Spot Forecast
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
035
FNUS76 KEKA 131303
FWSEKA
Spot Forecast for MP 18 Fire...NCIMT
National Weather Service Eureka CA
603 AM PDT Sun Sep 13 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 this morning
with around a 30% chance for measurable rain. The chance for
wetting rain (over 0.10") is around 15%. Rain will be generally
light, should any fall. A warming and drying trend begins today
and continues into much of the following week.
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming sunny then becoming partly cloudy.
Slight chance of rain in the morning.
CWR.................6 percent.
Max temperature.....59-67.
Min humidity........52-62 percent.
Wind (20 ft)........South winds 5 to 7 mph early in the
morning...becoming variable 3 to 6 mph,
then...becoming northwest 5 to 10 mph late in
the morning.
Mixing height.......400-1400 ft AGL increasing to 2000-3900 ft AGL
late in the morning.
Transport winds.....West around 5 mphnorthwest around 8 mph late in
the morning.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........61 61 46 46 46 34 34 34 21 21 21 28
Weather cov.....SCH SCH SCH SCH SCH
Weather type....RN RN RN RN RN
Tstm cov........
CWR.............10 10 10 10 10 0 0 0 0 0 0 0
Temp............48 47 49 51 54 56 59 61 63 63 62 61
RH..............80 81 76 73 70 66 64 59 57 57 59 66
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)...0.4 0.4 1.4 1.4 1.4 3.6 3.6 3.6 3.9 3.9 3.9 2.0
Transp wind dir.W W W W W NW NW NW NW NW NW N
Transp wind spd.5 5 5 5 5 8 8 8 8 8 8 8
.TONIGHT...
Sky/weather.........Mostly clear.
CWR.................0 percent.
Min temperature.....46-49.
Max humidity........72-82 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph...shifting to the
northeast 5 to 9 mph late in the evening.
Mixing height.......400-2000 ft AGL.
Transport winds.....North 7 to 8 mphnortheast around 7 mph early in
the morning.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........28 28 13 13 13 4 4 4 5 5 5 3
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 49 49 48 48 48
RH..............71 76 82 80 77 76 74 73 74 75 75 74
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 13 13 13 14 14 14 15
Mix hgt (kft)...2.0 2.0 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.N N N N N NE NE NE NE NE NE NE
Transp wind spd.8 8 8 8 8 7 7 7 7 7 7 7
.MONDAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....70-78.
Min humidity........33-40 percent.
Wind (20 ft)........Northeast winds 5 to 9 mph in the
morning...becoming variable 2 to 5 mph,
then...becoming northwest 5 to 8 mph early in
the afternoon.
Mixing height.......400-900 ft AGL increasing to 3500-4400 ft AGL
late in the morning, then decreasing to 2000 ft
AGL late in the afternoon.
Transport winds.....North 7 to 8 mphwest around 7 mph late in the
afternoon.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........3 3 2 2 2 2 2 2 3 3 3 2
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............48 47 49 54 60 65 69 72 74 73 72 70
RH..............73 71 65 58 52 45 43 38 37 39 44 51
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 6
20 FT wind gust.15 15 15 15 15 7 7 7 8 8 8 14
Mix hgt (kft)...0.4 0.4 0.9 0.9 0.9 3.5 3.5 3.5 4.4 4.4 4.4 2.0
Transp wind dir.NE NE NE NE NE N N N N N N W
Transp wind spd.7 7 7 7 7 8 8 8 8 8 8 7
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...
Clear. Lows in the lower 50s. Highs 75 to 86. Winds generally
less than 5 mph.
.WEDNESDAY...
Clear. Lows in the lower to mid 50s. Highs 75 to 90. 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...Johnathon White
Requested by...Collin Ewing
Type of request...WILDFIRE
.TAG 2621385.5/EKA
.DELDT 09/13/26
.EMAIL 2026.mp18.plans@firenet.gov