739  
FNUS76 KSTO 310500  
FWSSTO  
 
SPOT FORECAST FOR SKYLINE RX...USFS  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
900 PM PST FRI JAN 30 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON JANUARY 31.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY WEATHER THROUGH MOST OF SATURDAY BEFORE A WEAK SYSTEM CLIPS THE AREA  
SATURDAY NIGHT AND BRINGS A SLIGHT CHANCE OF LIGHT SHOWERS IN THE VICINITY  
THROUGH SUNDAY MORNING. SLOPE/VALLEY WINDS WILL REMAIN LIGHT AND  
TERRAIN DRIVEN. RIDGETOP AND TRANSPORT WINDS WILL SEE A WEAK NORTH TO EAST  
FLOW AROUND 5 TO 10 MPH IN THE EVENING THROUGH LATE MORNING TIMEFRAME WITH A  
PERIOD OF SOUTHEAST FLOW IN THE AFTERNOON. MIXING HEIGHTS WILL ONLY RISE TO  
AROUND 2000 FT AGL ON SATURDAY, BUT WILL BE SLIGHTLY HIGHER ON SUNDAY,  
AROUND 2500 FT AGL.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....61-65.  
MIN HUMIDITY........35-39 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........NORTHEAST 6 TO 9 MPH SHIFTING TO THE SOUTHEAST 5 TO  
6 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......INCREASING TO 2000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 9 MPH SHIFTING TO THE EAST 2 TO 5  
MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......PC MC MC MC MC PC PC PC PC PC MC MC  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............45 45 44 46 50 55 60 61 62 63 61 58  
RH..............60 60 62 61 55 48 41 38 38 42 49 58  
SL/VL WIND DIR..N NE N N N N NE NE S S S S  
SL/VL WIND SPD..3 3 3 3 3 2 2 2 2 2 2 2  
SL/VL WIND GUST.8 9 9 9 8 7 6 6 5 5 5 5  
RIDGE WIND DIR..N N N N NE NE NE SE SE SE E E  
RIDGE WIND SPD..9 9 9 9 6 6 6 5 5 5 4 4  
MIX HGT (KFT)...0.6 0.5 0.5 0.5 1.1 1.1 1.1 1.9 1.9 1.9 0.6 0.6  
TRANSP WIND DIR.N N N N NE NE NE SE SE SE E E  
TRANSP WIND SPD.9 9 9 9 6 6 6 5 5 5 2 2  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER 0300.  
MIN TEMPERATURE.....41-45.  
MAX HUMIDITY........68-72 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........EAST AROUND 2 MPH SHIFTING TO THE NORTHEAST 6  
TO 8 MPH.  
MIXING HEIGHT.......DECREASING TO 500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 8 MPH.  
CWR.................5 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC MC  
CWR.............0 0 0 0 0 0 0 0 0 0 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............56 53 51 50 50 48 47 47 46 46 46 44  
RH..............61 63 63 63 62 63 63 64 65 65 65 69  
SL/VL WIND DIR..S N N N N N N N N N N N  
SL/VL WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2  
SL/VL WIND GUST.5 5 5 5 5 5 5 5 5 5 6 6  
RIDGE WIND DIR..E N N N N N N NE NE NE NE NE  
RIDGE WIND SPD..2 6 6 6 7 7 7 8 8 8 6 6  
MIX HGT (KFT)...0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.6  
TRANSP WIND DIR.E N N N N N N NE NE NE NE NE  
TRANSP WIND SPD.2 6 6 6 7 7 7 8 8 8 6 6  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. SLIGHT CHANCE  
OF SHOWERS EARLY IN THE MORNING.  
MAX TEMPERATURE.....59-63.  
MIN HUMIDITY........49-53 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........NORTH 5 TO 7 MPH SHIFTING TO THE SOUTH 6 TO 7  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......INCREASING TO 2500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE NORTH 5  
TO 7 MPH IN THE MORNING, THEN SHIFTING TO THE  
SOUTH 6 TO 7 MPH IN THE AFTERNOON.  
CWR.................5 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC PC PC PC MCR MCR MCR MCR MCR  
CWR.............10 10 10 10 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............43 43 45 48 51 54 57 59 61 61 60 57  
RH..............70 70 70 69 66 61 55 51 49 48 51 59  
SL/VL WIND DIR..N N N N N N N S S S S S  
SL/VL WIND SPD..2 2 2 2 2 2 2 3 3 3 2 2  
SL/VL WIND GUST.6 6 6 6 6 6 6 7 7 7 6 6  
RIDGE WIND DIR..NE N N N N N N S S S S S  
RIDGE WIND SPD..6 7 7 7 5 5 5 7 7 7 6 6  
MIX HGT (KFT)...0.6 0.5 0.5 0.5 0.8 0.8 0.8 2.8 2.8 2.8 2.0 2.0  
TRANSP WIND DIR.NE N N N N N N SW SW SW S S  
TRANSP WIND SPD.6 7 7 7 5 5 5 7 7 7 6 6  
   
FORECAST DAYS 3 THROUGH 5
 
   
MONDAY
 
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. LIGHT  
WINDS.    
TUESDAY
 
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. LIGHT  
WINDS.    
WEDNESDAY
 
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. LIGHT  
WINDS.  
 

 
FORECASTER...KH  
REQUESTED BY...JUSTIN REGELIN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2601047.4/STO  
.DELDT 01/31/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JUSTIN.REGELIN@USDA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page