442
FNUS76 KEKA 180953
FWSEKA
SPOT FORECAST FOR MP 18 FIRE...NCIMT
NATIONAL WEATHER SERVICE EUREKA CA
253 AM PDT FRI SEP 18 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
WEAK HIGH PRESSURE RIDGING WILL DEVELOP BEHIND
DEPARTING LOW PRESSURE. DAYTIME TEMPERATURES WILL WARM OVER THE
WEEKEND IN RESPONSE. WINDS WILL BE LIGHT AND TERRAIN DRIVEN. THERE
IS A ZERO PERCENT CHANCE OF A WETTING RAINFALL UNTIL FRIDAY THE
25TH THROUGH SATURDAY THE 26TH FROM A POSSIBLE FRONT, BUT CHANCES
ARE CURRENTLY ONLY 10-15% FOR MAINLY DEL NORTE COUNTY.
TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....70-78.
MIN HUMIDITY........43-52 PERCENT.
WIND (20 FT)........VARIABLE 1 TO 3 MPH...BECOMING NORTHWEST 5 TO 8
MPH EARLY IN THE AFTERNOON.
MIXING HEIGHT.......200-550 FT, LIFTING TO 2100-2800 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 2 MPH NORTHWEST 5 TO 7 MPH LATE
IN THE MORNING.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9 9 7 7 7 3 3 3 5 5 5 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 52 54 58 63 67 70 72 73 73 72 71
RH..............72 74 69 63 59 52 51 48 47 47 50 54
20 FT WIND DIR..NE NE NW NW NW NW NW NW W W W NW
20 FT WIND SPD..4 4 2 2 2 3 3 3 8 8 8 7
20 FT WIND GUST.5 5 5 5 5 10 10 10 8
MIX HGT (KFT)...0.2 0.2 0.2 0.2 0.2 0.7 0.7 0.7 2.1 2.1 2.1 1.3
TRANSP WIND DIR.NE NE NE NE NE NW NW NW NW NW NW N
TRANSP WIND SPD.2 2 2 2 2 7 7 7 7 7 7 5
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....52-55.
MAX HUMIDITY........66-76 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH EARLY IN THE
EVENING...BECOMING VARIABLE 1 TO 3 MPH.
MIXING HEIGHT.......1300-2000 FT AGL, LOWERING TO 200-500
FT. AGL.
TRANSPORT WINDS.....NORTHEAST 3 TO 5 MPH DECREASING TO AROUND 3 MPH
EARLY IN THE MORNING.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 5 8 8 8 4 4 4 7 7 7 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............68 63 58 57 57 57 57 57 57 56 55 55
RH..............58 66 70 71 71 71 69 69 68 68 67 67
20 FT WIND DIR..NW NW N N N NE NE NE NE NE NE NE
20 FT WIND SPD..7 7 3 3 3 3 3 3 3 3 3 4
20 FT WIND GUST.8 8 5
MIX HGT (KFT)...1.3 1.3 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 NE NE NE NE NE NE NE
TRANSP WIND SPD.5 5 5 5 5 3 3 3 3 3 3 3
SATURDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....72-80.
MIN HUMIDITY........38-45 PERCENT.
WIND (20 FT)........VARIABLE 1 TO 3 MPH...BECOMING WEST 5 TO 8 MPH
EARLY IN THE AFTERNOON.
MIXING HEIGHT.......200-500 FT AGL, LIFTING TO 1800-2300 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 3 MPH NORTHWEST 5 TO 6 MPH LATE
IN THE MORNING.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 4 9 9 9 13 13 13 12 12 12 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............55 53 55 59 65 69 72 74 76 75 75 73
RH..............65 65 63 56 52 46 44 42 41 43 46 50
20 FT WIND DIR..NE NE NE NE NE W W W W W W W
20 FT WIND SPD..4 4 3 3 3 2 2 2 8 8 8 7
20 FT WIND GUST.5 5 3 3 3 9 9 9 8
MIX HGT (KFT)...0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 1.8 1.8 1.8 1.0
TRANSP WIND DIR.NE NE NE NE NE NW NW NW NW NW NW NW
TRANSP WIND SPD.3 3 3 3 3 6 6 6 6 6 6 5
OUTLOOK FOR WEDNESDAY SEPTEMBER 23 THROUGH SUNDAY SEPTEMBER 27
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
FORECASTER...WOOD
REQUESTED BY...COLLIN EWING
TYPE OF REQUEST...WILDFIRE
.TAG 2621733.4/EKA
.DELDT 09/18/26
.EMAIL 2026.MP18.PLANS@FIRENET.GOV
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