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 >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

32°F

0°C

Humidity 47%
Wind Speed SW 18 G 25 mph
Barometer 29.91 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 4 Dec 4:15 am MST
Extended Forecast for

5 Miles S Lead SD

  • Today

    Today: Mostly sunny, with a high near 30. Wind chill values as low as 13. West wind 7 to 9 mph, with gusts as high as 24 mph.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 8pm. Mostly cloudy, with a low around 20. Wind chill values as low as 7. West wind 9 to 13 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 27. Wind chill values as low as 7. West wind 6 to 11 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a steady temperature around 19. Wind chill values as low as 10. South wind around 6 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly before 11am. Mostly cloudy, with a temperature rising to near 22 by 11am, then falling to around 15 during the remainder of the day. Northwest wind around 6 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 22 °F⇓

    Snow Likely

  • Saturday Night

    Saturday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 9. West wind 3 to 5 mph. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Snow Likely

  • Sunday

    Sunday: A 30 percent chance of snow before 11am. Mostly sunny, with a high near 31. West wind around 7 mph, with gusts as high as 22 mph.

    High: 31 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 21. Southwest wind 6 to 10 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Monday

    Monday: A slight chance of snow before 11am. Mostly sunny, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 30. Wind chill values as low as 13. West wind 7 to 9 mph, with gusts as high as 24 mph.
Tonight
A 50 percent chance of snow, mainly after 8pm. Mostly cloudy, with a low around 20. Wind chill values as low as 7. West wind 9 to 13 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 27. Wind chill values as low as 7. West wind 6 to 11 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a steady temperature around 19. Wind chill values as low as 10. South wind around 6 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a temperature rising to near 22 by 11am, then falling to around 15 during the remainder of the day. Northwest wind around 6 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 9. West wind 3 to 5 mph. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A 30 percent chance of snow before 11am. Mostly sunny, with a high near 31. West wind around 7 mph, with gusts as high as 22 mph.
Sunday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 21. Southwest wind 6 to 10 mph, with gusts as high as 26 mph.
Monday
A slight chance of snow before 11am. Mostly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 39.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 22.
Wednesday
Snow likely. Mostly cloudy, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Lead SD
 44.29°N 103.77°W (Elev. 6030 ft)
Last Update:
2:46 am MST Dec 4, 2025
Forecast Valid:
4am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
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