350
FNUS76 KEKA 241749
FWSEKA

Spot Forecast for MP 18 Fire...NCIMT
National Weather Service Eureka CA
1049 AM PDT Thu Sep 24 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...
A cold front will bring rain to the burn site Thursday night into
Friday morning. The chance of wetting rains is around 40%. Behind
this front will be cooler weather with higher humidity for
Friday into the weekend. Winds will be gusty Friday afternoon out
of the northwest becoming NE overnight. Beyond Friday, a lighter
wind pattern will develop with overnight light ENE winds, especially
on the ridges, and light WSW winds during the afternoon into early
next week.

.FRIDAY...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of rain in the morning.
CWR.................7 percent.
Max temperature.....57-65.
Min humidity........57-67 percent.
Wind (20 ft)........Northwest winds 5 to 11 mph.
Mixing height.......700 ft AGL increasing to 2100 ft AGL
                    late in the morning.
Transport winds.....Northwest 6 to 10 mph.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81  69  69  69  40  40  40  24  24  24  48
Weather cov.....CHC CHC CHC CHC
Weather type....RN  RN  RN  RN
Tstm cov........
CWR.............10  10  10  10  0   0   0   0   0   0   0
Temp............51  51  52  52  53  57  59  60  60  60  58
RH..............84  86  85  84  80  73  64  61  63  67  70
20 FT wind dir..W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..7   8   8   8   9   9   9   11  11  11  8
20 FT wind gust.13  13  13  13  13  13  13  17  17  17  16
Mix hgt (kft)...0.7 0.7 0.9 1.1 1.7 2.0 2.1 2.1 2.1 1.9 1.7
Transp wind dir.NW  NW  NW  NW  N   N   N   N   N   N   N
Transp wind spd.6   6   6   6   10  10  10  10  10  10  7

.FRIDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
CWR.................0 percent.
Min temperature.....44-47.
Max humidity........68-78 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph...shifting to the
                    northeast 5 to 10 mph late in the evening.
Mixing height.......400 ft AGL.
Transport winds.....North around 7 mph becoming northeast 6 to
                    8 mph late in the evening.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........48  48  60  60  60  65  65  65  66  66  66  80
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............58  55  51  50  50  49  49  48  48  48  47  47
RH..............74  78  79  76  74  73  71  72  72  73  74  73
20 FT wind dir..NW  NW  NW  NW  NW  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..8   8   5   5   5   10  10  10  9   9   9   9
20 FT wind gust.16  16  10  10  10  18  18  18  16  16  16  16
Mix hgt (kft)...1.1 0.7 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.7   7   7   7   7   8   8   8   8   8   8   6

.SATURDAY...

Sky/weather.........Mostly cloudy then becoming sunny.
CWR.................0 percent.
Max temperature.....65-73.
Min humidity........39-48 percent.
Wind (20 ft)........Northeast winds 5 to 9 mph in the
                    morning...becoming variable 2 to 5 mph,
                    then...becoming northwest 5 to 7 mph early in
                    the afternoon.
Mixing height.......400 ft AGL increasing to 2600 ft AGL
                    early in the afternoon.
Transport winds.....Northeast around 6 mph becoming northwest
                    5 to 6 mph late in the morning.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........80  80  38  38  38  21  21  21  24  24  24  21
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............47  46  47  50  55  59  63  66  67  68  67  64
RH..............71  71  69  64  57  51  47  44  43  45  49  54
20 FT wind dir..NE  NE  E   E   E   NE  NE  NE  NW  NW  NW  W
20 FT wind spd..9   9   9   9   9   3   3   3   6   6   6   5
20 FT wind gust.16  16  15  15  15  6   6   6   9   9   9   12
Mix hgt (kft)...0.4 0.4 0.5 0.8 1.4 1.8 2.1 2.4 2.5 2.6 2.6 2.6
Transp wind dir.NE  NE  NE  NE  NE  NW  NW  NW  NW  NW  NW  W
Transp wind spd.6   6   6   6   6   5   5   5   5   5   5   6

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Partly cloudy. Lows in the mid to upper 40s. Highs 58 to 69.
Northeast winds 2 to 4 mph in the morning becoming northwest
4 to 10 mph in the afternoon.
.MONDAY...
Mostly clear. Lows in the lower to mid 40s. Highs 62 to 73.
Northeast winds 2 to 4 mph in the morning becoming northwest
4 to 10 mph in the afternoon.
.TUESDAY...
Mostly clear. Lows in the upper 40s. Highs 65 to 76. Northeast
winds 3 to 7 mph in the morning becoming  northwest 4 to 10 mph
in the afternoon.

$$
Forecaster...Aylward
Requested by...Collin Ewing
Type of request...WILDFIRE
.TAG 2622300.2/EKA
.DELDT 09/24/26
.EMAIL 2026.mp18.plans@firenet.gov