963
FNUS73 KUNR 201950
FWSUNR

Spot Forecast for West Coal Creek Fire...Campbell County Fire Department
National Weather Service Rapid City SD
150 PM MDT Thu Aug 20 2026

Forecast is based on forecast start time of 1400 MDT on August 20.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Hot and very dry weather will continue this
afternoon with highs in the lower 90s and a minimum relative
humidity around 13%. Northerly winds will gust around 15 mph at
times.

Poor relative humidity recovery is expected tonight as northerly
winds becoming southerly. Lows tonight will be in the lower 60s.

Looking ahead, elevated fire weather conditions are expected
Friday with some improvement for Saturday. The next chance of
thunderstorms will be Saturday night, lasting into next week as a
more active pattern develops.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 93.
Min humidity........13 percent.
Wind (20 ft)........Variable winds around 5 mph shifting to the
                    northeast. Gusts around 15 mph.
CWR.................0 percent.
Mixing height.......9900 to 10400 ft agl.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Good.

TIME (MDT)      2PM 3PM 4PM 5PM
Sky (%).........6   6   6   6
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0
Temp............92  93  93  93
RH..............15  14  13  14
20 FT wind dir..NW  N   N   NE
20 FT wind spd..2   3   5   6
20 FT wind gust.12  13  13  14
Mix hgt (kft)...9.1 10  9.8 9.5
Transp wind dir.NW  NW  NW  N
Transp wind spd.9   9   10  10

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (55-65 percent).
Min temperature.....Around 63.
Max humidity........50 percent.
Wind (20 ft)........Northeast winds around 10 mph shifting to the
                    south after 3 am. Gusts around 15 mph.
CWR.................0 percent.
Mixing height.......400 to 900 ft agl.
Transport winds.....Northeast around 15 mph shifting to the south
                    overnight.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........7   17  33  49  55  59  59  59  66  60  57  55
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............93  90  84  79  76  74  72  70  69  67  65  64
RH..............13  16  20  25  27  30  34  38  39  42  46  50
20 FT wind dir..N   NE  E   E   E   SE  SE  SE  SE  S   S   S
20 FT wind spd..6   6   5   5   6   6   6   5   5   6   6   6
20 FT wind gust.14  13  12  13  12  12  12  10  10  10  10  10
Mix hgt (kft)...8.3 3.5 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.N   N   NE  E   E   E   SE  SE  S   S   S   S
Transp wind spd.12  12  12  12  12  13  13  12  12  10  10  12

$$
Forecaster...EH
Requested by...Travis Wickwire
Type of request...WILDFIRE
.TAG 2620074.1/UNR
.DELDT 08/20/26
.FormatterVersion 2.0.0
.EMAIL travisw@campbellcofirewy.gov,bryanb@campbellcofirewy.us