500 500  
TRANSPORT WIND..N 1 NE 3 NE 5 NE 5 NE 5 NE 6  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY WITH PATCHY MORNING FOG.  
MAX TEMPERATURE.....56-60.  
MIN HUMIDITY........62-66 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........NORTHEAST AROUND 6 MPH SHIFTING TO THE EAST 3  
TO 6 MPH IN THE MORNING, THEN SHIFTING TO THE  
SOUTHWEST AROUND 3 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1200 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE EAST 3  
TO 6 MPH IN THE MORNING, THEN SHIFTING TO THE  
SOUTHWEST AROUND 3 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............48 52 56 56  
RH..............61 61 65 75  
SL/VL WIND......E 2G6 NE 2G6 E 2G6 SW 2G6  
RIDGETOP WIND...NE 6 NE 6 E 3 SW 3  
MIX HGT (FT)....500 500 700 1200  
TRANSPORT WIND..NE 6 NE 6 E 3 SW 3  
 

 
FORECASTER...SP  
REQUESTED BY...ISAIAH OSORIO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526872.4/STO  
.DELDT 12/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL IOSORIO@BLM.GOV  
 
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