575
FNUS76 KEKA 182036
FWSEKA
SPOT FORECAST FOR BIG FLAT RX...FOREST SERVICE
NATIONAL WEATHER SERVICE EUREKA CA
1236 PM PST TUE NOV 18 2025
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
SOUTH WINDS INCREASE AHEAD OF AN APPROACHING FRONTAL
SYSTEM WEDNESDAY, POTENTIALLY BRINGING GUSTS UP TO 20 MPH IN
EXPOSED AREAS. RAIN ARRIVES IN THE EVENING WEDNESDAY, LIKELY AFTER
5PM. THIS SYSTEM WILL MOVE THROUGH QUICKLY BRINGING A 1/2 TO 3/4
OF AN INCH OF RAIN. PRECIPITATION TURNS SHOWERY BY THURSDAY
MORNING AND GRADUALLY TREND DOWN BY THURSDAY AFTERNOON. WINDS ALSO
DIMINISH AND TURN NORTHWESTERLY BY THURSDAY AFTERNOON.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY LATE IN THE
EVENING.
CWR.................20 PERCENT LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........68 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH.
MIXING HEIGHT.......2100 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
TIME (PST) 1PM 2PM 3PM 4PM 5PM
SKY (%).........70 70 70 92 92
WEATHER COV..... CHC CHC
WEATHER TYPE.... RN RN
TSTM COV........
CWR.............0 0 0 20 20
TEMP............54 54 52 51 50
RH..............69 72 76 81 85
20 FT WIND DIR..S S S S S
20 FT WIND SPD..10 10 10 9 9
20 FT WIND GUST.18 18 18 16 16
MIX HGT (KFT)...2.1 2.1 2.1 1.1 1.1
TRANSP WIND DIR.S S S S S
TRANSP WIND SPD.15 15 15 15 15
WEDNESDAY NIGHT
SKY/WEATHER.........RAIN LIKELY.
CWR.................87 PERCENT.
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........94 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 20 MPH.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........92 94 94 94 97 97 97 97 97 97 83 83
WEATHER COV.....LKY LKY LKY LKY DEF DEF DEF DEF DEF DEF CHC CHC
WEATHER TYPE....RN RN RN RN RN RN RN RN RN RN RW RW
TSTM COV........
CWR.............50 50 50 50 90 90 90 90 90 90 10 10
TEMP............48 47 46 46 47 46 45 44 43 42 42 42
RH..............88 93 92 93 94 93 92 91 91 90 90 90
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..9 12 12 12 13 13 13 9 9 9 6 6
20 FT WIND GUST.16 21 21 21 23 23 23 16 16 16 10 10
MIX HGT (KFT)...1.1 0.8 0.8 0.8 1.4 1.4 1.4 1.1 1.1 1.1 1.3 1.3
TRANSP WIND DIR.S S S S S S S S S S SE SE
TRANSP WIND SPD.15 15 15 15 14 14 14 14 14 14 6 6
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING SUNNY. CHANCE OF
RAIN SHOWERS IN THE LATE MORNING AND EARLY
AFTERNOON.
CWR.................11 PERCENT.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........69 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH...SHIFTING TO
THE NORTHWEST AROUND 5 TO 10 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2700 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 6 MPH, NORTHEAST 8 MPH IN
THE LATE MORNING AND AFTERNOON.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........83 77 77 77 63 63 63 63 63 63 19 19
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............10 10 10 10 10 10 10 10 10 10 0 0
TEMP............42 42 43 44 46 48 51 52 52 51 50 48
RH..............90 89 87 84 80 76 72 70 71 74 77 80
20 FT WIND DIR..S SE SE SE E E E NW NW NW NW NW
20 FT WIND SPD..6 5 5 5 5 5 5 7 7 7 7 7
20 FT WIND GUST.10 8 8 8 8 8 8 13 13 13 13 13
MIX HGT (KFT)...1.3 1.1 1.1 1.1 1.7 1.7 1.7 2.7 2.7 2.7 2.0 2.0
TRANSP WIND DIR.SE SE SE SE NE NE NE NE NE NE NE NE
TRANSP WIND SPD.6 6 6 6 7 7 7 7 7 7 8 8
FORECASTER...BOOMSMA
REQUESTED BY...C. PUCKETT
TYPE OF REQUEST...PRESCRIBED
.TAG 2526319.0/EKA
.DELDT 11/18/25
.EMAIL CHRISTOPHER.PUCKETT@USDA.GOV
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