Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Partly Cloudy

43°F

6°C

Humidity 66%
Wind Speed NW 17 G 28 mph
Barometer 30.05 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Oct 9:55 am MDT
Extended Forecast for

Nisland SD

  • Today

    Today: Sunny, with a high near 51. Windy, with a northwest wind 22 to 30 mph, with gusts as high as 46 mph.

    High: 51 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind 6 to 16 mph becoming southeast after midnight. Winds could gust as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 67. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 67 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 41. Breezy, with a northeast wind 8 to 13 mph becoming west 21 to 26 mph in the evening. Winds could gust as high as 38 mph.  Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers.  Sunny, with a high near 53. Windy, with a northwest wind 28 to 33 mph increasing to 34 to 39 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 53 °F

    Slight Chance
    Showers and
    Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Breezy, with a west wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.

    Low: 33 °F

    Mostly Clear
    and Breezy
    then Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. West wind around 10 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Southeast wind around 9 mph becoming west after midnight.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 51. Windy, with a northwest wind 22 to 30 mph, with gusts as high as 46 mph.
Tonight
Mostly clear, with a low around 31. West wind 6 to 16 mph becoming southeast after midnight. Winds could gust as high as 25 mph.
Sunday
Increasing clouds, with a high near 67. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. Breezy, with a northeast wind 8 to 13 mph becoming west 21 to 26 mph in the evening. Winds could gust as high as 38 mph. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers. Sunny, with a high near 53. Windy, with a northwest wind 28 to 33 mph increasing to 34 to 39 mph in the afternoon. Winds could gust as high as 55 mph.
Monday Night
Mostly clear, with a low around 33. Breezy, with a west wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.
Tuesday
Sunny, with a high near 59. West wind around 10 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 36. Southeast wind around 9 mph becoming west after midnight.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Nisland SD
 44.66°N 103.56°W (Elev. 2897 ft)
9:11 am MDT Oct 18, 2025
10am MDT Oct 18, 2025-6pm MDT Oct 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database