523  
FNUS76 KSGX 121816  
FWSSGX  
 
SPOT FORECAST FOR HEAD TRIP...CAL FIRE RIVERSIDE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
1116 AM PDT MON OCT 12 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1346 PDT ON OCTOBER 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
COOLER WITH DRY CONDITIONS EXPECTED THROUGH THE REST OF THE DAY.  
GUSTS TO 30 MPH POSSIBLE IN THE LATE AFTERNOON, WEAKENING  
OVERNIGHT. WEAKER WINDS EXPECTED ON TUESDAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........51 PERCENT.  
SURFACE WINDS (MPH).WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 31 MPH  
LATE IN THE AFTERNOON.  
CHANCE OF PCPN......10 PERCENT.  
MIXING HEIGHT.......6400 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 18 MPH LATE IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
SNOW LEVEL..........7300-8000 FT.  
 
TIME (PDT) 1PM 2PM 3PM 4PM 5PM  
SKY (%).........14 13 13 13 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............75 75 75 74 73  
RH..............58 57 54 51 54  
SURFACE WND DIR.W W W W W  
SURFACE WND SPD.9 11 14 19 20  
SURFACE WND GST.17 20 24 29 31  
CHC OF PCPN (%).10 10 10 10 0  
SNOW LVL (KFT)..8.0 7.7 7.7 7.7 7.3  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 52.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS (MPH).WEST WINDS 14 TO 19 MPH WITH GUSTS TO AROUND 29  
MPH SHIFTING TO THE NORTHWEST 7 TO 11 MPH WITH  
GUSTS TO AROUND 20 MPH EARLY IN THE EVENING.  
CHANCE OF PCPN......0 PERCENT.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....WEST 9 TO 17 MPH SHIFTING TO THE NORTHWEST 9 TO  
12 MPH OVERNIGHT.  
RAINFALL AMOUNT.....0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
SNOW LEVEL..........6800-7300 FT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........8 8 5 5 5 6 6 6 5 5 5 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............71 68 66 64 63 62 61 59 57 57 56 53  
RH..............58 64 69 73 77 80 83 87 92 94 97 100  
SURFACE WND DIR.W W NW NW NW NW NW NW NW NW NW NW  
SURFACE WND SPD.19 14 11 10 9 9 9 7 7 7 7 7  
SURFACE WND GST.29 24 20 18 16 16 15 14 13 13 14 14  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
SNOW LVL (KFT)..7.3 7.3 7.1 7.1 7.1 7.0 7.0 7.0 6.9 6.9 6.9 6.8  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........39 PERCENT.  
SURFACE WINDS (MPH).NORTHWEST WINDS AROUND 7 TO 9 MPH WITH GUSTS  
TO 15 MPH.  
CHANCE OF PCPN......0 PERCENT.  
MIXING HEIGHT.......6200 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 8 TO 9 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
SNOW LEVEL..........6800-7300 FT.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 6 3 3 3 2 2 2 5 5 5 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............54 54 56 61 65 69 73 74 75 76 75 75  
RH..............100 100 100 82 70 60 51 47 44 40 39 39  
SURFACE WND DIR.NW NW NW NW NW W NW NW NW NW NW NW  
SURFACE WND SPD.7 7 7 6 4 4 6 9 9 9 9 9  
SURFACE WND GST.14 13 13 12 10 9 12 14 15 15 15 15  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
SNOW LVL (KFT)..6.8 6.8 6.9 6.9 6.9 7.2 7.2 7.2 7.3 7.3 7.3 7.1  
 
 
FORECASTER...CASEY OSWANT  
REQUESTED BY...DUTY OFFICER  
TYPE OF REQUEST...OTHER  
.TAG 2623507.2/SGX  
.DELDT 10/12/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RRUECCCAPTAINS@FIRE.CA.GOV  
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