979  
FNUS76 KEKA 241403  
FWSEKA  
 
SPOT FORECAST FOR PROSPER PILES...PETROLIA FIRE DEPARTMENT  
NATIONAL WEATHER SERVICE EUREKA CA  
603 AM PST SAT JAN 24 2026  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
IF YOU HAVE QUESTIONS OR CONCERNS REGARDING THIS FORECAST, PLEASE  
CONTACT OUR OFFICE AT (707) 443-6484  
 
PLEASE DO NOT RESPOND DIRECTLY IF YOU HAVE RECEIVED THIS IN AN EMAIL.  
   
DISCUSSION  
MODERATE NORTH WINDS WITH GUSTS TO 20 MPH ARE  
EXPECTED TO CONTINUE TO DIMINISH THROUGH TODAY. WARMER AND DRIER  
AIR WILL SETTLE OVER THE AREA WITH DAYTIME RH DROPPING BACK TO  
AROUND 40 TO 50 PERCENT, THOUGH RH REMAINS UNCERTAIN AND WILL VARY  
HIGHLY WITH ELEVATION. GENTLE WINDS WILL TURN MORE OFFSHORE  
TONIGHT AND INTO SUNDAY. LIGHT WETTING RAIN IS LIKELY (50% CHANCE)  
AROUND MID NEXT WEEK.  
   
TODAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 7 TO 12 MPH.  
MIXING HEIGHT.......300-700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 8 TO 12 MPH.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........9 11 11 11 2 2 2 10 10 10 18 18  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............49 47 48 49 50 52 55 56 57 58 56 56  
RH..............58 58 54 56 54 59 59 57 59 77 80 77  
20 FT WIND DIR..NE NE NE NE NE NE NE N N N N N  
20 FT WIND SPD..10 12 12 12 8 8 8 7 7 7 8 8  
20 FT WIND GUST.15 16 16 16 13 13 13 10 10 10 12 12  
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.5 0.7 0.7 0.7 0.7 0.1  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.12 12 12 12 8 8 8 8 8 8 9 9  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 48.  
MAX HUMIDITY........80 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 8 MPH...SHIFTING TO THE EAST  
6 TO 9 MPH.  
MIXING HEIGHT.......0-200 FT AGL.  
TRANSPORT WINDS.....EAST 8 TO 9 MPHSOUTHEAST AROUND 9 MPH EARLY IN  
THE MORNING.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........18 5 5 5 20 20 20 41 41 41 74 74  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............54 53 53 52 51 52 51 51 51 51 50 50  
RH..............80 80 74 69 63 56 52 42 46 80 80 80  
20 FT WIND DIR..N E E E E E E SE SE SE SE SE  
20 FT WIND SPD..8 9 9 9 8 8 8 6 6 6 6 6  
20 FT WIND GUST.12 15 15 15 13 13 13 9 9 9 9 9  
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.NE NE NE NE E E E E E E SE SE  
TRANSP WIND SPD.9 9 9 9 8 8 8 8 8 8 9 9  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........56 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......0-300 FT AGL INCREASING TO 400-800 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST 9 TO 15 MPH.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........74 78 78 78 76 76 76 86 86 86 96 96  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............50 48 49 49 50 51 53 54 54 54 54 53  
RH..............80 80 80 56 56 59 59 59 59 59 59 61  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..6 8 8 8 9 9 9 10 10 10 10 10  
20 FT WIND GUST.9 12 12 12 14 14 14 16 16 16 15 15  
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.3 0.3 0.1 0.8 0.8 0.8 0.4 0.4  
TRANSP WIND DIR.SE SE SE SE S S S S S S S S  
TRANSP WIND SPD.9 9 9 9 15 15 15 15 15 15 12 12  
   
FORECAST DAYS 3 THROUGH 5  
   
MONDAY  
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID 50S. WINDS  
GENERALLY LESS THAN 5 MPH.    
TUESDAY  
 
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS IN THE UPPER 40S. HIGHS  
IN THE MID 50S. WINDS GENERALLY LESS THAN 5 MPH.    
WEDNESDAY  
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS AROUND 50. HIGHS IN THE MID  
50S. WINDS GENERALLY LESS THAN 5 MPH.  
 
 
FORECASTER...JOHNATHON WHITE  
REQUESTED BY...FIRE CAPTAIN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2600939.4/EKA  
.DELDT 01/24/26  
.EMAIL TRAININGOFFICER@PETROLIAFIRE.ORG  
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