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

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

32°F

0°C

Humidity 47%
Wind Speed E 8 mph
Barometer 29.77 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 8 Jan 5:35 pm MST
Extended Forecast for

Lead SD

  • This Afternoon

    This Afternoon: Snow likely. Cloudy, with a steady temperature around 30. Calm wind. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 30 °F

    Snow Likely

  • Tonight

    Tonight: Snow. Low around 19. Wind chill values as low as 11. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow

  • Friday

    Friday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 27. Wind chill values as low as 9. Northwest wind 9 to 14 mph, with gusts as high as 33 mph.

    High: 27 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around 26 by 11pm. Wind chill values as low as 11. West wind 10 to 13 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.

    Low: 22 °F⇑

    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind 8 to 13 mph, with gusts as high as 34 mph. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a temperature falling to near 28 by 8pm, then rising to around 33 during the remainder of the night. West wind 6 to 8 mph, with gusts as high as 24 mph.

    Low: 28 °F⇑

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. West wind around 9 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. West wind 7 to 9 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Snow likely. Cloudy, with a steady temperature around 30. Calm wind. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. Low around 19. Wind chill values as low as 11. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 27. Wind chill values as low as 9. Northwest wind 9 to 14 mph, with gusts as high as 33 mph.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around 26 by 11pm. Wind chill values as low as 11. West wind 10 to 13 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind 8 to 13 mph, with gusts as high as 34 mph. New snow accumulation of less than one inch possible.
Saturday Night
Partly cloudy, with a temperature falling to near 28 by 8pm, then rising to around 33 during the remainder of the night. West wind 6 to 8 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 48. West wind around 9 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 35. West wind 7 to 9 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 51.
Monday Night
A chance of rain and snow, mainly after 5am. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 45.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 32.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
A chance of snow. Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.33°N 103.74°W (Elev. 5518 ft)
Last Update:
3:07 pm MST Jan 8, 2026
Forecast Valid:
5pm MST Jan 8, 2026-6pm MST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation