454
FNUS73 KUNR 041608
FWSUNR

Spot Forecast for Rat...USFS
National Weather Service Rapid City SD
908 AM MST Thu Dec 4 2025

Forecast is based on ignition time of 0900 MST on December 04.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Partly sunny skies are expected today, with dry
conditions for much of today. The next system moves in this evening,
bringing another chance for light snow over the spot area. Only
light amounts of snow are expected in the Buskala Ranch area,
with up to one half inch falling by early Friday morning. Winds
will generally remain out of the west, becoming breezy overnight
with gusts around 30 mph at ridgetops from late evening through
8am Friday morning.


.REST OF TODAY...

Sky/weather.........Becoming partly sunny (40-50 percent). Then,
                    increasing clouds this afternoon.
                    Slight chance of snow late in the afternoon.
Max temperature.....Around 27.
Min humidity........71 percent.
Wind (20 ft)........West winds around 10 mph with gusts to around
                    25 mph.
CWR.................0 percent.
Mixing height.......1200 to 1700 ft agl.
Transport winds.....West 30 to 40 mph.
Smoke dispersal.....Fair.

TIME (MST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........60  53  40  34  29  29  32  40  47
Weather cov.....                                SCH
Weather type....                                SN
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0
Temp............23  25  26  26  26  26  24  22  20
RH..............91  90  86  81  74  71  74  81  84
20 FT wind dir..W   W   W   W   W   W   W   W   W
20 FT wind spd..9   9   9   9   9   8   8   8   7
20 FT wind gust.22  24  25  25  25  24  24  23  22
Mix hgt (kft)...1.2 1.5 1.7 1.7 1.7 1.6 1.3 0.7 0.5
Transp wind dir.W   W   W   W   W   W   W   W   W
Transp wind spd.28  32  37  37  35  33  31  30  30

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    snow early in the evening, then chance of snow
                    overnight.
Min temperature.....Around 17.
Max humidity........100 percent.
Wind (20 ft)........West winds 10 to 15 mph with gusts to around
                    30 mph.
CWR.................20 percent.
Mixing height.......300 to 500 ft agl.
Transport winds.....West 30 to 40 mph.
Smoke dispersal.....Poor.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........64  76  82  80  75  83  83  83  84  82  82  83
Weather cov.....SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
CWR.............20  20  20  20  20  20  20  20  20  20  20  20
Temp............20  20  21  22  22  22  21  21  20  19  18  18
RH..............84  88  88  88  92  100 100 100 100 100 100 100
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..7   8   8   9   9   10  10  10  10  10  12  10
20 FT wind gust.23  24  24  26  28  28  30  31  31  31  32  31
Mix hgt (kft)...0.5 0.4 0.4 0.4 0.4 0.3 0.4 0.5 0.5 0.5 0.5 0.5
Transp wind dir.W   W   W   W   W   W   W   NW  NW  NW  NW  NW
Transp wind spd.29  29  30  31  33  35  35  36  36  36  36  35

.FRIDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of snow
                    in the morning, then slight chance of snow
                    rest of the day.
Max temperature.....Around 25.
Min humidity........92 percent.
Wind (20 ft)........West winds 5 to 10 mph. Gusts up to 31 mph
                    decreasing to 21 mph late in the afternoon.
CWR.................20 percent.
Mixing height.......2200 to 2700 ft agl.
Transport winds.....Northwest 35 to 40 mph becoming west 20 to 30
                    mph late in the afternoon.
Smoke dispersal.....Good.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........77  72  76  72  69  66  65  63  62  62  62  62
Weather cov.....CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
CWR.............20  20  20  20  20  20  20  20  20  20  20  20
Temp............18  19  21  22  23  24  24  23  22  20  19  18
RH..............100 100 100 99  95  92  92  92  93  94  95  96
20 FT wind dir..W   NW  NW  NW  W   W   W   W   W   W   W   W
20 FT wind spd..10  10  10  10  10  10  10  9   8   7   6   5
20 FT wind gust.31  30  29  29  28  28  26  25  23  21  18  16
Mix hgt (kft)...0.8 0.9 1.1 1.6 2.2 2.7 2.7 2.7 2.7 2.0 1.2 0.5
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  W   W
Transp wind spd.33  33  33  36  38  39  38  35  31  26  22  17

$$
Forecaster...SR
Requested by...Engebretson
Type of request...PRESCRIBED
.TAG 2527030.0/UNR
.DELDT 12/04/25
.FormatterVersion 2.0.0
.EMAIL stephen.engebretson@usda.gov