410  
FNUS76 KEKA 151418  
FWSEKA  
 
SPOT FORECAST FOR BIG FLAT RX...FOREST SERVICE  
NATIONAL WEATHER SERVICE EUREKA CA  
718 AM PDT WED APR 15 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
 
TEMPERATURES WILL TURN WARMER AND DRY THROUGH THE  
END OF THE WEEK AS HIGH PRESSURE BUILDS IN. NORTHERLY WINDS WILL  
BE BREEZY THURSDAY, WITH SOME GUSTS TO 25 MPH POSSIBLE. WINDS TURN  
LIGHT FRIDAY. CHANCES FOR RAINFALL INCREASE THROUGH THE WEEKEND  
FROM A CUTOFF AREA OF LOW PRESSURE. THE PROXIMITY OF THE LOW TO  
THE COAST WILL DETERMINE HOW MUCH RAINFALL IS RECEIVED, AND THAT  
IS UNCERTAIN AT THIS TIME.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY. AREAS OF FROST EARLY IN THE MORNING,  
THEN PATCHY FROST EARLY IN THE MORNING.  
CWR.................1 PERCENT.  
MAX TEMPERATURE.....54 TO 58.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........VARIABLE 2 TO 4 MPH...BECOMING NORTH AROUND 8  
MPH WITH GUSTS TO AROUND 21 MPH EARLY IN THE  
AFTERNOON.  
MIXING HEIGHT.......2400-3300 FT AGL INCREASING TO 5800-7100 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....NORTHEAST 13 TO 14 MPH.  
 
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........8 8 8 8 2 2 2 3 3 3 2  
WEATHER COV.....ARS PTY PTY PTY  
WEATHER TYPE....FST FST FST FST  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0  
TEMP............35 37 41 45 49 52 54 56 57 58 57  
RH..............75 70 57 51 46 43 43 43 43 45 49  
20 FT WIND DIR..NE NE NE NE N N N N N N N  
20 FT WIND SPD..2 2 2 2 3 3 3 8 8 8 8  
20 FT WIND GUST.3 9 9 9 15 15 15 20 20 20 21  
MIX HGT (KFT)...2.4 3.3 3.3 3.3 5.8 5.8 5.8 7.1 7.1 7.1 6.2  
TRANSP WIND DIR.NE NE NE NE N N N N N N NE  
TRANSP WIND SPD.14 14 14 14 14 14 14 14 14 14 13  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........65 TO 74 PERCENT.  
WIND (20 FT)........NORTH WINDS 6 TO 9 MPH WITH GUSTS TO AROUND 21  
MPH IN THE EVENING...BECOMING VARIABLE 2 TO 5  
MPH.  
MIXING HEIGHT.......6200 FT AGL DECREASING TO 2100-3000 FT AGL  
EARLY IN THE EVENING.  
TRANSPORT WINDS.....NORTHEAST 10 TO 13 MPH EAST AROUND 8 MPH EARLY  
IN THE MORNING.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........2 2 2 2 2 2 2 2 8 8 8 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............55 52 49 46 44 42 40 39 38 37 36 36  
RH..............53 56 63 68 70 73 76 76 76 76 75 72  
20 FT WIND DIR..N N N N N NE NE NE NE NE NE E  
20 FT WIND SPD..8 8 6 6 6 3 3 3 3 3 3 3  
20 FT WIND GUST.21 21 16 16 16 12 12 12 9 9 9 9  
MIX HGT (KFT)...6.2 6.2 3.0 3.0 3.0 2.1 2.1 2.1 2.1 2.1 2.1 2.1  
TRANSP WIND DIR.NE NE NE NE NE E E E E E E E  
TRANSP WIND SPD.13 13 13 13 13 10 10 10 10 10 10 8  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....61 TO 65.  
MIN HUMIDITY........38 TO 42 PERCENT.  
WIND (20 FT)........VARIABLE 1 TO 3 MPH...BECOMING NORTHWEST AROUND  
5 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......2000-2100 FT AGL INCREASING TO 4000-5300 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....EAST AROUND 8 MPH NORTHEAST AROUND 5 MPH LATE  
IN THE MORNING.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 6 23 23 23 16 16 16 39 39 39 46  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............36 37 40 45 51 56 60 63 64 65 64 62  
RH..............70 67 62 53 46 42 39 40 41 43 48 54  
20 FT WIND DIR..E E E E E N N N NW NW NW NW  
20 FT WIND SPD..3 3 2 2 2 1 1 1 3 3 3 5  
20 FT WIND GUST.9 9 8 8 8 5 5 5 9 9 9 10  
MIX HGT (KFT)...2.1 2.1 2.0 2.0 2.0 4.2 4.2 4.2 5.3 5.3 5.3 4.0  
TRANSP WIND DIR.E E E E E NW NW NW NW NW NW NW  
TRANSP WIND SPD.8 8 8 8 8 5 5 5 5 5 5 5  
 

 
FORECASTER...WOOD  
REQUESTED BY...USFS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610421.0/EKA  
.DELDT 04/15/26  
.EMAIL CHRISTOPHER.PUCKETT@USDA.GOV  
 
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