887  
FNUS76 KSTO 150310  
FWSSTO  
 
SPOT FORECAST FOR CHUTE INCIDENT...CAL FIRE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
810 PM PDT TUE JUL 14 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON JULY 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
DRY WEATHER IS EXPECTED TO CONTINUE FOR THE REST OF THE WEEK.  
SUNNY AND HOT WEDNESDAY, WITH AFTERNOON HUMIDITY DROPPING INTO THE  
LOW 20S AND WINDS BECOMING SOUTHWEST WITH GUSTS UP TO 15 MPH IN  
THE AFTERNOON. OVERNIGHT RECOVERY AROUND 60 PERCENT. SUNNY AND  
SLIGHTLY LESS HOT THURSDAY, WITH MINIMUM HUMIDITY DROPPING INTO  
THE UPPER TEENS TO LOWER 20S AND SIMILAR WINDS TO WEDNESDAY.  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....94-98.  
MIN HUMIDITY........21-25 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WEST WINDS BECOMING SOUTHWEST UP TO 5  
MPH LATE IN THE MORNING. SOUTHWEST UP TO 6 MPH  
WITH GUSTS TO 15 MPH IN THE AFTERNOON.  
RIDGETOP...........NORTHEAST AROUND 3 MPH SHIFTING TO THE SOUTHWEST  
8 TO 10 MPH LATE MORNING INTO THE AFTERNOON.  
EAST AROUND 3 MPH SHIFTING TO THE SOUTH 9 TO 14  
MPH LATE IN THE MORNING  
MIXING HEIGHT.......7500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 2 TO 10 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR  
CWR.............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  
TEMP............69 72 77 85 88 90 93 94 94 95 94  
RH..............62 61 47 41 36 34 31 29 27 25 23  
SL/VL WIND DIR..NE W W W SW SW SW SW SW SW SW  
SL/VL WIND SPD..3 2 2 2 5 5 5 6 6 6 5  
SL/VL WIND GUST.7 7 7 7 13 13 13 14 15 14 12  
RIDGE WIND DIR..NE S S S SW SW SW SW SW SW SW  
RIDGE WIND SPD..7 2 2 2 8 8 8 10 10 10 8  
MIX HGT (KFT)...0.5 1.8 1.8 1.8 6.1 6.1 6.1 7.5 7.5 7.5 6.8  
TRANSP WIND DIR.NE S S S SW SW SW SW SW SW SW  
TRANSP WIND SPD.7 2 2 2 8 8 8 10 10 10 8  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....60-64.  
MAX HUMIDITY........56-60 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS UP TO 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT SOUTH AND EAST.  
RIDGETOP...........SOUTHWEST AROUND 10 MPH EARLY EVENING, SOUTH  
AROUND 6 MPH LATE IN THE EVENING, EAST 7 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 6 TO 8 MPH SHIFTING TO THE EAST 6 TO  
7 MPH LATE IN THE EVENING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR  
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............94 92 87 83 79 75 72 70 68 65 64 63  
RH..............23 25 29 33 38 43 47 51 54 56 58 58  
SL/VL WIND DIR..SW SW S S S E E E E E E E  
SL/VL WIND SPD..5 5 2 2 2 2 2 2 2 2 2 2  
SL/VL WIND GUST.12 12 7 7 7 6 6 6 6 6 6 6  
RIDGE WIND DIR..SW SW S S S S S SE SE E E E  
RIDGE WIND SPD..10 10 6 6 6 6 6 6 7 7 7 7  
MIX HGT (KFT)...6.8 6.8 0.6 0.6 0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.5  
TRANSP WIND DIR.SW SW S S S SE SE SE E E E E  
TRANSP WIND SPD.8 8 6 6 6 6 6 6 7 7 7 7  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....90-94.  
MIN HUMIDITY........18-22 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST UP TO 6 MPH BY  
LATE IN THE MORNING, WITH GUSTS TO 14 MPH IN  
THE AFTERNOON.  
RIDGETOP...........SOUTH 7 MPH, BECOMING SOUTHWEST UP TO 14 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 7 MPH SHIFTING TO THE SOUTH 3 TO 7  
MPH EARLY IN THE MORNING, THEN SHIFTING TO THE  
SOUTHWEST AROUND 12 MPH LATE IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR  
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............65 67 70 74 79 83 86 88 90 91 91 90  
RH..............58 57 54 48 41 35 31 27 25 22 20 20  
SL/VL WIND DIR..E E SE SE SE SW SW SW SW SW SW SW  
SL/VL WIND SPD..2 2 1 1 1 5 5 5 6 6 6 5  
SL/VL WIND GUST.6 6 3 3 3 10 10 10 14 14 14 13  
RIDGE WIND DIR..SE SE S S S S S S SW SW S S  
RIDGE WIND SPD..8 7 3 3 3 7 7 7 12 12 12 14  
MIX HGT (KFT)...0.5 0.5 0.7 0.7 0.7 3.4 3.4 3.4 5.6 5.6 5.6 5.1  
TRANSP WIND DIR.E E SE SE SE S S S SW SW SW S  
TRANSP WIND SPD.7 7 3 3 3 7 7 7 12 12 12 12  
 
 
FORECASTER...EK  
REQUESTED BY...ANDREW DANOS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2617387.0/STO  
.DELDT 07/14/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ANDREW.DANOS@FIRE.CA.GOV  
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