Spot Forecast
Issued by NWS Eureka, CA

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FNUS76 KEKA 032213
FWSEKA

Spot Forecast for MP 18 Fire...NCIMT
National Weather Service Eureka CA
313 PM PDT Thu Sep 3 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...Scattered showers and possibly a thunderstorm will
continue into tonight and into Friday afternoon. Total rainfall is
expected to be light but a small chance of wetting rains is possible
if a thunderstorm develops. Rain chances will decrease on Saturday,
but another passing system on Sunday could bring a few showers to the
area once again. Conditions will dry out early next week. The next
chance of rain will be from moisture streaming northeast from a
decaying tropical system mid to late week.

.FRIDAY...

Sky/weather.........Mostly cloudy. Chance of rain in the
                    morning. Chance of rain showers and slight
                    chance of thunderstorms in the afternoon.
CWR.................6 percent.
Max temperature.....56-64.
Min humidity........64-74 percent.
Wind (20 ft)........Variable 1 to 3 mph...becoming west around 5
                    mph early in the afternoon, then...becoming
                    variable 1 to 3 mph late in the afternoon.
Mixing height.......1400 ft AGL.
Transport winds.....Southwest 5 to 8 mph becoming west around
                    5 mph late in the afternoon.

TIME (PDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........51  51  51  63  63  63  63  63  63  58
Weather cov.....SCH SCH SCH CHC CHC CHC CHC CHC CHC SCH
Weather type....RN  RN  RN  RN  RN  RN  RW  RW  RW  RN
Tstm cov........                        SCH SCH SCH
CWR.............0   0   0   10  10  10  10  10  10  0
Temp............48  51  54  55  57  58  59  58  59  58
RH..............73  72  70  67  69  69  73  75  77  83
20 FT wind dir..S   S   S   SW  SW  SW  W   W   W   W
20 FT wind spd..3   3   3   2   2   2   5   5   5   4
20 FT wind gust.7   7   7   9   9   9   13  13  13  12
Mix hgt (kft)...1.1 1.1 1.1 1.2 1.3 1.4 1.4 1.4 1.4 1.4
Transp wind dir.S   S   S   SW  SW  SW  SW  SW  SW  W
Transp wind spd.5   5   5   8   8   8   8   8   8   5

.FRIDAY NIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of rain in the evening.
CWR.................1 percent.
Min temperature.....45-48.
Max humidity........72-83 percent.
Wind (20 ft)........Variable 1 to 3 mph...becoming east around 5
                    mph early in the morning.
Mixing height.......200 ft AGL.
Transport winds.....West around 5 mph, becoming east around 3 mph
                    late in the evening.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........58  58  44  44  44  16  16  16  20  20  20  24
Weather cov.....SCH SCH SCH SCH SCH
Weather type....RN  RN  RN  RN  RN
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............57  55  51  50  50  49  50  49  48  48  48  47
RH..............85  86  83  79  73  71  71  70  73  75  77  78
20 FT wind dir..W   W   N   N   N   E   E   E   E   E   E   E
20 FT wind spd..4   4   0   0   0   3   3   3   4   4   4   5
20 FT wind gust.12  12  2   2   2   6   6   6   7   7   7   7
Mix hgt (kft)...1.4 1.0 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Transp wind dir.W   W   W   W   W   E   E   E   E   E   E   E
Transp wind spd.5   5   5   5   5   3   3   3   3   3   3   3

.SATURDAY...

Sky/weather.........Sunny then becoming partly cloudy.
CWR.................0 percent.
Max temperature.....62-70.
Min humidity........51-59 percent.
Wind (20 ft)........East winds around 5 mph in the
                    morning...becoming variable 2 to 4 mph,
                    then...becoming west 5 to 8 mph early in the
                    afternoon.
Mixing height.......400 ft AGL increasing to 1700 ft AGL late
                    in the morning.
Transport winds.....East around 3 mph becoming southwest around 6
                    mph late in the morning.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........24  24  11  11  11  9   9   9   17  17  17  36
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............47  47  49  52  56  60  62  64  64  65  65  64
RH..............77  75  72  67  63  59  57  56  57  58  61  65
20 FT wind dir..E   E   E   E   E   W   W   W   W   W   W   W
20 FT wind spd..5   5   5   5   5   2   2   2   5   5   5   7
20 FT wind gust.7   7   8   8   8   3   3   3   10  10  10  13
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 1.2 1.5 1.7 1.7 1.7 1.7 1.6
Transp wind dir.E   E   E   E   E   SW  SW  SW  SW  SW  SW  W
Transp wind spd.3   3   3   3   3   6   6   6   6   6   6   7

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Partly cloudy with slight chance of rain. Slight chance of
thunderstorms. Lows near 50. Highs 59 to 71. Winds generally
less than 5 mph.
.LABOR DAY...
Mostly clear. Lows near 50. Highs 65 to 77. Winds generally less
than 5 mph.
.TUESDAY...
Partly cloudy. Lows in the lower 50s. Highs 69 to 81. Winds
generally less than 5 mph.

$$
Forecaster...Aylward
Requested by...Collin Ewing
Type of request...WILDFIRE
.TAG 2621104.0/EKA
.DELDT 09/03/26
.EMAIL 2026.mp18.plans@firenet.gov