064
FNUS76 KEKA 182303
FWSEKA
SPOT FORECAST FOR MP 18 FIRE...NCIMT
NATIONAL WEATHER SERVICE EUREKA CA
403 PM 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
HIGH PRESSURE WILL GRADUALLY ALLOW SLIGHTLY HOTTER
AND DRIER THAT NORMAL CONDITIONS (FOR SEPTEMBER) TO BUILD IN
THROUGH THE WEEKEND. HIGHS WILL RETURN TO THE MID 80S WITH RH
BELOW 30 PERCENT BY SUNDAY. WEST WINDS WILL BE GENTLE EACH
AFTERNOON WITH POOR MIXING. THERMAL BELTS WILL BEGIN TO FORM EACH
NIGHT, WORSENING RECOVERY AT UPPER ELEVATIONS. SIMILAR WARM AND
DRY CONDITIONS WILL CONTINUE THROUGH THE WEEK WITH LITTLE TO NO
CHANCE OF RAIN FOR THE NEXT 10 DAYS.
SATURDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....78-82.
MIN HUMIDITY........30-36 PERCENT.
WIND (20 FT)........NORTHWEST 3 TO 6 MPH.
MIXING HEIGHT.......800 TO 1200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 4 TO 8 MPH.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........7 5 5 5 1 1 1 8 8 8 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............53 55 59 64 69 72 74 75 75 75 72
RH..............68 66 59 53 47 45 42 43 44 46 51
20 FT WIND DIR..NE N N N NW NW NW W W W W
20 FT WIND SPD..4 3 3 3 4 4 4 7 7 7 6
20 FT WIND GUST.5 5 5 5 8 8 8 7
MIX HGT (KFT)...0.4 0.6 0.6 0.6 1.9 1.9 1.9 1.9 1.9 1.9 0.9
TRANSP WIND DIR.NE NE NE NE NW NW NW NW NW NW W
TRANSP WIND SPD.3 3 3 3 6 6 6 6 6 6 5
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....53-57.
MAX HUMIDITY........78-84 PERCENT.
WIND (20 FT)........SOUTHEAST 1 TO 3 MPH.
MIXING HEIGHT.......100 TO 300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 2 TO 4 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........15 15 61 61 61 36 36 36 59 59 59 80
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............70 66 59 58 58 58 58 57 57 57 57 56
RH..............56 65 72 70 69 68 65 64 63 61 60 59
20 FT WIND DIR..W W SW SW SW SE SE SE E E E E
20 FT WIND SPD..6 6 3 3 3 3 3 3 3 3 3 4
20 FT WIND GUST.7 7 5 5 5 5
MIX HGT (KFT)...0.9 0.9 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W W W W E E E E E E NE
TRANSP WIND SPD.5 5 5 5 5 2 2 2 2 2 2 2
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....80-84.
MIN HUMIDITY........28-34 PERCENT.
WIND (20 FT)........WEST 4 TO 8 MPH.
MIXING HEIGHT.......800 TO 1200 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 10 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 80 40 40 40 31 31 31 35 35 35 28
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............56 55 56 59 64 69 72 75 76 77 76 73
RH..............58 58 57 53 49 45 42 41 42 44 48 53
20 FT WIND DIR..E E E E E NW NW NW W W W W
20 FT WIND SPD..4 4 4 4 4 3 3 3 6 6 6 6
20 FT WIND GUST.5 5 5 5 5 7 7 7 7
MIX HGT (KFT)...0.4 0.4 0.3 0.3 0.3 1.4 1.4 1.4 2.5 2.5 2.5 1.6
TRANSP WIND DIR.NE NE NE NE NE W W W W W W W
TRANSP WIND SPD.2 2 2 2 2 6 6 6 6 6 6 6
FORECAST DAYS 3 THROUGH 5
MONDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 50S. HIGHS 78 TO 83. WEST
WINDS GENERALLY LESS THAN 5 MPH. MIN RH AS LOW AS 30 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 50S. HIGHS 80 TO 85. WEST
WINDS GENERALLY LESS THAN 5 MPH. MIN RH AS LOW AS 30 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 50S. HIGHS 78 TO 83. WEST
WINDS GENERALLY LESS THAN 5 MPH. MIN RH AS LOW AS 25 PERCENT.
FORECASTER...JAMES WHITE
REQUESTED BY...COLLIN EWING
TYPE OF REQUEST...WILDFIRE
.TAG 2621732.5/EKA
.DELDT 09/18/26
.EMAIL 2026.MP18.PLANS@FIRENET.GOV
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