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

Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

28°F

-2°C

Humidity 64%
Wind Speed Vrbl 3 mph
Barometer 29.99 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 4 Dec 12:55 am MST
Extended Forecast for

4 Miles WSW Lead SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 21. Wind chill values as low as 7. West wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of snow after 5pm. Partly sunny, with a high near 27. Wind chill values as low as 5. West wind around 10 mph, with gusts as high as 28 mph.

    High: 27 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly after 8pm. Mostly cloudy, with a steady temperature around 21. Wind chill values as low as 6. West wind 13 to 16 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly before 11am. Partly sunny, with a high near 25. Wind chill values as low as 6. West wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 13. Southwest wind 8 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.

    Low: 13 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 23. Northwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 9. Southwest wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 9 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow before 11am. Mostly sunny, with a high near 29. West wind 7 to 9 mph, with gusts as high as 22 mph.

    High: 29 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 21. Wind chill values as low as 7. West wind 11 to 13 mph, with gusts as high as 22 mph.
Thursday
A 10 percent chance of snow after 5pm. Partly sunny, with a high near 27. Wind chill values as low as 5. West wind around 10 mph, with gusts as high as 28 mph.
Thursday Night
A 50 percent chance of snow, mainly after 8pm. Mostly cloudy, with a steady temperature around 21. Wind chill values as low as 6. West wind 13 to 16 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 11am. Partly sunny, with a high near 25. Wind chill values as low as 6. West wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 13. Southwest wind 8 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 23. Northwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 9. Southwest wind 6 to 9 mph, with gusts as high as 16 mph.
Sunday
A chance of snow before 11am. Mostly sunny, with a high near 29. West wind 7 to 9 mph, with gusts as high as 22 mph.
Sunday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 21.
Monday
A slight chance of snow before 11am. Partly sunny, with a high near 34.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Partly sunny, with a high near 38.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 23. Breezy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
Last Update:
12:56 am MST Dec 4, 2025
Forecast Valid:
1am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
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Additional Resources

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