Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Snow

28°F

-2°C

Humidity 100%
Wind Speed NA
Barometer 29.91 in
Dewpoint 28°F (-2°C)
Visibility 2.00 mi
Last update 17 Apr 1:15 am MDT
Extended Forecast for

3 Miles WSW Lead SD

  • Overnight

    Overnight: Snow likely, mainly before 2am.  Cloudy, with a low around 19. Wind chill values as low as 6. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 19 °F

    Snow Likely

  • Friday

    Friday: A slight chance of snow between 9am and noon.  Cloudy, then gradually becoming mostly sunny, with a high near 29. Wind chill values as low as 5. Northwest wind 13 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17. Wind chill values as low as 5. West wind 9 to 17 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow showers, mainly before noon.  Partly sunny, with a high near 38. Wind chill values as low as 6. Northwest wind 14 to 17 mph, with gusts as high as 31 mph.

    High: 38 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Northwest wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 28 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Southwest wind 5 to 7 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. East wind around 9 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. Southwest wind around 9 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Snow likely, mainly before 2am. Cloudy, with a low around 19. Wind chill values as low as 6. Northwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.
Friday
A slight chance of snow between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 29. Wind chill values as low as 5. Northwest wind 13 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 17. Wind chill values as low as 5. West wind 9 to 17 mph, with gusts as high as 30 mph.
Saturday
A 30 percent chance of snow showers, mainly before noon. Partly sunny, with a high near 38. Wind chill values as low as 6. Northwest wind 14 to 17 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 27. Northwest wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 55. Southwest wind 5 to 7 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 35. East wind around 9 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 64. Southwest wind around 9 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
A chance of showers. Mostly sunny, with a high near 71.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 41.
Thursday
Rain and snow showers likely. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
12:32 am MDT Apr 17, 2026
1am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database