887
FNUS76 KEKA 122118
FWSEKA
SPOT FORECAST FOR MP 18 FIRE...NCIMT
NATIONAL WEATHER SERVICE EUREKA CA
218 PM PDT SAT SEP 12 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
ISOLATED RAIN SHOWERS ARE POSSIBLE TONIGHT INTO
SUNDAY MORNING WITH AROUND A 50% CHANCE FOR MEASURABLE RAIN. THE
CHANCE FOR WETTING RAIN (OVER 0.10") IS AROUND 30%. RAIN WILL BE
GENERALLY LIGHT, SHOULD ANY FALL. A WARMING AND DRYING TREND
BEGINS SUNDAY AND CONTINUES INTO MUCH OF THE FOLLOWING WEEK.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
ISOLATED RAIN SHOWERS LATE IN THE EVENING.
CWR.................0 PERCENT.
MIN TEMPERATURE.....47-50
MAX HUMIDITY........84-91 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH...SHIFTING TO THE
SOUTH 5 TO 10 MPH LATE IN THE EVENING.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 9 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........45 45 55 55 55 55 55 55 71 71 71 67
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............57 56 51 50 50 49 50 49 49 49 48 48
RH..............74 75 78 78 77 77 76 76 79 82 81 82
20 FT WIND DIR..W W SW SW SW S S S S S S S
20 FT WIND SPD..10 10 7 7 7 9 9 9 8 8 8 6
20 FT WIND GUST.16 16 13 13 13 14 14 14 14 14 14 9
MIX HGT (KFT)...2.3 2.3 1.0 1.0 1.0 0.6 0.6 0.6 0.4 0.4 0.4 0.2
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.9 9 9 9 9 8 8 8 8 8 8 5
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING SUNNY. ISOLATED RAIN
SHOWERS IN THE MORNING AND EARLY AFTERNOON.
CWR.................30 PERCENT.
MAX TEMPERATURE.....61-74.
MIN HUMIDITY........47-59 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH EARLY IN THE
MORNING...BECOMING NORTHWEST 5 TO 10 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH, NORTHWEST AROUND 8 MPH
LATE IN THE MORNING.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........67 67 54 54 54 47 47 47 30 30 30 11
WEATHER COV.....ISO ISO ISO ISO ISO ISO ISO ISO
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............30 30 30 30 30 30 30 30 0 0 0 0
TEMP............48 47 49 51 54 56 59 60 62 62 62 61
RH..............81 83 78 73 69 65 65 63 60 59 59 68
20 FT WIND DIR..S S S S S W W W NW NW NW NW
20 FT WIND SPD..6 6 4 4 4 7 7 7 9 9 9 10
20 FT WIND GUST.9 9 6 6 6 10 10 10 13 13 13 16
MIX HGT (KFT)...0.2 0.2 0.3 0.3 0.3 2.3 2.3 2.3 4.1 4.1 4.1 3.0
TRANSP WIND DIR.SW SW SW SW SW NW NW NW NW NW NW N
TRANSP WIND SPD.5 5 5 5 5 8 8 8 8 8 8 8
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....47-50.
MAX HUMIDITY........79-93 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH...SHIFTING TO THE
NORTHEAST 5 TO 10 MPH LATE IN THE EVENING.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 8 MPH INCREASING TO AROUND 10
MPH EARLY IN THE MORNING.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........11 11 12 12 12 7 7 7 7 7 7 8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............60 57 52 51 51 50 50 50 49 48 48 48
RH..............70 76 78 78 77 76 75 74 76 76 77 77
20 FT WIND DIR..NW NW N N N NE NE NE NE NE NE NE
20 FT WIND SPD..10 10 6 6 6 7 7 7 8 8 8 9
20 FT WIND GUST.16 16 10 10 10 12 12 12 13 13 13 15
MIX HGT (KFT)...3.0 3.0 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2
TRANSP WIND DIR.N N N N N NE NE NE NE NE NE NE
TRANSP WIND SPD.8 8 8 8 8 8 8 8 8 8 8 10
MONDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....71-85.
MIN HUMIDITY........32-37 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH IN THE
MORNING...BECOMING NORTHWEST 5 TO 10 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2200 FT AGL EARLY IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 6 TO 10 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8 8 2 2 2 0 0 0 1 1 1 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............47 48 49 53 59 64 68 71 73 73 72 70
RH..............76 71 66 60 52 47 42 38 37 41 47 53
20 FT WIND DIR..NE NE E E E N N N NW NW NW W
20 FT WIND SPD..9 9 9 9 9 2 2 2 7 7 7 7
20 FT WIND GUST.15 15 15 15 15 7 7 7 8 8 8 14
MIX HGT (KFT)...0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 2.2 2.2 2.2 1.5
TRANSP WIND DIR.NE NE NE NE NE N N N N N N N
TRANSP WIND SPD.10 10 10 10 10 9 9 9 9 9 9 6
FORECAST DAYS 3 THROUGH 5
TUESDAY
CLEAR. LOWS IN THE LOWER 50S. HIGHS 75 TO 89. WINDS GENERALLY
LESS THAN 5 MPH.
WEDNESDAY
CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS 81 TO 94. WINDS GENERALLY
LESS THAN 5 MPH.
THURSDAY
CLEAR. LOWS NEAR 60. HIGHS 80 TO 93. WINDS GENERALLY LESS THAN
5 MPH.
OUTLOOK FOR FRIDAY SEPTEMBER 18 THROUGH TUESDAY SEPTEMBER 22
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
FORECASTER...BOOMSMA
REQUESTED BY...COLLIN EWING
TYPE OF REQUEST...WILDFIRE
.TAG 2621383.5/EKA
.DELDT 09/12/26
.EMAIL 2026.MP18.PLANS@FIRENET.GOV
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