Spot Forecast
Issued by NWS Eureka, CA

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766
FNUS76 KEKA 192217
FWSEKA

Spot Forecast for MP 18 Fire...NCIMT
National Weather Service Eureka CA
317 PM PDT Sat Sep 19 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

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.DISCUSSION...Conditions will continue to gradually warm and dry
through Sunday. Low elevation temperatures will peak near 90 with
minimum RH below 30 percent. Winds will remain weak and from the
west. Marine influence will slightly increase early this week
with continued weak winds. Generally warm and dry conditions will
continue through the week with essentially no chance of rain for
the next 10 days.

.SUNDAY...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
CWR.................0 percent.
Max temperature.....81-85.
Min humidity........28-34 percent.
Wind (20 ft)........Northwest 3 to 6 mph.
Mixing height.......1100 to 1500 ft AGL.
Transport winds.....Northwest 4 to 8 mph.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........52  42  42  42  43  43  43  39  39  39  40
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0
Temp............54  56  60  65  70  73  76  77  76  76  73
RH..............60  59  53  48  44  43  40  41  43  47  51
20 FT wind dir..NE  E   E   E   W   W   W   NW  NW  NW  W
20 FT wind spd..3   4   4   4   3   3   3   6   6   6   6
20 FT wind gust.5   6   6   6   5   5   5   8   8   8   10
Mix hgt (kft)...0.4 0.5 0.5 0.5 1.5 1.5 1.5 1.7 1.7 1.7 0.8
Transp wind dir.NE  NE  NE  NE  W   W   W   W   W   W   W
Transp wind spd.2   2   2   2   6   6   6   6   6   6   5

.SUNDAY NIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Min temperature.....56-60.
Max humidity........70-80 percent.
Wind (20 ft)........Northeast 1 to 2 mph.
Mixing height.......100 to 300 ft AGL.
Transport winds.....Northeast 2 to 3 mph.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........40  40  34  34  34  23  23  23  22  22  22  16
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............71  67  60  60  60  60  60  60  59  59  58  58
RH..............57  64  71  69  67  64  62  61  59  59  59  58
20 FT wind dir..W   W   NW  NW  NW  N   N   N   E   E   E   E
20 FT wind spd..6   6   2   2   2   3   3   3   2   2   2   3
20 FT wind gust.10  10  3   3   3               3   3   3   5
Mix hgt (kft)...0.8 0.8 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   NE  NE  NE  NE  NE  NE  E
Transp wind spd.5   5   5   5   5   2   2   2   2   2   2   3

.MONDAY...

Sky/weather.........Sunny then becoming partly cloudy.
CWR.................0 percent.
Max temperature.....79-83.
Min humidity........32-38 percent.
Wind (20 ft)........West 2 to 5 mph.
Mixing height.......1400 to 1800 ft AGL.
Transport winds.....West 4 to 8 mph.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16  16  18  18  18  10  10  10  13  13  13  29
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............57  57  57  61  66  70  74  76  77  77  76  73
RH..............58  58  58  54  50  46  44  43  44  45  48  52
20 FT wind dir..E   E   E   E   E   NW  NW  NW  W   W   W   W
20 FT wind spd..3   3   3   3   3   3   3   3   6   6   6   6
20 FT wind gust.5   5   5   5   5   5   5   5   9   9   9   10
Mix hgt (kft)...0.4 0.4 0.3 0.3 0.3 1.4 1.4 1.4 2.3 2.3 2.3 1.6
Transp wind dir.E   E   E   E   E   NW  NW  NW  NW  NW  NW  W
Transp wind spd.3   3   3   3   3   6   6   6   6   6   6   6

.FORECAST DAYS 3 THROUGH 5...

.TUESDAY...
Mostly clear. Lows in the mid to upper 50s. Highs 72 to 78.
Min RH around 40 percent. West winds up to 6 mph.

.WEDNESDAY...
Mostly clear. Lows in the mid to upper 50s. Highs 74 to 80.
Min RH around 34 percent. West winds up to 6 mph.

.THURSDAY...
Mostly clear. Lows in the mid to upper 50s. Highs 76 to 82.
Min RH around 28 percent. West winds up to 6 mph.

$$
Forecaster...James White
Requested by...Collin Ewing
Type of request...WILDFIRE
.TAG 2621733.6/EKA
.DELDT 09/19/26
.EMAIL 2026.mp18.plans@firenet.gov