473
FNUS76 KEKA 231331
FWSEKA
SPOT FORECAST FOR DA SECOND GROWTH...US WILDLAND FIRE SERVICE/ NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE EUREKA CA
631 AM PDT WED SEP 23 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
A DEEP MARINE LAYER THIS MORNING WILL DISSOLVE QUICKLY
THIS MORNING LEADING TO A SHARP WARMING AND DRYING FOR TODAY. N. WINDS
WILL BE STRONG DUE AT THE RIDGE TOP WITH GUSTS UP TO 15MPH AT 20FT AGL.
THIS EVENING, A RETURN OF MARINE STRATUS IS EXPECTED FOR THE BURN
SITE BRINGING RH RECOVERIES CLOSE TO 100% AGAIN. THIS WEATHER PATTERN
WILL CONTINUE THROUGH THURSDAY EVENING.
COME THURSDAY NIGHT, A WEAK COLD FRONT WILL PASS OVER THE AREA LEADING
TO A COOL DOWN OF ABOUT 10-15DEG FOR FRIDAY. WINDS WILL RESPOND TO THIS
FRONT BY SHIFTING TO WESTERLIES AND INCREASING SLIGHT TO 25MPH DUE TO
THE MORE UNSTABLE ATMOSPHERE. WETTING RAIN IS LIKELY (~75-80%) FOR THE
BURN SITE OVERNIGHT THURSDAY INTO FRIDAY MORNING, WITH AROUND A 50%
CHANCE OF RAINFALL OVER 0.25".
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......200-1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 9 MPH.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........43 39 39 39 41 41 41 29 29 29 26
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............52 53 55 60 67 68 68 69 68 68 66
RH..............80 80 74 67 54 51 49 49 51 51 56
20 FT WIND DIR..N NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..5 5 5 5 6 6 6 8 8 8 6
20 FT WIND GUST.7 8 8 8 9 9 9 13 13 13 9
MIX HGT (KFT)...0.2 0.2 0.2 0.2 0.6 0.6 0.6 1.0 1.0 1.0 0.7
TRANSP WIND DIR.N N N N NW NW NW NW NW NW N
TRANSP WIND SPD.7 7 7 7 9 9 9 9 9 9 6
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 6 MPH EARLY IN THE
EVENING...BECOMING VARIABLE 1 TO 3 MPH.
MIXING HEIGHT.......200-700 FT AGL.
TRANSPORT WINDS.....NORTH 2 TO 6 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........26 26 18 18 18 22 22 22 25 25 25 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............62 58 55 55 55 56 56 56 56 56 55 55
RH..............60 69 69 69 69 69 69 69 69 66 69 69
20 FT WIND DIR..NW NW NW NW NW NE NE NE NE NE NE NW
20 FT WIND SPD..6 6 2 2 2 1 1 1 1 1 1 1
20 FT WIND GUST.9 9 3 3 3 2 2 2 2 2 2 2
MIX HGT (KFT)...0.7 0.7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
TRANSP WIND DIR.N N N N N N N N N N N NW
TRANSP WIND SPD.6 6 6 6 6 3 3 3 3 3 3 2
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. RAIN
SHOWERS LIKELY LATE IN THE AFTERNOON.
CWR.................9 PERCENT.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........43 PERCENT.
WIND (20 FT)........VARIABLE 2 TO 4 MPH...BECOMING WEST 5 TO 8 MPH
LATE IN THE MORNING, THEN...BECOMING VARIABLE 2
TO 4 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......200-1700 FT AGL.
TRANSPORT WINDS.....WEST 2 TO 8 MPH SOUTHWEST AROUND 8 MPH LATE IN
THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 34 52 52 52 64 64 64 67 67 67 88
WEATHER COV..... LKY
WEATHER TYPE.... RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 10
TEMP............55 54 55 59 64 70 70 70 70 69 69 70
RH..............69 69 64 60 52 42 44 46 47 51 47 51
20 FT WIND DIR..NW NW W W W W W W W W W W
20 FT WIND SPD..1 1 1 1 1 5 5 5 8 8 8 3
20 FT WIND GUST.2 2 2 2 2 7 7 7 13 13 13 6
MIX HGT (KFT)...0.2 0.2 0.2 0.2 0.2 0.6 0.6 0.6 1.4 1.4 1.4 1.7
TRANSP WIND DIR.NW NW NW NW NW W W W W W W SW
TRANSP WIND SPD.2 2 2 2 2 8 8 8 8 8 8 8
FORECASTER...SCHMIEGEL
REQUESTED BY...ELI STEINBERG
TYPE OF REQUEST...PRESCRIBED
.TAG 2622324.2/EKA
.DELDT 09/23/26
.EMAIL ELI_STEINBERG@NPS.GOV,EMMA_MCCLURE@NPS.GOV,JAMES_SCOTT@NPS.GOV
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