567  
FNUS76 KSGX 282100  
FWSSGX  
 
SPOT FORECAST FOR SIERRA PEAK UNIT 93 RX...FOREST SERVICE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
100 PM PST WED JAN 28 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1900 PST ON FEBRUARY 01.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
GENERALLY LIGHT WINDS ON MONDAY WILL BECOME SOMEWHAT STRONGER ON  
TUESDAY, SWITCHING NORTH/NORTHEASTERLY BY TUESDAY NIGHT INTO  
WEDNESDAY. GUSTS INCREASE ON WEDNESDAY LATE MORNING, PREVAILING  
INTO THE AFTERNOON. MIN RH ON MONDAY WILL BE GOOD, AROUND 32%,  
WITH FAIR OVERNIGHT RECOVERY AROUND 50%. CONDITIONS DRY TUESDAY,  
FURTHER INTO FRIDAY, WITH AFTERNOON HUMIDITY IN THE TEENS BY  
WEDNESDAY AFTERNOON. NO PRECIPITATION IS CURRENTLY EXPECTED.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).  
MIN TEMPERATURE.....AROUND 55.  
MAX HUMIDITY........34 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST LATE IN THE EVENING, THEN BECOMING  
LIGHT OVERNIGHT.  
RIDGETOP...........  
CWR.................MISSING.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 7 MPH.  
 
TIME (PST) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........56 56 56 46 46 46 46 46 46 36 36  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............62 62 61 61 61 60 60 59 59 58 58  
RH..............34 34 34 33 33 33 33 33 34 34 34  
20 FT WIND DIR..SW SW SW SE SE SE SE SE SE SE SE  
20 FT WIND SPD..5 5 5 5 5 5 3 3 3 3 3  
20 FT WIND GUST.10 10 10 9 9 9 7 7 7 7 7  
EYE LVL WND DIR.SW SW SW SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.4 4 4 3 3 3 3 3 3 3 3  
EYE LVL WND GST.7 7 7 7 7 7 5 5 5 5 5  
RIDGE WIND DIR..M M M M M M M M M M M  
RIDGE WIND SPD..M M M M M M M M M M M  
CWR.............M M M M M M M M M M M  
   
MONDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 67.  
MIN HUMIDITY........32 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 5 MPH IN THE  
AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING EAST AROUND 5 MPH EARLY IN  
THE MORNING, THEN BECOMING LIGHT LATE IN THE  
MORNING BECOMING SOUTHWEST 7 TO 8 MPH IN THE  
AFTERNOON.  
RIDGETOP...........  
CWR.................MISSING.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 6 MPH SHIFTING TO THE  
SOUTHWEST 6 TO 12 MPH IN THE LATE MORNING AND  
AFTERNOON.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........36 36 36 36 27 27 27 27 27 27 14 14  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............58 58 59 61 62 63 64 64 63 62 61 61  
RH..............34 34 33 32 32 34 36 38 41 44 46 47  
20 FT WIND DIR..SE E E E SW SW SW SW SW SW W W  
20 FT WIND SPD..3 5 5 5 3 3 3 7 7 7 8 8  
20 FT WIND GUST.7 9 9 9 7 7 7 11 11 11 13 13  
EYE LVL WND DIR.SE E E E SW SW SW SW SW SW W W  
EYE LVL WND SPD.3 3 3 3 3 3 3 4 4 4 5 5  
EYE LVL WND GST.5 7 7 7 5 5 5 8 8 8 9 9  
RIDGE WIND DIR..M M M M M M M M M M M M  
RIDGE WIND SPD..M M M M M M M M M M M M  
CWR.............M M M M M M M M M M M M  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........47 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS AROUND 8 MPH SHIFTING TO THE  
SOUTHWEST AROUND 5 MPH EARLY IN THE EVENING,  
THEN SHIFTING TO THE EAST IN THE LATE EVENING  
AND OVERNIGHT.  
RIDGETOP...........  
CWR.................MISSING.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 6 TO 9 MPH SHIFTING TO THE EAST 6 TO  
7 MPH OVERNIGHT.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........14 14 14 14 12 12 12 12 12 12 11 11  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............60 60 59 59 58 58 58 58 57 57 56 56  
RH..............46 45 44 44 43 43 42 41 41 41 40 39  
20 FT WIND DIR..W SW SW SW E E E E E E E E  
20 FT WIND SPD..8 5 5 5 5 5 5 5 5 5 5 5  
20 FT WIND GUST.13 10 10 10 9 9 9 9 9 9 9 9  
EYE LVL WND DIR.W SW SW SW E E E E E E E E  
EYE LVL WND SPD.5 4 4 4 3 3 3 3 3 3 3 3  
EYE LVL WND GST.9 7 7 7 7 7 7 7 7 7 7 7  
RIDGE WIND DIR..M M M M M M M M M M M M  
RIDGE WIND SPD..M M M M M M M M M M M M  
CWR.............M M M M M M M M M M M M  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........27 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 4 MPH SHIFTING TO THE  
NORTHWEST UP TO 6 MPH WITH GUSTS TO AROUND 11  
MPH IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS AROUND 5 MPH SHIFTING TO THE  
NORTHEAST IN THE MORNING, THEN SHIFTING TO THE  
NORTHWEST 6 TO 9 MPH WITH GUSTS TO AROUND 15  
MPH IN THE AFTERNOON.  
RIDGETOP...........  
CWR.................MISSING.  
MIXING HEIGHT.......2900 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 7 MPH SHIFTING TO THE NORTHWEST  
6 TO 13 MPH IN THE LATE MORNING AND AFTERNOON.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........11 11 11 11 5 5 5 5 5 5 2 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............56 57 58 61 63 65 66 67 67 66 65 64  
RH..............38 37 34 32 30 28 28 28 29 30 30 30  
20 FT WIND DIR..E NE NE NE NE NE NE NW NW NW NW NW  
20 FT WIND SPD..5 5 5 5 5 5 5 6 6 6 9 9  
20 FT WIND GUST.9 10 10 10 9 9 9 11 11 11 15 15  
EYE LVL WND DIR.E NE NE NE NE NE NE NW NW NW NW NW  
EYE LVL WND SPD.3 4 4 4 3 3 3 4 4 4 6 6  
EYE LVL WND GST.7 7 7 7 7 7 7 8 8 8 11 11  
RIDGE WIND DIR..M M M M M M M M M M M M  
RIDGE WIND SPD..M M M M M M M M M M M M  
CWR.............M M M M M M M M M M M M  
   
FORECAST DAYS 3 THROUGH 5  
   
WEDNESDAY  
 
CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. NORTHEAST  
WINDS AROUND 9 MPH.    
THURSDAY  
 
BEYOND THE FORECAST.   
FRIDAY  
 
BEYOND THE FORECAST.  
 
 
FORECASTER...SAMANTHA ZUBER  
REQUESTED BY...CYRUS GALVAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2601242.0/SGX  
.DELDT 01/28/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CYRUS.GALVAN@USDA.GOV  
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