Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

28°F

-2°C

Humidity 51%
Wind Speed E 6 mph
Barometer 29.99 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 16 Mar 4:35 pm MDT
Extended Forecast for

2 Miles SW Lead SD

  • Tonight

    Tonight: Rain likely, possibly mixed with snow before 4am, then a chance of rain.  Mostly cloudy, with a temperature rising to around 35 by 5am. Wind chill values as low as 17. West wind 5 to 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. West wind 10 to 16 mph, with gusts as high as 34 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. West wind around 10 mph, with gusts as high as 31 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. West wind around 8 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. West wind 7 to 9 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. West wind 7 to 9 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68. West wind 9 to 11 mph, with gusts as high as 28 mph.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, possibly mixed with snow before 4am, then a chance of rain. Mostly cloudy, with a temperature rising to around 35 by 5am. Wind chill values as low as 17. West wind 5 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 53. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.
Tuesday Night
Partly cloudy, with a low around 38. West wind 10 to 16 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 63. West wind around 10 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 40. West wind around 8 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 68. West wind 7 to 9 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 46. West wind 7 to 9 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 68. West wind 9 to 11 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A slight chance of rain after noon. Mostly sunny, with a high near 65.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30.
Sunday
A slight chance of snow. Partly sunny, with a high near 46.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
3:42 pm MDT Mar 16, 2026
4pm MDT Mar 16, 2026-6pm MDT Mar 23, 2026
 
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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