923
FNUS73 KUNR 051526
FWSUNR

Spot Forecast for Deadwood Fuels...USFS
National Weather Service Rapid City SD
826 AM MST Fri Dec 5 2025

Forecast is based on ignition time of 0900 MST on December 05.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Off and on very light snow will continue through
the morning, with dry conditions expected this afternoon and
evening. Another weather system moves into the area tonight,
bringing more snow for Saturday and Sunday. Total expected
snowfall through the weekend is 1 to 3 inches. Winds will
generally be from the west northwest today, turning westerly this
evening, and then southwest overnight before becoming
northwesterly again on Saturday. Overall speeds will be 8 to 14
mph with stronger ridgetop gusts.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of snow
                    in the late morning and early afternoon.
Max temperature.....Around 29.
Min humidity........81 percent.
Wind (20 ft)........Northwest winds 10 to 20 mph. Gusts up to 30
                    mph decreasing to 18 mph late in the afternoon.
CWR.................20 percent.
Mixing height.......2200 to 2700 ft agl.
Transport winds.....Northwest 30 to 40 mph becoming west around 20
                    mph.
Smoke dispersal.....Good.

TIME (MST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........88  89  88  87  86  85  80  76  66
Weather cov.....CHC CHC CHC CHC CHC
Weather type....SN  SN  SN  SN  SN
Tstm cov........
CWR.............20  20  20  20  20  20  20  20  20
Temp............29  28  28  29  28  28  27  26  24
RH..............92  92  91  88  88  87  86  85  84
20 FT wind dir..NW  NW  NW  NW  NW  NW  W   W   W
20 FT wind spd..13  12  12  11  11  10  9   8   7
20 FT wind gust.25  24  24  20  20  19  17  14  12
Mix hgt (kft)...2.1 2.2 2.3 2.2 2.3 2.7 2.1 0.9 0.4
Transp wind dir.NW  NW  NW  NW  NW  W   W   W   W
Transp wind spd.37  36  33  31  30  26  23  20  16

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (45-55 percent) then becoming
                    mostly cloudy (65-75 percent). Slight chance of
                    snow late in the evening. Snow likely early in
                    the morning.
Min temperature.....Around 20.
Max humidity........86 percent.
Wind (20 ft)........West winds around 8 mph shifting to the
                    southwest in the late evening and overnight,
                    then shifting to the west early in the morning.
                    Gusts up to 15 mph.
CWR.................0 percent.
Mixing height.......400 to 900 ft agl.
Transport winds.....Southwest 15 to 25 mph.
Smoke dispersal.....Poor.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........53  47  48  51  52  63  71  76  80  81  83  86
Weather cov.....                    SCH SCH SCH SCH SCH SCH LKY
Weather type....                    SN  SN  SN  SN  SN  SN  SN
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............23  23  22  23  24  25  25  25  25  25  26  26
RH..............84  81  81  77  74  71  74  74  74  78  74  81
20 FT wind dir..W   SW  W   SW  SW  SW  SW  SW  SW  SW  W   W
20 FT wind spd..5   5   5   7   7   7   7   5   5   5   5   5
20 FT wind gust.11  11  11  12  12  13  13  13  13  12  12  12
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5
Transp wind dir.W   SW  SW  SW  SW  SW  SW  SW  SW  SW  W   W
Transp wind spd.15  15  15  17  20  21  22  21  20  17  15  15

.SATURDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Snow likely,
                    then chance of snow late in the afternoon.
Max temperature.....Around 32.
Min humidity........74 percent.
Wind (20 ft)........Northwest winds around 10 mph with gusts to
                    around 23 mph.
CWR.................50 percent.
Mixing height.......1900 to 2400 ft agl.
Transport winds.....West 20 to 25 mph shifting to the northwest
                    late in the afternoon.
Smoke dispersal.....Fair.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........83  81  83  72  79  86  87  87  88  89  90  91
Weather cov.....LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY CHC
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
CWR.............50  50  50  50  50  50  50  50  50  50  50  50
Temp............27  28  29  30  30  31  30  29  28  26  25  23
RH..............75  78  81  83  81  79  80  82  85  86  87  88
20 FT wind dir..W   W   W   W   W   W   NW  NW  NW  NW  NW  NW
20 FT wind spd..5   6   7   7   8   8   8   8   8   8   8   6
20 FT wind gust.12  13  14  15  16  16  17  17  17  18  17  13
Mix hgt (kft)...0.5 0.6 1.0 1.3 1.7 2.0 2.2 2.3 2.4 2.1 1.7 1.4
Transp wind dir.W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.20  25  30  30  28  25  25  26  25  24  22  18

$$
Forecaster...MS
Requested by...Keifer Huntley
Type of request...PRESCRIBED
.TAG 2527089.0/UNR
.DELDT 12/05/25
.FormatterVersion 2.0.0
.EMAIL keifer.huntley@usda.gov