881  
FNUS76 KSTO 090201  
FWSSTO  
 
SPOT FORECAST FOR FLAT INCIDENT...CAL FIRE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
701 PM PDT SAT AUG 8 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON AUGUST 09.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT SUNDAY  
 
   
DISCUSSION  
 
HOT AND DRY CONDITIONS ARE EXPECTED TO CONTINUE THROUGH SUNDAY,  
THEN HIGH TEMPERATURES GRADUALLY TREND LOWER THROUGH THE WEEK. A  
HEAT ADVISORY REMAINS IN EFFECT THROUGH 10PM SUNDAY, DUE TO TRIPLE  
DIGIT HIGHS AND LITTLE OVERNIGHT TEMPERATURE RELIEF. WINDS SUNDAY  
START LIGHT FROM THE EAST THEN SHIFT TO THE SOUTHWEST IN THE  
AFTERNOON UP TO 5 MPH, WITH GUSTS TO 12 MPH, THEN STEADILY  
DECREASE IN THE EVENING, BECOMING LIGHT DOWNSLOPE/DOWNCANYON  
OVERNIGHT. A SIMILAR TREND IN THE WINDS IS EXPECTED FOR MONDAY.  
OVERNIGHT HUMIDITY RECOVERY TONIGHT AND MONDAY NIGHT WILL BE POOR,  
AROUND 40 PERCENT, WITH DAY-TIME HUMIDITY DROPPING INTO THE UPPER  
TEENS BY LATE AFTERNOON.  
 
   
SUNDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....98-100.  
MIN HUMIDITY........17-19 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 2 TO 5 MPH IN  
THE AFTERNOON WITH GUSTS UP TO 12 MPH IN THE  
MID-AFTERNOON.  
RIDGETOP...........SOUTHWEST AROUND 11 MPH.  
MIXING HEIGHT.......6500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....66-70.  
MAX HUMIDITY........38-42 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........SOUTHEAST AROUND 10 MPH.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
MONDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....92-96.  
MIN HUMIDITY........16-20 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST UP TO 5 MPH IN  
THE AFTERNOON WITH GUSTS TO 14 MPH IN THE  
MID-AFTERNOON.  
RIDGETOP...........SOUTHWEST AROUND 13 MPH.  
MIXING HEIGHT.......5900 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
 
FORECASTER...EK  
REQUESTED BY...MORGAN MOORE  
TYPE OF REQUEST...WILDFIRE  
.TAG 2619268.0/STO  
.DELDT 08/08/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MORGAN.MOORE@FIRE.CA.GOV  
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