278  
FNUS76 KSTO 041358  
FWSSTO  
 
SPOT FORECAST FOR FI-210 CLASS...CALFIRE  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
658 AM PDT WED JUN 4 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON JUNE 04.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...ELEVATED FIRE WEATHER CONDITIONS IN THE VALLEY WEDNESDAY DUE  
TO HOT, DRY, AND BREEZY CONDITIONS...  
   
DISCUSSION
 
 
HOT, DRY AND SUNNY WEATHER IS EXPECTED ACROSS THE AREA THIS WEEK.  
ELEVATED FIRE CONDITIONS RETURN ON WEDNESDAY WITH BREEZY  
NORTHERLY WINDS AND LOW HUMIDITY. TEMPERATURES WILL APPROACH 100  
DEGREES ON WEDNESDAY WITH RELATIVE HUMIDITY DOWN TO AROUND 10  
PERCENT. TEMPERATURES WILL TREND SLIGHTLY COOLER ON THURSDAY WITH  
RELATIVE HUMIDITY SLIGHTLY HIGHER BUT IT WILL STILL BE HOT AND  
DRY. THERE IS A 80% PROBABILITY OF SUSTAINED WINDS GREATER THAN 15  
MPH ON WEDNESDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....96-100.  
MIN HUMIDITY........10-14 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS 12 TO 18 MPH WITH GUSTS TO AROUND  
29 MPH.  
RIDGETOP...........NORTH AROUND 18 MPH.  
MIXING HEIGHT.......8000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 18 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....62-66.  
MAX HUMIDITY........49-53 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS 5 TO 10 MPH.  
RIDGETOP...........NORTH AROUND 9 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 9 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....94-98.  
MIN HUMIDITY........18-22 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS UP TO 8 MPH.  
RIDGETOP...........SOUTH AROUND 6 MPH.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 6 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
FRIDAY
 
 
CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER 90S. SOUTH WINDS  
AROUND 5 MPH.    
SATURDAY
 
 
CLEAR. LOWS IN THE UPPER 60S. HIGHS AROUND 102. SOUTH WINDS  
AROUND 5 MPH.    
SUNDAY
 
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS AROUND 101. SOUTH  
WINDS AROUND 5 MPH.  
 

 
FORECASTER...KF  
REQUESTED BY...COLLIN KELLY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2515229.2/STO  
.DELDT 06/04/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRIS.NIEL@FIRE.CA.GOV  
 
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