Spot Forecast
Issued by NWS Rapid City, SD

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024
FNUS73 KUNR 121117
FWSUNR

Spot Forecast for Antihorse RX Unit Quebec...USFS
National Weather Service Rapid City SD
417 AM MST Wed Nov 12 2025

Forecast is based on ignition time of 0600 MST on November 12.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Light and terrain influenced winds are expected today,
highs will be in the 50s. Afternoon humidities will range from 38 to
46%. Winds will remain light and predominately terrain driven with
RHs recovering to around 57%, the highest RHs will be at around dawn.
Light winds will continue through Thursday with clear skies and highs
in the upper 50s. Afternoon humidities will drop to 33 to 46%.

Westerly winds pick up Friday ahead of a cold front, gusts of 25 to 30
mph expected with afternoon humidities dropping to 25 to 30%. Highs will
be in the low 60s. Clouds increase Friday night but chances for wetting
rains (0.1+") to affect the forecast site are near zero.

.TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 54.
Min humidity........38 to 46 percent.
Wind (20 ft)........Light and predominately terrain driven winds.
CWR.................0 percent.
Mixing height.......2300 to 2800 ft agl.
Transport winds.....North around 10 mph shifting to the west in the
                    late morning and early afternoon, then shifting
                    to the northwest late in the afternoon.
Smoke dispersal.....Poor.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........50  44  36  23  22  17  14  11  12  16  18  25
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............35  37  41  46  50  52  53  54  54  53  50  46
RH..............82  76  65  53  44  43  39  38  38  39  46  53
20 FT wind dir..N   N   NW  NW  SW  SW  SW  SW  SW  W   W   N
20 FT wind spd..3   3   3   3   5   6   6   7   7   6   5   5
20 FT wind gust.7   7   8   8   9   12  13  14  14  13  10  9
Mix hgt (kft)...0.5 0.5 0.4 0.6 1.6 2.4 2.7 2.8 2.7 1.9 0.6 0.4
Transp wind dir.N   N   N   NW  W   SW  SW  W   W   W   NW  N
Transp wind spd.6   6   7   8   9   10  12  13  13  12  9   8

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (70-80 percent).
Min temperature.....Around 40.
Max humidity........57 percent.
Wind (20 ft)........Light and predominately terrain driven.
Mixing height.......400 to 900 ft agl.
Transport winds.....North around 10 mph.
Smoke dispersal.....Poor.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........27  34  46  57  75  87  87  88  87  79  67  57
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............45  44  44  44  44  44  44  43  43  42  41  41
RH..............53  53  53  53  53  53  53  55  53  55  57  57
20 FT wind dir..N   N   N   NE  NE  NE  NE  NE  NE  N   N   N
20 FT wind spd..3   3   5   3   3   3   3   3   3   3   3   3
20 FT wind gust.8   8   8   8   8   8   8   7   7   7   8   7
Mix hgt (kft)...0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.N   N   N   N   N   N   N   N   NE  N   N   NW
Transp wind spd.8   8   8   7   7   7   7   7   6   6   6   6

.THURSDAY...

Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....Around 58.
Min humidity........33 to 46 percent.
Wind (20 ft)........Light and predominately terrain driven winds.
CWR.................0 percent.
Mixing height.......2600 to 3100 ft agl.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....Poor.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........48  29  18  9   6   3   4   4   5   7   9   11
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............43  45  47  50  52  55  57  58  58  56  52  49
RH..............51  49  47  42  39  35  33  33  33  35  41  46
20 FT wind dir..N   N   NW  NW  W   W   W   W   W   W   NW  NW
20 FT wind spd..3   3   5   5   6   6   7   8   8   7   6   5
20 FT wind gust.7   7   8   9   12  13  15  16  16  14  12  9
Mix hgt (kft)...0.4 0.4 0.3 0.7 1.1 1.5 2.0 2.6 3.1 2.2 1.3 0.4
Transp wind dir.NW  NW  N   NW  NW  W   W   W   W   W   NW  NW
Transp wind spd.7   7   8   9   10  13  14  15  15  13  10  8

$$
Forecaster...EW
Requested by...Hayden Hoelscher
Type of request...PRESCRIBED
.TAG 2525507.3/UNR
.DELDT 11/12/25
.FormatterVersion 2.0.0
.EMAIL hayden.hoelscher@usda.gov