Hazardous Weather Conditions
Current conditions at
Spearfish / Clyde Ice (KSPF)
Lat: 44.48°NLon: 103.78°WElev: 3898ft.
Fair
82°F
28°C
| Humidity | 35% |
| Wind Speed | W 5 mph |
| Barometer | 30.13 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 15 Jul 8:15 am MDT |
Extended Forecast for
Belle Fourche SD
Heat Advisory July 15, 08:31am until July 16, 09:00pm
NOW until 9:00pm Thu

Heat Advisory
Today

High: 101 °F
Hot
Tonight

Low: 67 °F
Mostly Clear
Thursday
High: 98 °F
Sunny then
Slight Chance
T-stormsThursday Night

Low: 66 °F
Partly Cloudy
Friday

High: 99 °F
Sunny
Friday Night

Low: 67 °F
Partly Cloudy
Saturday
High: 101 °F
Sunny then
Slight Chance
T-stormsSaturday Night
Low: 69 °F
Chance
T-storms then
Mostly Cloudy
Detailed Forecast
Today
Sunny and hot, with a high near 101. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.
Tonight
Mostly clear, with a low around 67. East wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 17 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 98. West wind around 8 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 66. Northeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 99. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Friday Night
Partly cloudy, with a low around 67. East wind 8 to 11 mph, with gusts as high as 17 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 101.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 69.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 99.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 92.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 61.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Belle Fourche SD
44.67°N 103.86°W (Elev. 3025 ft)
44.67°N 103.86°W (Elev. 3025 ft)
6:21 am MDT Jul 15, 2026
8am MDT Jul 15, 2026-6pm MDT Jul 21, 2026



