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 29.92 in
Dewpoint 28°F (-2°C)
Visibility 2.00 mi
Last update 17 Apr 12:55 am MDT
Extended Forecast for

Spearfish SD

  • Overnight

    Overnight: Snow likely, mainly before 2am.  Cloudy, with a low around 28. Wind chill values as low as 19. West wind 9 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow Likely

  • Friday

    Friday: A slight chance of snow between 9am and noon.  Cloudy, then gradually becoming mostly sunny, with a high near 38. Wind chill values as low as 19. Breezy, with a northwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 20%.

    High: 38 °F

    Breezy.
    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Wind chill values as low as 16. Blustery, with a west wind 15 to 20 mph decreasing to 8 to 13 mph in the evening. Winds could gust as high as 30 mph.

    Low: 26 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers before noon.  Partly sunny, with a high near 48. Wind chill values as low as 18 early. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 31 mph.

    High: 48 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 28 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Light and variable wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. East wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 17 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Snow likely, mainly before 2am. Cloudy, with a low around 28. Wind chill values as low as 19. West wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
Friday
A slight chance of snow between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 38. Wind chill values as low as 19. Breezy, with a northwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 26. Wind chill values as low as 16. Blustery, with a west wind 15 to 20 mph decreasing to 8 to 13 mph in the evening. Winds could gust as high as 30 mph.
Saturday
A 20 percent chance of snow showers before noon. Partly sunny, with a high near 48. Wind chill values as low as 18 early. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 33. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 66. Light and variable wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
Mostly clear, with a low around 41. East wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 75. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of showers. Partly sunny, with a high near 82.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
Showers likely. Partly sunny, with a high near 64. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
12:32 am MDT Apr 17, 2026
1am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
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