514  
FNUS76 KSGX 021739  
FWSSGX  
 
SPOT FORECAST FOR JURUPA FIRE...SAN BERNARDINO COUNTY FIRE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
1039 AM PDT TUE JUN 2 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1100 PDT ON JUNE 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
SUNNY, WARM, TYPICAL WEATHER FOR EARLY JUNE. WEAK, VARIABLE WINDS  
IN THE MORNING WILL GIVE WAY TO WEST-NORTHWEST BREEZES AFTER 1100  
PDT OR SO, THEN CALM AGAIN IN THE EVENING. DRY TO MODERATE  
HUMIDITY DURING DAYTIME HOURS WITH GOOD TO EXCELLENT OVERNIGHT  
RECOVERY.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY AND CLEAR.  
MAX TEMPERATURE.....81-84 DEGREES.  
MIN HUMIDITY........35-38 PERCENT.  
EYE LEVEL WINDS.....WEST-NORTHWEST UP TO 6 MPH WITH  
GUSTS TO AROUND 11 MPH IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST-NORTHWEST 5 TO 9 MPH WITH GUSTS  
TO AROUND 15 MPH IN THE AFTERNOON.  
RIDGETOP...........WEST 5-7 MPH INCREASING TO 10-15 MPH IN  
THE AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......INCREASING TO 3200 FT AGL.  
TRANSPORT WINDS.....WEST 6 TO 13 MPH.  
 
TIME (PDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........11 11 11 3 3 3 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............72 77 79 81 83 83 82  
RH..............57 48 44 41 38 39 39  
20 FT WIND DIR..W W W W W W W  
20 FT WIND SPD..3 5 7 8 8 9 9  
20 FT WIND GUST.7 7 8 11 11 12 15  
EYE LVL WND DIR.W W W W W W W  
EYE LVL WND SPD.3 2 3 4 4 5 6  
EYE LVL WND GST.5 5 6 8 8 9 11  
RIDGE WIND DIR..W W W W W W W  
RIDGE WIND SPD..7 7 8 11 11 12 15  
CWR.............0 0 0 0 0 0 0  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
MIN TEMPERATURE.....AROUND 58 DEGREES.  
MAX HUMIDITY........84-87 PERCENT.  
EYE LEVEL WINDS.....WEST WINDS UP TO 6 MPH WITH GUSTS TO AROUND 10  
MPH IN THE EVENING BECOMING LIGHT AND VARIABLE.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 7 MPH WITH GUSTS TO AROUND  
14 MPH IN THE EVENING BECOMING LIGHT AND VARIABLE.  
RIDGETOP...........WEST UP TO 14 MPH DECREASING TO 5-7 MPH OVERNIGHT.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......DECREASING TO 400 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 13 MPH SHIFTING TO THE SOUTHWEST 2 TO  
3 MPH OVERNIGHT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 3 3 3 3 7 7 7 25 25 25 56  
WEATHER COV..... PTY  
WEATHER TYPE.... FOG  
TSTM COV........  
TEMP............81 77 73 70 68 65 64 62 61 60 59 59  
RH..............41 48 53 59 64 69 73 78 81 82 84 83  
20 FT WIND DIR..W W W W W W W SW SW SW SW SW  
20 FT WIND SPD..8 7 6 5 5 3 2 2 1 1 1 1  
20 FT WIND GUST.14 12 11 9 9 8 7 6 6 5 5 5  
EYE LVL WND DIR.W W W W W W W W W SW SW SW  
EYE LVL WND SPD.6 5 4 4 4 3 2 2 1 1 1 1  
EYE LVL WND GST.10 9 8 7 7 6 5 5 4 4 4 4  
RIDGE WIND DIR..W W W W W W W W E NW NW E  
RIDGE WIND SPD..13 11 10 9 9 8 7 6 6 5 5 5  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY SUNNY (10-20 PERCENT). PATCHY FOG IN THE  
MORNING.  
MAX TEMPERATURE.....86-89 DEGREES.  
MIN HUMIDITY........34-37 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST-NORTHWEST UP TO 6 MPH WITH  
GUSTS TO AROUND 11 MPH IN THE AFTERNOON AFTER  
1100 PDT.  
WIND (20 FT)........  
SLOPE/VALLEY.......VARIABLE WINDS BECOMING WEST-NORTHWEST 5 TO 8 MPH  
WITH GUSTS TO AROUND 15 MPH IN THE AFTERNOON.  
RIDGETOP...........VARIABLE WINDS BECOMING WEST-NORTHWEST 8 TO 15 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......INCREASING TO 2800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 1 TO 10 MPH SHIFTING TO THE WEST 12  
TO 13 MPH LATE IN THE AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........56 56 47 47 47 19 19 19 19 19 19 7  
WEATHER COV.....PTY PTY PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG FOG FOG  
TSTM COV........  
TEMP............59 61 64 69 73 77 81 84 86 87 88 87  
RH..............82 78 70 64 57 51 45 39 36 34 34 36  
20 FT WIND DIR..SW SW N SW W W W W W W W W  
20 FT WIND SPD..1 1 0 1 2 3 5 6 7 8 8 8  
20 FT WIND GUST.4 4 4 4 4 7 7 8 12 12 12 15  
EYE LVL WND DIR.SW SW SW SW SW W W W W W W W  
EYE LVL WND SPD.1 1 1 1 1 2 2 3 5 4 5 6  
EYE LVL WND GST.3 3 3 3 3 5 5 6 9 9 9 11  
RIDGE WIND DIR..SW SW SW SW SW W W W W W W W  
RIDGE WIND SPD..4 4 4 4 4 7 7 8 12 12 12 15  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
 
 
FORECASTER...CHANDLER PRICE  
REQUESTED BY...JESSE GONZALEZ  
TYPE OF REQUEST...WILDFIRE  
.TAG 2614825.0/SGX  
.DELDT 06/02/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JHGONZALEZ@SBCFIRE.ORG  
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