Spot Forecast
Issued by NWS Rapid City, SD

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FNUS73 KUNR 122127
FWSUNR

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

Forecast is based on ignition time of 1530 MST on November 12.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Quiet weather is expected tonight and Thursday.
Winds will be light/variable and terrain influenced. Overnight RH
recovery will be poor. Temperatures on Thursday will be warmer,
with highs around 60 degrees. Winds will be from the W/NW at 5-10
mph.

Westerly winds pick up Friday ahead of a cold front, with gusts
of 25 to 30 mph and expected with afternoon humidities dropping
to 25 to 30%. Highs will be in the low 60s.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 56.
Min humidity........32 percent.
Wind (20 ft)........Light and variable winds.
CWR.................0 percent.
Mixing height.......1100 to 1600 ft agl.
Transport winds.....West around 15 mph shifting to the northwest
                    late in the afternoon.
Smoke dispersal.....Poor.

TIME (MST)      3PM 4PM 5PM
Sky (%).........16  23  30
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0
Temp............55  53  47
RH..............35  38  48
20 FT wind dir..SW  SW  W
20 FT wind spd..3   3   3
20 FT wind gust.8   6   5
Mix hgt (kft)...1.6 0.6 0.4
Transp wind dir.W   NW  N
Transp wind spd.12  9   7

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (65-75 percent).
Min temperature.....Around 39.
Max humidity........55 percent.
Wind (20 ft)........North winds around 5 mph shifting to the
                    northeast overnight.
CWR.................0 percent.
Mixing height.......400 to 900 ft agl.
Transport winds.....North around 10 mph shifting to the west after
                    3 am.
Smoke dispersal.....Poor.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........30  35  34  38  42  50  62  73  79  79  77  77
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............45  44  44  43  44  43  43  42  42  41  41  41
RH..............47  47  50  53  51  53  53  55  53  53  55  55
20 FT wind dir..N   N   N   N   N   N   N   NE  NE  NE  NE  N
20 FT wind spd..3   3   3   3   3   3   3   3   3   3   3   3
20 FT wind gust.7   7   7   8   8   8   8   8   8   7   7   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   NW  N   N   N   N   N   N   N   W   SW
Transp wind spd.7   7   7   7   7   7   7   7   7   7   7   6

.THURSDAY...

Sky/weather.........Partly sunny (45-55 percent) then becoming
                    sunny (5-15 percent).
Max temperature.....Around 60.
Min humidity........29 percent.
Wind (20 ft)........Northwest winds around 5 mph increasing to 5 to
                    10 mph with gusts to around 17 mph in the late
                    morning and afternoon.
CWR.................0 percent.
Mixing height.......1200 to 1700 ft agl.
Transport winds.....West 10 to 15 mph shifting to the northwest 10
                    to 20 mph in the afternoon.
Smoke dispersal.....Poor.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........72  51  30  17  10  7   9   13  12  10  10  10
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............41  43  46  50  53  56  58  59  59  57  54  50
RH..............55  51  47  41  36  32  30  29  30  33  38  41
20 FT wind dir..NW  N   N   NW  W   W   W   W   W   W   NW  N
20 FT wind spd..3   3   3   5   6   6   7   7   7   6   5   5
20 FT wind gust.8   8   8   10  13  14  15  16  17  14  13  10
Mix hgt (kft)...0.5 0.5 0.4 0.6 1.0 1.3 1.5 1.6 1.7 1.3 0.8 0.4
Transp wind dir.W   W   W   W   W   W   W   W   W   W   NW  NW
Transp wind spd.6   6   7   9   10  13  15  16  16  14  12  9

$$
Forecaster...13
Requested by...Hayden Hoelscher
Type of request...PRESCRIBED
.TAG 2525507.4/UNR
.DELDT 11/12/25
.FormatterVersion 2.0.0
.EMAIL hayden.hoelscher@usda.gov