Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity 61%
Wind Speed S 6 mph
Barometer 29.97 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 1 Feb 7:15 pm MST
Extended Forecast for

8 Miles SSW Lead SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 24 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow showers after 11am.  Mostly sunny, with a high near 36. Wind chill values as low as 19. Northwest wind 9 to 15 mph, with gusts as high as 36 mph.

    High: 36 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before 11pm.  Partly cloudy, with a low around 23. Northwest wind 6 to 10 mph, with gusts as high as 33 mph.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 33. Wind chill values as low as 17. West wind 7 to 10 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 20. Northwest wind 6 to 9 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Chance Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. West wind around 6 mph, with gusts as high as 21 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. West wind 7 to 9 mph, with gusts as high as 31 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 30 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 24 mph.
Monday
A 30 percent chance of snow showers after 11am. Mostly sunny, with a high near 36. Wind chill values as low as 19. Northwest wind 9 to 15 mph, with gusts as high as 36 mph.
Monday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 23. Northwest wind 6 to 10 mph, with gusts as high as 33 mph.
Tuesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. Wind chill values as low as 17. West wind 7 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 20. Northwest wind 6 to 9 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 39. West wind around 6 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 30. West wind 7 to 9 mph, with gusts as high as 31 mph.
Thursday
Sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Lead SD
 44.24°N 103.79°W (Elev. 6198 ft)
7:22 pm MST Feb 1, 2026
7pm MST Feb 1, 2026-6pm MST Feb 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database