102  
FNUS76 KSTO 180335  
FWSSTO  
 
SPOT FORECAST FOR RED BLUFF VM RX...USFS  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
835 PM PDT SUN MAY 17 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON MAY 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT MONDAY
 
   
..WIND ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING
 
 
   
DISCUSSION
 
 
CONTINUED VERY DRY CONDITIONS AND WARMING TEMPERATURES ARE  
EXPECTED AT THE SITE TUESDAY THROUGH THE REMAINDER OF THE WEEK.  
DAYTIME MINIMUM RHS WILL REMAIN IN THE SINGLE DIGITS TO LOW TEENS,  
WITH THE LOWEST MIN RHS OF THE WEEK TUESDAY-THURSDAY. 20 FT WINDS  
WILL BE SUBSTANTIALLY WEAKER COMPARED TO THOSE ON SUNDAY- MONDAY,  
WITH SLOPE/VALLEY WINDS BELOW 10 MPH OUT OF THE NORTH ON TUESDAY.  
MIDFLAME WINDS WILL BE BETWEEN 2 TO 5 MPH THROUGH THE PERIOD.  
HIGH TEMPERATURES BEGIN TO RAMP UP INTO THE LOW 90S TUESDAY,  
INCREASING INTO THE MID TO UPPER 90S BY WEDNESDAY. THIS IS  
EXPECTED TO BRING ELEVATED FIRE WEATHER CONDITIONS BACK TO THE  
VALLEY THROUGH AT LEAST MIDWEEK. NO PRECIPITATION IS EXPECTED OVER  
THE NEXT 7 DAYS.  
 
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....88-92.  
MIN HUMIDITY........7-11 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS 5 TO 8 MPH.  
RIDGETOP...........NORTH AROUND 8 MPH.  
MIXING HEIGHT.......7300 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 9 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....57-61.  
MAX HUMIDITY........42-46 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS UP TO 5 MPH IN THE EVENING  
BECOMING LIGHT.  
RIDGETOP...........NORTH AROUND 7 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 7 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....94-98.  
MIN HUMIDITY........7-11 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........WEST AROUND 12 MPH.  
MIXING HEIGHT.......6600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
 
CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 100. LIGHT WINDS.    
FRIDAY
 
 
CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER 90S. LIGHT WINDS.    
SATURDAY
 
 
CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID 90S. LIGHT WINDS.    
SUNDAY
 
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE MID 90S.    
MEMORIAL DAY
 
 
MOSTLY CLEAR. LOWS AROUND 60.  
 

 
FORECASTER...KF  
REQUESTED BY...BRAD TOVAR  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613580.0/STO  
.DELDT 05/18/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JACOB.KURKO@USDA.GOV,BRADFORD.TOVAR@USDA.GOV,THERESA.SCHAFFNER@USDA.GOV  
 
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