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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

25°F

-4°C

Humidity 86%
Wind Speed SE 8 mph
Barometer 30.00 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 28 Nov 3:35 am MST
Extended Forecast for

Lead SD

Winter Weather Advisory November 28, 05:00pm until November 29, 11:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 31. Calm wind becoming south around 5 mph. Winds could gust as high as 18 mph.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Snow likely, mainly after 5pm. Increasing clouds, with a temperature rising to near 36 by noon, then falling to around 26 during the remainder of the day. Wind chill values as low as 20. West wind around 6 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F⇓

    Partly Sunny
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Patchy blowing snow after 2am. Low around 5. Wind chill values as low as -10. Northwest wind 6 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 5 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow, mainly before 11am. High near 15. Wind chill values as low as -10. Northwest wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 15 °F

    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1. Calm wind.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 21. Light and variable wind.

    High: 21 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. Southwest wind 3 to 6 mph. Winds could gust as high as 16 mph.

    Low: 7 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 30. West wind around 8 mph, with gusts as high as 21 mph.

    High: 30 °F

    Sunny

  • Monday Night

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

    Low: 21 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 31. Calm wind becoming south around 5 mph. Winds could gust as high as 18 mph.
Friday
Snow likely, mainly after 5pm. Increasing clouds, with a temperature rising to near 36 by noon, then falling to around 26 during the remainder of the day. Wind chill values as low as 20. West wind around 6 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Snow. The snow could be heavy at times. Patchy blowing snow after 2am. Low around 5. Wind chill values as low as -10. Northwest wind 6 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow, mainly before 11am. High near 15. Wind chill values as low as -10. Northwest wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Mostly clear, with a low around 1. Calm wind.
Sunday
Mostly sunny, with a high near 21. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 7. Southwest wind 3 to 6 mph. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 30. West wind around 8 mph, with gusts as high as 21 mph.
Monday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 21.
Tuesday
A chance of snow. Mostly cloudy, with a high near 36.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 20.
Wednesday
A chance of snow. Mostly cloudy, with a high near 26.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 18.
Thursday
A chance of snow. Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
3:22 am MST Nov 28, 2025
Forecast Valid:
3am MST Nov 28, 2025-6pm MST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation