Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Partly Cloudy

73°F

23°C

Humidity 78%
Wind Speed NE 12 G 18 mph
Barometer 30.05 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 5 Aug 12:15 pm MDT
Extended Forecast for

Belle Fourche SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm.  Sunny, with a high near 86. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 61. North wind 5 to 10 mph becoming southwest in the evening. Winds could gust as high as 20 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 97. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    High: 97 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 62. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 56. Northwest wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 86. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. North wind 5 to 10 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 89. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 63. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 97. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Northwest wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.86°W (Elev. 3025 ft)
11:09 am MDT Aug 5, 2025
12pm MDT Aug 5, 2025-6pm MDT Aug 11, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database