Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity 61%
Wind Speed SW 6 mph
Barometer 29.87 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Mar 6:35 pm MST
Extended Forecast for

4 Miles WSW Lead SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Calm wind becoming west 5 to 7 mph in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. North wind 5 to 8 mph becoming light and variable  in the afternoon. Winds could gust as high as 16 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. South wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm, then a slight chance of rain and snow after 3pm.  Partly sunny, with a high near 49. Southwest wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 24. Northwest wind around 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 31. Northwest wind around 11 mph, with gusts as high as 26 mph.

    High: 31 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 21.

    Low: 21 °F

    Chance Snow
    then Mostly
    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Calm wind becoming west 5 to 7 mph in the evening.
Tuesday
Sunny, with a high near 46. North wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 28. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 53. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 35. South wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday
A slight chance of rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm, then a slight chance of rain and snow after 3pm. Partly sunny, with a high near 49. Southwest wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 24. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 31. Northwest wind around 11 mph, with gusts as high as 26 mph.
Friday Night
A chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 21.
Saturday
Sunny, with a high near 40.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 29.
Sunday
A slight chance of snow. Mostly sunny, with a high near 46.
Sunday Night
A chance of snow. Partly cloudy, with a low around 29.
Monday
Snow likely. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
6:32 pm MST Mar 2, 2026
6pm MST Mar 2, 2026-6pm MDT Mar 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database