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

68°F

20°C

Humidity 73%
Wind Speed NE 9 mph
Barometer 29.99 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 26 Jun 9:15 pm MDT
Extended Forecast for

Deadwood SD

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 59 °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 87. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 83. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 83 °F

    Sunny then
    Slight Chance
    T-storms

  • 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 55. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    Low: 55 °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 75. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 75 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Southwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 87. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 83. West wind 5 to 10 mph becoming northeast 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 55. Northeast wind around 5 mph becoming calm 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 75. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 78. Southwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deadwood SD
 44.38°N 103.72°W (Elev. 4905 ft)
Last Update:
8:50 pm MDT Jun 26, 2025
Forecast Valid:
9pm MDT Jun 26, 2025-6pm MDT Jul 3, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation