851
FNUS76 KEKA 271304
FWSEKA
SPOT FORECAST FOR MRF5B_789...USFS SRF MAD RIVER
NATIONAL WEATHER SERVICE EUREKA CA
604 AM PDT MON APR 27 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
AN UPPER TROUGH OVER THE AREA WILL CONTINUE TO BRING
COOL TEMPERATURES, HIGH HUMIDITY AND A CHANCE FOR AFTERNOON SHOWERS
TODAY. LESS THAN A TENTH OF AN INCH OF RAIN IS EXPECTED THIS AFTERNOON
AND EARLY EVENING. WINDS WILL REMAIN LIGHT AND VARIABLE IN THE MORNING
AND UPSLOPE/UPVALLEY AROUND 5 MPH IN THE AFTERNOONS. A WARMING AND
DRYING TREND IS EXPECTED TO START ON TUESDAY.
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
CWR.................15 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........57 PERCENT.
WIND (20 FT)........VARIABLE 2 TO 3 MPH...BECOMING SOUTHWEST AROUND
5 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1500-2000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 3 MPH, THEN NORTHWEST AROUND 7 MPH IN
THE AFTERNOON.
EYE LEVEL WINDS.....VARIABLE 1 TO 2 MPH...BECOMING SOUTHWEST AROUND
3 MPH LATE IN THE AFTERNOON.
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........36 36 36 60 60 60 64 64 64 63
WEATHER COV..... CHC CHC CHC CHC CHC CHC SCH
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........
CWR.............0 0 0 10 10 10 10 10 10 10
TEMP............38 39 44 48 51 53 54 54 54 55
RH..............100 100 86 71 61 57 57 57 59 59
20 FT WIND DIR..NE NE NE SW SW SW SW SW SW NW
20 FT WIND SPD..1 1 1 6 6 6 6 6 6 1
20 FT WIND GUST. 7 7 7 7 7 7
EYE LVL WND DIR.NE NE NE SW SW SW SW SW SW NW
EYE LVL WND SPD.1 1 1 4 4 4 4 4 4 1
EYE LVL WND GST.
MIX HGT (KFT)...1.0 1.0 1.0 2.7 2.7 2.7 2.9 2.9 2.9 2.2
TRANSP WIND DIR.E E E W W W W W W NW
TRANSP WIND SPD.3 3 3 7 7 7 7 7 7 7
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
EVENING.
CWR.................10 PERCENT EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........VARIABLE 1 TO 3 MPH...BECOMING NORTH AROUND 5
MPH LATE IN THE EVENING, THEN...BECOMING
VARIABLE 1 TO 2 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......800-1200 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH, THEN EAST 3 TO 5 MPH LATE IN
THE EVENING.
EYE LEVEL WINDS.....VARIABLE 1 TO 3 MPH...BECOMING NORTH AROUND 3
MPH LATE IN THE EVENING, THEN...BECOMING
VARIABLE 1 TO 2 MPH AFTER MIDNIGHT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........63 63 57 57 57 16 16 16 7 7 7 11
WEATHER COV.....SCH SCH
WEATHER TYPE....RW RW
TSTM COV........
CWR.............10 10 10 10 10 0 0 0 0 0 0 0
TEMP............53 52 50 46 45 43 41 41 40 39 39 39
RH..............61 66 77 86 93 96 96 100 100 100 100 100
20 FT WIND DIR..NW NW N N N N N N N N N N
20 FT WIND SPD..1 1 3 3 3 5 5 5 2 2 2 1
20 FT WIND GUST. 7 7 7 3 3 3
EYE LVL WND DIR.NW NW N N N N N N N N N N
EYE LVL WND SPD.1 1 2 2 2 3 3 3 1 1 1 1
EYE LVL WND GST. 4 4 4 2 2 2
MIX HGT (KFT)...2.2 2.2 1.5 1.5 1.5 0.8 0.8 0.8 0.8 0.8 0.8 0.8
TRANSP WIND DIR.NW NW NW NW NW E E E E E E E
TRANSP WIND SPD.7 7 7 7 7 5 5 5 5 5 5 3
TUESDAY
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........VARIABLE 1 TO 3 MPH...BECOMING SOUTHWEST 5 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......1000-2200 FT AGL.
TRANSPORT WINDS.....EAST AROUND 3 MPH, THEN NORTHWEST 5 TO 6 MPH LATE IN
THE MORNING.
EYE LEVEL WINDS.....VARIABLE 1 TO 3 MPH...BECOMING SOUTHWEST UP TO
4 MPH EARLY IN THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 11 11 11 11 2 2 2 11 11 11 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............37 39 40 43 49 54 58 61 62 63 63 62
RH..............100 100 100 93 77 59 47 41 41 41 44 48
20 FT WIND DIR..N N NE NE NE SW SW SW SW SW SW W
20 FT WIND SPD..1 1 1 1 1 3 3 3 6 6 6 5
20 FT WIND GUST. 5 5 5 8 8 8 7
EYE LVL WND DIR.N N NE NE NE SW SW SW SW SW SW W
EYE LVL WND SPD.1 1 1 1 1 2 2 2 4 4 4 3
EYE LVL WND GST. 3 3 3 5 5 5 4
MIX HGT (KFT)...0.8 0.8 0.7 0.7 0.7 2.2 2.2 2.2 4.2 4.2 4.2 2.4
TRANSP WIND DIR.E E E E E NW NW NW NW NW NW NW
TRANSP WIND SPD.3 3 3 3 3 5 5 5 5 5 5 6
FORECASTER...DB
REQUESTED BY...ADAM KUNCE
TYPE OF REQUEST...PRESCRIBED
.TAG 2611782.0/EKA
.DELDT 04/27/26
.EMAIL SETH.TOERPE@USDA.GOV,ADAM.KUNCE@USDA.GOV,CHARLES.HAIR@USDA.GOV,JAMIE.WILLBURN@USDA.GOV
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