600
FNUS73 KUNR 051013
FWSUNR

Spot Forecast for Evening Fire...BIA
National Weather Service Rapid City SD
413 AM MDT Tue May 5 2026

Forecast is based on forecast start time of 0600 MDT on May 05.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Cool temperatures are expected today and Wednesday.
There is a slight chance of rain/snow showers this morning,
becoming rain showers this afternoon. These low chances for
showers will end in the late afternoon or evening. Wetting rains
are not expected through the period. Winds generally out of the
north to northwest will continue today and Wednesday, though will
be weaker at night. Dry weather is expected for Wednesday, but
improved chances for wetting rains (and warmer temperatures) will
return for the end of the week.

.TODAY...

Sky/weather.........Cloudy (85-95 percent). Slight chance of rain
                    and snow showers in the morning, then chance of
                    rain showers in the afternoon.
Max temperature.....Around 50.
Min humidity........36 percent.
Wind (20 ft)........North winds 10 to 15 mph with gusts to around
                    21 mph.
CWR.................25 percent.
Mixing height.......7200 to 7700 ft agl.
Transport winds.....North 10 to 20 mph increasing to around 20 mph
                    in the afternoon.
Smoke dispersal.....Very good.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........92  95  89  86  84  90  90  91  88  90  91  92
Weather cov.....SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC
Weather type....RS  RS  RS  RS  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
CWR.............20  20  20  20  20  20  20  20  20  20  20  20
Temp............39  39  40  42  44  45  47  48  48  48  50  48
RH..............69  69  65  58  51  47  40  39  39  39  36  39
20 FT wind dir..N   N   N   N   N   NE  N   NE  NE  N   N   N
20 FT wind spd..6   7   8   9   10  12  13  12  12  12  12  13
20 FT wind gust.12  14  15  18  18  18  20  21  20  21  20  20
Mix hgt (kft)...1.1 2.1 3.1 3.7 4.7 5.4 6.2 6.9 7.4 7.7 7.4 6.9
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.10  13  15  16  18  18  20  20  20  20  20  20

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    partly cloudy (40-50 percent). Chance of rain
                    showers in the evening. Chance of snow showers
                    late in the evening.
Min temperature.....Around 28.
Max humidity........69 percent.
Wind (20 ft)........North winds 10 to 15 mph.
CWR.................20 percent.
Mixing height.......500 to 1000 ft agl.
Transport winds.....North 15 to 20 mph.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........92  95  95  97  90  86  81  75  63  66  51  46
Weather cov.....CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RS  RS
Tstm cov........
CWR.............20  20  20  20  20  20  20  20  20  20  20  20
Temp............48  47  43  41  40  38  37  36  34  32  30  30
RH..............39  40  49  57  55  57  56  59  61  63  69  66
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..13  10  10  10  9   8   8   7   6   6   6   6
20 FT wind gust.18  17  17  16  16  14  14  13  12  10  10  10
Mix hgt (kft)...6.0 4.4 2.6 1.8 2.0 1.8 1.3 0.7 0.6 0.6 0.5 0.5
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.18  18  17  16  15  14  13  13  13  13  12  12

.WEDNESDAY...

Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....Around 56.
Min humidity........20 percent.
Wind (20 ft)........Northwest winds around 10 mph with gusts to
20 mph, becoming west in the afternoon.
CWR.................0 percent.
Mixing height.......8800 to 9300 ft agl.
Transport winds.....Northwest 10 to 15 mph shifting to the
west 15 to 20 mph in the afternoon.
Smoke dispersal.....Very good increasing to excellent in the
afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........43  52  46  39  42  46  49  47  45  43  41  39
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............29  31  35  39  42  45  48  50  52  54  55  56
RH..............69  66  56  46  39  35  30  28  25  23  21  20
20 FT wind dir..N   N   N   N   NW  NW  NW  NW  W   W   W   W
20 FT wind spd..6   6   6   6   7   7   8   8   9   9   10  12
20 FT wind gust.10  10  10  12  13  15  16  17  18  18  20  20
Mix hgt (kft)...0.4 1.9 3.3 4.8 5.9 6.9 8.0 8.4 8.9 9.3 9.2 9.1
Transp wind dir.N   N   N   N   NW  NW  NW  W   W   W   W   W
Transp wind spd.10  10  10  10  12  13  15  15  16  16  18  20

$$
Forecaster...13
Requested by...William Young Bear
Type of request...WILDFIRE
.TAG 2612725.1/UNR
.DELDT 05/05/26
.FormatterVersion 2.0.0
.EMAIL william.youngbear@bia.gov