641  
FNUS76 KSTO 100222  
FWSSTO  
 
SPOT FORECAST FOR THREE PRONG RX...USFS  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
622 PM PST MON FEB 9 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON FEBRUARY 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A WEATHER SYSTEM WILL BRING PRECIPITATION, BREEZY WINDS, LIGHT  
SNOW CHANCES AND ISOLATED THUNDERSTORMS TUESDAY LATE MORNING  
THROUGH WEDNESDAY. HEAVIEST PRECIPITATION WILL OCCUR WEDNESDAY  
LATE MORNING AND AFTERNOON. FORECAST RAIN AMOUNTS ARE AROUND  
0.70-1.00" WITH A 20-40% CHANCE OF SEEING 1.00" OR MORE OF RAIN.  
ADDITIONALLY THERE IS A 10-20% CHANCE FOR ISOLATED THUNDERSTORMS  
TUESDAY AND WEDNESDAY WHICH COULD PROVIDE LOCAL AREAS OF HIGHER  
PRECIP. ACCUMULATIONS. TUESDAY EVENING INTO WEDNESDAY MAY SEE SNOW  
LEVELS DROP TO NEAR 5000 FEET AND PROVIDE LIGHT SNOW TO THE AREA  
UP TO 2 INCHES.  
 
WINDS REMAIN FAIRLY DIURNAL WITH BREEZY WINDS, SOUTHWEST IN THE  
AFTERNOONS AND NORTHEAST OVERNIGHT ON TUESDAY BEFORE WINDS BECOME  
NORTH TO EAST WEDNESDAY LATE MORNING INTO THURSDAY.  
 
MONDAY PM-WEDNESDAY: CHANCE FOR RAIN 0.50" OR MORE: 50-60%  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND SNOW IN THE AFTERNOON.  
MAX TEMPERATURE.....42-46.  
MIN HUMIDITY........46-50 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 5 TO 6 MPH.  
RIDGETOP...........EAST 7 TO 9 MPH.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....EAST 7 TO 9 MPH.  
CWR.................1 PERCENT INCREASING TO 64 PERCENT.  
CHANCE OF THUNDER...6 PERCENT.  
 
TIME (PST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC MC MC MC MC MC CDY CDY  
CWR.............0 0 0 40 40 40 40 40 40 60 60  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 10 10  
TEMP............39 38 41 42 43 43 42 43 41 40 39  
RH..............46 48 49 50 54 62 70 75 76 78 77  
SL/VL WIND DIR..NE NE E E E E E E E E E  
SL/VL WIND SPD..6 6 6 6 6 6 6 6 6 6 6  
SL/VL WIND GUST.9 9 10 10 12 13 13 13 12 12 12  
RIDGE WIND DIR..E E E E E E E E E SE SE  
RIDGE WIND SPD..7 7 7 9 9 9 7 7 7 8 8  
MIX HGT (KFT)...0.2 0.2 0.2 1.0 1.0 1.0 0.7 0.7 0.7 0.3 0.3  
TRANSP WIND DIR.E E E E E E E E E SE SE  
TRANSP WIND SPD.7 7 7 9 9 9 7 7 7 8 8  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY. RAIN AND SNOW EARLY IN THE EVENING,  
THEN RAIN AND SNOW LIKELY IN THE LATE EVENING  
AND OVERNIGHT.  
MIN TEMPERATURE.....34-38.  
MAX HUMIDITY........71-75 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 5 TO 6 MPH SHIFTING TO THE NORTHEAST  
5 TO 10 MPH.  
RIDGETOP...........NORTHEAST 7 TO 10 MPH.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 7 TO 10 MPH.  
CWR.................64 PERCENT.  
CHANCE OF THUNDER...6 PERCENT.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......CDY CDY CDY CDY MC MC MC MC MC MC MC MC  
CWR.............60 60 60 60 60 60 60 60 60 60 60 60  
CHC OF THDR (%).10 0 0 0 10 10 10 10 10 10 0 0  
TEMP............38 38 37 37 38 38 38 38 38 37 37 37  
RH..............79 77 81 80 76 75 75 76 78 80 81 80  
SL/VL WIND DIR..E NE NE NE NE NE NE NE NE NE NE NE  
SL/VL WIND SPD..6 6 6 6 6 6 6 7 7 7 7 7  
SL/VL WIND GUST.12 9 9 9 10 10 10 12 12 12 13 13  
RIDGE WIND DIR..E NE NE NE NE NE NE NE NE NE NE NE  
RIDGE WIND SPD..8 7 7 7 8 8 8 7 7 7 7 7  
MIX HGT (KFT)...0.3 0.1 0.1 0.1 0.4 0.4 0.4 0.4 0.4 0.4 0.3 0.3  
TRANSP WIND DIR.E NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.8 7 7 7 8 8 8 7 7 7 7 7  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND SNOW.  
MAX TEMPERATURE.....37-41.  
MIN HUMIDITY........66-70 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 10 MPH.  
RIDGETOP...........EAST AROUND 7 MPH SHIFTING TO THE NORTHEAST 7  
TO 12 MPH.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 7 TO 11 MPH.  
CWR.................70 PERCENT DECREASING TO 45 PERCENT LATE IN THE  
AFTERNOON.  
CHANCE OF THUNDER...9 PERCENT.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC MC  
CWR.............60 60 60 60 70 70 70 70 70 70 50 50  
CHC OF THDR (%).0 10 10 10 10 10 10 10 10 10 10 10  
TEMP............37 37 37 38 39 39 39 39 39 38 38 38  
RH..............77 75 73 71 72 78 86 92 92 88 83 78  
SL/VL WIND DIR..NE N N N NE NE NE NE NE NE E E  
SL/VL WIND SPD..7 7 7 7 7 7 7 7 7 7 7 7  
SL/VL WIND GUST.13 13 13 13 13 13 13 14 14 14 14 14  
RIDGE WIND DIR..NE N N N NE NE NE NE NE NE E E  
RIDGE WIND SPD..7 7 7 7 7 7 7 7 7 7 10 10  
MIX HGT (KFT)...0.3 0.1 0.1 0.1 0.2 0.2 0.2 0.6 0.6 0.6 0.3 0.3  
TRANSP WIND DIR.NE N N N NE NE NE NE NE NE E E  
TRANSP WIND SPD.7 7 7 7 7 7 7 7 7 7 10 10  
   
FORECAST DAYS 3 THROUGH 5
 
   
THURSDAY
 
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS IN THE UPPER 30S.  
HIGHS IN THE MID 40S. NORTH WINDS AROUND 6 MPH.    
FRIDAY
 
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S.  
NORTHWEST WINDS AROUND 8 MPH.    
SATURDAY
 
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. LOWS IN THE  
UPPER 30S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 6 MPH.  
 

 
FORECASTER...DA  
REQUESTED BY...JACOB KURKO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2602214.0/STO  
.DELDT 02/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRADFORD.TOVAR@USDA.GOV,JACOB.KURKO@USDA.GOV  
 
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