399  
FNUS76 KSTO 100255  
FWSSTO  
 
SPOT FORECAST FOR NORTH MEDUSA...USFS  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
655 PM PST MON FEB 9 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0644 PST ON FEBRUARY 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
A STORM SYSTEM IS STILL ON TRACK BUT ARRIVAL OF PRECIPITATION IS A BIT  
DELAYED. THE PRECIPITATION FROM THIS SYSTEM SHOULD ARRIVE EARLY THIS  
AFTERNOON (TUESDAY). RAIN IN THE AFTERNOON WILL EVENTUALLY GIVE WAY  
TO SNOW TUESDAY EVENING WHICH IS EXPECTED TO CONTINUE OFF AN ON THROUGH  
MOST OF THURSDAY. A WINTER WEATHER ADVISORY IS EFFECT FOR THE AREA ABOVE  
5500 FEET. 8 TO 12 INCHES OF SNOW IS EXPECTED ABOVE 6000 FEET.  
 
ANOTHER (STRONGER AND COLDER) SYSTEM WILL THEN MOVE INTO THE AREA LATE  
THIS WEEKEND INTO EARLY NEXT WEEK.  
   
TUESDAY  
 
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN  
RAIN IN THE AFTERNOON.  
MAX TEMPERATURE.....43-47.  
MIN HUMIDITY........60-64 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 5 TO 14 MPH. GUSTS UP TO 30 MPH.  
RIDGETOP...........SOUTH 15 TO 20 MPH INCREASING TO 20 TO 29 MPH  
IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......4200 FT AGL.  
TRANSPORT WINDS.....SOUTH 20 TO 29 MPH.  
CWR.................6 PERCENT INCREASING TO 96 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
 
TIME (PST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY CLOUDY  
CWR.............10 10 50 50 50 100  
CHC OF THDR (%).0 0 0 0 10 10  
TEMP............39 38 43 42 44 39  
RH..............74 75 63 69 73 87  
SL/VL WIND......S 7 S 9 S 12 S 14 S 14 S 13  
SL/VL WIND GUST.14 20 28 30 30 28  
RIDGETOP WIND...S 35 S 40 S 45 S 45 S 45 S 40  
MIX HGT (FT)....500 1900 4200 4200 3700 2500  
TRANSPORT WIND..S 15 S 20 S 29 S 29 S 28 S 20  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........CLOUDY. RAIN EARLY IN THE EVENING. SNOW THROUGH  
THE NIGHT.  
MIN TEMPERATURE.....31-35.  
MAX HUMIDITY........90-94 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 5 TO 13 MPH WITH GUSTS TO AROUND 28  
MPH.  
RIDGETOP...........SOUTH 15 TO 24 MPH.  
MIXING HEIGHT.......1400 FT AGL.  
TRANSPORT WINDS.....SOUTH 15 TO 24 MPH.  
CWR.................97 PERCENT DECREASING TO 79 PERCENT AFTER 3 AM.  
CHANCE OF THUNDER...10 PERCENT.  
 
TIME (PST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY  
CWR.............100 100 100 100 100 80  
CHC OF THDR (%).10 10 10 10 10 0  
TEMP............35 35 35 34 34 34  
RH..............94 94 93 93 94 96  
SL/VL WIND......S 13 S 9 S 8 S 8 S 9 S 10  
SL/VL WIND GUST.28 21 21 21 24 24  
RIDGETOP WIND...S 30 S 30 S 40 S 45 S 50 S 55  
MIX HGT (FT)....2500 2100 1400 1400 1800 1800  
TRANSPORT WIND..S 20 S 17 S 15 S 15 S 20 S 24  
   
WEDNESDAY  
 
SKY/WEATHER.........CLOUDY. SNOW IN THE MORNING AND EARLY  
AFTERNOON, THEN SNOW LIKELY LATE IN THE  
AFTERNOON.  
MAX TEMPERATURE.....34-38.  
MIN HUMIDITY........79-83 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 5 TO 12 MPH WITH GUSTS TO AROUND 29  
MPH.  
RIDGETOP...........SOUTH 18 TO 24 MPH INCREASING TO 21 TO 29 MPH  
IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......3800 FT AGL.  
TRANSPORT WINDS.....SOUTH 18 TO 29 MPH.  
CWR.................80 PERCENT DECREASING TO 10 PERCENT LATE IN THE  
AFTERNOON.  
CHANCE OF THUNDER...11 PERCENT.  
 
TIME (PST) 6 AM 10 AM 2 PM  
SKY COVER.......CLOUDY CLOUDY CLOUDY  
CWR.............80 80 80  
CHC OF THDR (%).0 10 10  
TEMP............34 34 35  
RH..............94 87 88  
SL/VL WIND......S 10G24 S 12G29 S 12G26  
RIDGETOP WIND...S 50 S 50 S 40  
MIX HGT (FT)....1800 3800 3600  
TRANSPORT WIND..S 24 S 29 S 25  
 
 
FORECASTER...WR  
REQUESTED BY...SYLVESTER RUIZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2602150.1/STO  
.DELDT 02/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SYLVESTER.RUIZ@USDA.GOV  
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