National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

18°F

-8°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.93 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 7 Dec 3:15 am MST
Extended Forecast for

Nisland SD

  • Overnight

    Overnight: A 40 percent chance of snow, mainly before 5am. Cloudy, with a steady temperature around 17. Wind chill values as low as 6. Southeast wind around 9 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 40. Wind chill values as low as 7. Southeast wind 8 to 18 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 40 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. Wind chill values as low as 15. West wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 17 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. Wind chill values as low as 19 early. Breezy, with a west wind 16 to 25 mph, with gusts as high as 39 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain. Partly sunny, with a high near 54. Windy, with a northwest wind 24 to 29 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 54 °F

    Chance Rain
    and Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 39 mph.

    Low: 26 °F

    Slight Chance
    Snow and
    Blustery

  • Wednesday

    Wednesday: Snow likely before noon, then rain and snow likely between noon and 5pm, then rain likely after 5pm. Mostly cloudy, with a high near 38. Southwest wind 11 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 38 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 11pm. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly before 5am. Cloudy, with a steady temperature around 17. Wind chill values as low as 6. Southeast wind around 9 mph. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 40. Wind chill values as low as 7. Southeast wind 8 to 18 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 22. Wind chill values as low as 15. West wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 46. Wind chill values as low as 19 early. Breezy, with a west wind 16 to 25 mph, with gusts as high as 39 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 54. Windy, with a northwest wind 24 to 29 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 55 mph.
Tuesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 39 mph.
Wednesday
Snow likely before noon, then rain and snow likely between noon and 5pm, then rain likely after 5pm. Mostly cloudy, with a high near 38. Southwest wind 11 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Rain and snow likely, becoming all snow after 11pm. Mostly cloudy, with a low around 17.
Thursday
A chance of snow. Mostly cloudy, with a high near 25. Blustery.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 2.
Friday
A chance of snow. Mostly cloudy, with a high near 13.
Friday Night
A chance of snow. Mostly cloudy, with a low around 2.
Saturday
A slight chance of snow. Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nisland SD
 44.66°N 103.56°W (Elev. 2897 ft)
Last Update:
1:16 am MST Dec 7, 2025
Forecast Valid:
3am MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation