Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

68°F

20°C

Humidity 78%
Wind Speed E 18 G 24 mph
Barometer 30.07 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Aug 12:15 pm MDT
Extended Forecast for

3 Miles W Lead SD

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 63. Southeast wind 5 to 7 mph, with gusts as high as 22 mph.

    High: 63 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am.  Mostly cloudy, with a low around 52. South wind 5 to 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon.  Increasing clouds, with a high near 68. South wind around 6 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 49. Northwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming north around 5 mph. Winds could gust as high as 17 mph.  Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am.  Partly cloudy, with a low around 46. Light and variable wind. Winds could gust as high as 15 mph.  Chance of precipitation is 60%.

    Low: 46 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 9am.  High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 49.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

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

    High: 73 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 63. Southeast wind 5 to 7 mph, with gusts as high as 22 mph.
Tonight
A slight chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 52. South wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after noon. Increasing clouds, with a high near 68. South wind around 6 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Saturday
Showers likely, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming north around 5 mph. Winds could gust as high as 17 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Partly cloudy, with a low around 46. Light and variable wind. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 9am. High near 68. Chance of precipitation is 80%.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 49.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 70.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
11:46 am MDT Aug 13, 2026
12pm MDT Aug 13, 2026-6pm MDT Aug 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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