Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

66°F

19°C

Humidity 52%
Wind Speed SW 7 mph
Barometer 30.01 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 28 Aug 6:35 am MDT
Extended Forecast for

4 Miles WSW Lead SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 79. Southwest wind 5 to 8 mph becoming light and variable  in the afternoon. Winds could gust as high as 17 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55. Light west wind. Winds could gust as high as 15 mph.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 53. Southwest wind 3 to 5 mph. Winds could gust as high as 17 mph.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74. Southwest wind 3 to 8 mph. Winds could gust as high as 24 mph.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. West wind around 6 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. Southwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Light west wind. Winds could gust as high as 15 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53. Southwest wind 3 to 5 mph. Winds could gust as high as 17 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Southwest wind 3 to 8 mph. Winds could gust as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 47. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
3:41 am MDT Aug 28, 2026
6am MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database