977
FNUS76 KEKA 041342
FWSEKA
SPOT FORECAST FOR MP 18 FIRE...NCIMT
NATIONAL WEATHER SERVICE EUREKA CA
642 AM PDT FRI SEP 4 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 FEW RAIN SHOWERS ARE POSSIBLE LATE THIS MORNING
AND AFTERNOON. WETTING RAIN IS UNLIKELY UNLESS AN ESPECIALLY
STRONG SHOWER DEVELOPS OVER THE HIGHER TERRAIN. THUNDERSTORM
CHANCES HAVE DIMINISHED, BUT STILL HOLD AT AROUND 5%. RAIN
CHANCES DECREASE SATURDAY, BUT ANOTHER PASSING SYSTEM ON SUNDAY
COULD BRING A FEW SHOWERS TO THE AREA ONCE AGAIN. CONDITIONS WILL
DRY OUT EARLY NEXT WEEK. THE NEXT CHANCE OF RAIN WILL BE FROM
MOISTURE STREAMING NORTHEAST FROM A DECAYING TROPICAL SYSTEM MID
TO LATE WEEK.
TODAY
SKY/WEATHER.........ISOLATED RAIN SHOWERS.
CWR.................6 PERCENT.
MAX TEMPERATURE.....52-68.
MIN HUMIDITY........64-74 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH...SHIFTING TO THE
SOUTHWEST LATE IN THE MORNING.
MIXING HEIGHT.......2000-2500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 6 TO 8 MPH, WEST AROUND 5 MPH LATE IN
THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........44 44 47 47 47 55 55 55 57 57 57 51
WEATHER COV..... ISO ISO ISO ISO ISO ISO ISO
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............48 46 49 53 57 60 60 60 60 60 60 60
RH..............78 78 73 70 71 67 67 67 68 69 70 73
20 FT WIND DIR..S S S S S SW SW SW W W W W
20 FT WIND SPD..7 7 5 5 5 6 6 6 6 6 6 7
20 FT WIND GUST.8 8 8 8 8 8 8 8 13 13 13 9
MIX HGT (KFT)...0.4 0.4 1.1 1.1 1.1 2.0 2.0 2.0 2.3 2.3 2.3 1.5
TRANSP WIND DIR.S S S S S SW SW SW SW SW SW W
TRANSP WIND SPD.6 6 6 6 6 8 8 8 8 8 8 5
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CWR.................4 PERCENT.
MIN TEMPERATURE.....45-48.
MAX HUMIDITY........75-95 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH EARLY IN THE
EVENING...BECOMING VARIABLE 1 TO 3 MPH.
MIXING HEIGHT.......300-500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 5 MPHNORTHEAST AROUND 2 MPH LATE IN
THE EVENING.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 51 46 46 46 24 24 24 24 24 24 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............58 56 53 50 50 50 49 49 49 48 48 47
RH..............77 78 78 77 75 73 73 70 73 75 78 80
20 FT WIND DIR..W W W W W E E E E E E E
20 FT WIND SPD..7 7 3 3 3 3 3 3 3 3 3 3
20 FT WIND GUST.9 9 5 5 5 6 6 6 6 6 6 7
MIX HGT (KFT)...1.5 1.5 0.5 0.5 0.5 0.3 0.3 0.3 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W W W W NE NE NE NE NE NE E
TRANSP WIND SPD.5 5 5 5 5 2 2 2 2 2 2 2
SATURDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....63-75.
MIN HUMIDITY........43-59 PERCENT.
WIND (20 FT)........WEST 6 TO 10 MPH.
MIXING HEIGHT.......3000-3500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 2 MPH, SOUTHWEST AROUND 6 MPH LATE IN
THE MORNING, THEN WEST AROUND 7 MPH LATE IN THE
AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........7 7 8 8 8 1 1 1 3 3 3 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............47 47 48 51 56 59 62 63 64 63 63 64
RH..............80 78 75 69 66 64 61 59 61 62 64 67
20 FT WIND DIR..E E NE NE NE W W W NW NW NW NW
20 FT WIND SPD..3 3 3 3 3 4 4 6 6 6 6 9
20 FT WIND GUST.7 7 7 7 7 7 7 12 12 12 12 12
MIX HGT (KFT)...0.4 0.4 1.0 1.0 1.0 2.7 2.7 2.7 3.4 3.4 3.4 1.6
TRANSP WIND DIR.E E E E E SW SW SW SW SW SW W
TRANSP WIND SPD.2 2 2 2 2 6 6 6 6 6 6 7
FORECAST DAYS 3 THROUGH 5
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS NEAR 50. HIGHS
59 TO 71. WEST WINDS 5 TO 10 MPH.
LABOR DAY
MOSTLY CLEAR. LOWS NEAR 50. HIGHS 66 TO 78. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS 70 TO 81. WEST WINDS 5 TO 10 MPH.
FORECASTER...BOOMSMA
REQUESTED BY...COLLIN EWING
TYPE OF REQUEST...WILDFIRE
.TAG 2621104.0/EKA
.DELDT 09/04/26
.EMAIL 2026.MP18.PLANS@FIRENET.GOV
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