425  
FNUS76 KEKA 141337  
FWSEKA  
 
SPOT FORECAST FOR BIG FLAT RX...USFS  
NATIONAL WEATHER SERVICE EUREKA CA  
637 AM PDT TUE APR 14 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  
 
   
WEDNESDAY  
A QUICK-PASSING FRONT WILL INCREASE SOUTHERLY WINDS  
AND WILL BRING A WETTING RAIN WEDNESDAY. EXPECT WIND GUST 20 TO  
25 MPH, WITH GUSTS UP TO 30 MPH OVER THE HIGHER RIDGES LATE IN  
THE MORNING/EARLY AFTERNOON. RAINFALL TOTALS WILL RANGE FROM A  
LOWER- END AMOUNT OF 1 INCH, TO AS HIGH AS 1.5 INCH. WINDS QUICKLY  
EASE WEDNESDAY EVENING AS RAIN CHANCES END. WEDNESDAY NIGHT AND  
THURSDAY MORNING WILL BE MUCH COOLER BEHIND THE FRONT.  
 
SKY/WEATHER.........RAIN SHOWERS, THEN CHANCE OF RAIN SHOWERS LATE  
IN THE AFTERNOON.  
CWR.................99 PERCENT DECREASING TO 6 PERCENT.  
MAX TEMPERATURE.....47 TO 53.  
MIN HUMIDITY........70 TO 76 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 7 MPH WITH GUSTS TO AROUND  
24 MPH...SHIFTING TO THE WEST 5 TO 8 MPH WITH  
GUSTS TO AROUND 25 MPH EARLY IN THE AFTERNOON.  
MIXING HEIGHT.......1700-1900 FT AGL INCREASING TO 4100-4500 FT  
AGL EARLY IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH NORTHWEST 13 TO 15 MPH  
LATE IN THE MORNING.  
 
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........100 100 100 100 92 92 92 92 92 92 55  
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............100 100 100 100 80 80 80 80 80 80 10  
TEMP............45 45 45 47 49 50 51 51 51 51 50  
RH..............93 93 93 93 93 89 89 86 80 74 71  
20 FT WIND DIR..S S S S SW SW SW W W W NW  
20 FT WIND SPD..7 7 7 7 7 7 7 7 7 7 6  
20 FT WIND GUST.9 21 21 21 24 24 24 20 20 20 17  
MIX HGT (KFT)...1.8 1.7 1.7 1.7 1.9 1.9 1.9 4.1 4.1 4.1 4.5  
TRANSP WIND DIR.S S S S W W W W W W NW  
TRANSP WIND SPD.20 20 20 20 13 13 13 13 13 13 15  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR.  
CHANCE OF RAIN SHOWERS IN THE EVENING. AREAS OF  
FROST EARLY IN THE MORNING.  
CWR.................6 PERCENT.  
MIN TEMPERATURE.....AROUND 34.  
MAX HUMIDITY........77 TO 84 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH WITH GUSTS TO AROUND  
17 MPH IN THE EVENING...BECOMING VARIABLE 1 TO  
3 MPH.  
MIXING HEIGHT.......4100-4500 FT AGL DECREASING TO 2000-2400 FT AGL  
LATE IN THE EVENING.  
TRANSPORT WINDS.....NORTHWEST 8 TO 15 MPH NORTHEAST AROUND 13 MPH  
EARLY IN THE MORNING.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........55 55 55 55 55 16 16 16 19 19 19 18  
WEATHER COV.....CHC CHC CHC CHC CHC ARS  
WEATHER TYPE....RW RW RW RW RW FST  
TSTM COV........  
CWR.............10 10 10 10 10 0 0 0 0 0 0 0  
TEMP............48 46 44 42 40 39 38 37 36 35 34 34  
RH..............71 76 79 82 82 85 85 85 82 82 82 82  
20 FT WIND DIR..NW NW NW NW NW N N N N N N NE  
20 FT WIND SPD..6 6 5 5 5 2 2 2 2 2 2 2  
20 FT WIND GUST.17 17 14 14 14 9 9 9 7 7 7 7  
MIX HGT (KFT)...4.5 4.5 4.1 4.1 4.1 2.2 2.2 2.2 2.4 2.4 2.4 2.0  
TRANSP WIND DIR.NW NW NW NW NW N N N N N N NE  
TRANSP WIND SPD.15 15 15 15 15 8 8 8 8 8 8 13  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY. AREAS OF FROST IN THE MORNING.  
CWR.................3 PERCENT.  
MAX TEMPERATURE.....55 TO 60.  
MIN HUMIDITY........43 PERCENT.  
WIND (20 FT)........VARIABLE 2 TO 5 MPH...BECOMING NORTH 5 TO 9 MPH  
WITH GUSTS TO AROUND 24 MPH LATE IN THE  
MORNING.  
MIXING HEIGHT.......2000-3000 FT AGL INCREASING TO 4800-6000 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....NORTH 12 TO 13 MPH.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........18 18 13 13 13 2 2 2 3 3 3 5  
WEATHER COV.....ARS ARS ARS ARS ARS  
WEATHER TYPE....FST FST FST FST FST  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............34 35 37 41 46 51 55 57 59 60 59 57  
RH..............78 75 70 62 51 44 41 42 44 44 46 51  
20 FT WIND DIR..NE NE NE NE NE N N N N N N NW  
20 FT WIND SPD..2 2 2 2 2 5 5 5 9 9 9 8  
20 FT WIND GUST.7 7 9 9 9 16 16 16 23 23 23 24  
MIX HGT (KFT)...2.0 2.0 3.0 3.0 3.0 5.0 5.0 5.0 6.0 6.0 6.0 4.8  
TRANSP WIND DIR.NE NE NE NE NE N N N N N N N  
TRANSP WIND SPD.13 13 13 13 13 12 12 12 12 12 12 12  
 
 
FORECASTER...WOOD  
REQUESTED BY...C.PUCKETT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610282.0/EKA  
.DELDT 04/14/26  
.EMAIL CHRISTOPHER.PUCKETT@USDA.GOV  
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