077  
FNUS76 KSGX 010020  
FWSSGX  
 
SPOT FORECAST FOR NEVADA BDU-8233...CAL FIRE / SAN BERNARDINO UNIT  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
520 PM PDT SUN MAY 31 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON MAY 31.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
WINDS CURRENTLY OUT OF THE SOUTHEAST GUSTING TO AROUND 15-18 MPH,  
WILL SHIFT MORE SOUTH/SOUTHWESTERLY THROUGH THE EVENING AND REMAIN  
GUSTY WITH INTERMITTENT 20FT WIND GUSTS TO 20 MPH UNTIL MIDNIGHT.  
THEREAFTER, LIGHTER WINDS GENERALLY 10 MPH OR LESS OUT OF THE  
SOUTH OR SOUTHWEST INTO LATE MONDAY MORNING WHEN GUSTS UP TO 20  
MPH PICK UP ONCE AGAIN. TEMPERATURES REMAIN HOT TOMORROW WITH  
CLEAR SKIES AND HIGHS IN THE MID 80S. MIN RH ONCE AGAIN IN THE LOW  
TEENS TO SINGLE DIGITS FOR MONDAY AFTERNOON, WITH POOR OVERNIGHT  
RECOVERY TONIGHT AROUND 45%. WINDS WILL BE LIGHTER TUESDAY BUT  
TEMPERATURES/HUMIDITY WILL BE SIMILAR.  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........48 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 7 MPH. GUSTS UP TO 15 MPH  
EARLY IN THE EVENING.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH  
EARLY IN THE EVENING.  
RIDGETOP...........SOUTH 10 TO 15 MPH SHIFTING TO THE SOUTHWEST 5  
TO 10 MPH LATE IN THE EVENING.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 10 MPH.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........2 2 3 3 3 1 1 1 2 2 2 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............80 76 71 68 65 64 62 61 60 59 58 58  
RH..............19 24 31 37 41 44 43 44 46 48 47 48  
20 FT WIND DIR..S S S S S SW S S SW SW SW SW  
20 FT WIND SPD..9 10 9 8 7 5 5 5 5 5 5 5  
20 FT WIND GUST.15 17 15 14 11 9 9 10 9 9 9 9  
EYE LVL WND DIR.S S S S S SW S S SW SW SW SW  
EYE LVL WND SPD.6 7 6 6 4 4 4 4 4 4 4 4  
EYE LVL WND GST.11 12 11 10 8 7 7 7 7 7 7 7  
RIDGE WIND DIR..S S S SW SW S W SW S SW SW S  
RIDGE WIND SPD..15 15 10 10 10 5 10 10 5 5 5 5  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
MONDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........11 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH EARLY IN THE  
MORNING BECOMING LIGHT, THEN BECOMING SOUTH UP  
TO 9 MPH WITH GUSTS TO AROUND 14 MPH LATE IN  
THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
MORNING BECOMING LIGHT, THEN BECOMING SOUTH 5  
TO 13 MPH WITH GUSTS TO AROUND 20 MPH LATE IN  
THE MORNING.  
RIDGETOP...........SOUTH 0 TO 5 MPH INCREASING TO 10 TO 15 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......7300 FT AGL.  
TRANSPORT WINDS.....SOUTH 2 TO 9 MPH INCREASING TO 12 TO 14 MPH IN  
THE AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 4 2 2 2 3 3 3 8 8 8 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............57 63 68 71 77 79 81 82 83 84 83 82  
RH..............47 41 33 29 24 23 20 15 11 11 12 15  
20 FT WIND DIR..SW SW S S SE S S S S S S S  
20 FT WIND SPD..5 3 1 1 2 5 7 9 12 12 12 13  
20 FT WIND GUST.9 8 5 4 6 10 12 15 18 18 18 20  
EYE LVL WND DIR.SW SW S S SE S S S S S S S  
EYE LVL WND SPD.4 3 1 1 1 4 5 6 8 9 9 9  
EYE LVL WND GST.7 6 4 3 4 7 9 11 13 13 13 14  
RIDGE WIND DIR..SW SW S S SE S S S S S S S  
RIDGE WIND SPD..5 5 5 0 5 10 15 15 15 15 15 10  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
MONDAY NIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........44 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 9 MPH. GUSTS UP TO 15 MPH  
IN THE EVENING AND OVERNIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 6 TO 13 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING AND OVERNIGHT.  
RIDGETOP...........SOUTH AROUND 10 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTH 8 TO 14 MPH.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 3 3 3 3 2 2 2 2 2 2 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............80 76 71 68 65 63 62 61 60 59 59 58  
RH..............21 24 31 37 41 44 42 41 42 42 42 43  
20 FT WIND DIR..S S S S S S S S S S S SW  
20 FT WIND SPD..13 13 12 10 10 9 8 8 8 7 7 6  
20 FT WIND GUST.20 20 18 18 17 15 15 14 14 12 11 11  
EYE LVL WND DIR.S S S S S S S S S S S SW  
EYE LVL WND SPD.9 9 8 7 7 6 6 6 6 5 4 4  
EYE LVL WND GST.14 14 13 13 12 11 11 10 10 9 8 8  
RIDGE WIND DIR..S S S S S S S S S S S S  
RIDGE WIND SPD..10 10 10 10 10 10 10 10 10 10 10 10  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
 
 
FORECASTER...SAMANTHA ZUBER  
REQUESTED BY...ERIK HOSTETTER BC  
TYPE OF REQUEST...WILDFIRE  
.TAG 2614728.0/SGX  
.DELDT 05/31/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ERIK.HOSTETTER@FIRE.CA.GOV  
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