National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Wave Continues; Areas of Severe Thunderstorms and Heavy Rain

Prolonged and intense heat wave continues into Friday with relief expected by this weekend. Extreme Heat Warnings and Heat Advisories remain in effect for portions of the Ohio Valley and the Southeast. Unsettled weather could produce severe weather and excessive rainfall for parts of the Central and Eastern U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

70°F

21°C

Humidity 64%
Wind Speed E 9 mph
Barometer 30.00 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Jun 9:55 pm MDT
Extended Forecast for

Spearfish SD

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. South wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 15 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Partly cloudy, with a low around 58. Northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before noon, then showers likely between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 60%.

    High: 78 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. Northeast wind around 5 mph becoming southwest after midnight.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. South wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 85. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Partly cloudy, with a low around 58. Northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms before noon, then showers likely between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. Northeast wind around 5 mph becoming southwest after midnight.
Monday
Sunny, with a high near 81. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
Last Update:
8:50 pm MDT Jun 26, 2025
Forecast Valid:
10pm MDT Jun 26, 2025-6pm MDT Jul 3, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation