Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane today as it moves north toward the Big Island of Hawaii. Heavy rainfall may produce life-threatening, catastrophic flooding and mudslides. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

64°F

18°C

Humidity 64%
Wind Speed W 6 mph
Barometer 30.25 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Sep 8:55 am MDT
Extended Forecast for

3 Miles SW Lead SD

  • Today

    Today: Mostly sunny, with a high near 69. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. East wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. Southeast wind 5 to 8 mph, with gusts as high as 22 mph.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 50. Southeast wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 28 mph.

    Low: 50 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 70. West wind 5 to 7 mph becoming light and variable  in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 69. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Tonight
Partly cloudy, with a low around 46. East wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph.
Friday
Partly sunny, with a high near 69. Southeast wind 5 to 8 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 50. Southeast wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 28 mph.
Saturday
Sunny, with a high near 70. West wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 48. Light and variable wind.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.
Monday Night
Showers likely. Mostly cloudy, with a low around 41.
Tuesday
A chance of showers. Partly sunny, with a high near 53.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 39.
Wednesday
A slight chance of showers. Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
8:36 am MDT Sep 24, 2026
9am MDT Sep 24, 2026-6pm MDT Sep 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database