Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

73°F

23°C

Humidity 53%
Wind Speed SE 16 mph
Barometer 29.71 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 7:55 am MDT
Extended Forecast for

Spearfish SD

  • Today

    Today: Sunny, with a high near 96. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight.  Partly cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 3pm.  Mostly sunny, with a high near 69. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 46. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 68. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after midnight.  Partly cloudy, with a low around 52. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 73.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 96. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 65. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 88. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Partly cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 69. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 68. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 52. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 73.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 54.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 72.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
6:29 am MDT Jun 20, 2025
8am MDT Jun 20, 2025-6pm MDT Jun 26, 2025
 
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Additional Resources

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Hourly Weather Forecast

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