Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

30°F

-1°C

Humidity 80%
Wind Speed S 8 mph
Barometer 30.15 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 19 Apr 4:55 am MDT
Extended Forecast for

Lead SD

  • Today

    Today: Sunny, with a high near 55. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Southeast wind around 7 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Northwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 17 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. Light and variable wind becoming south around 6 mph in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 74. Southwest wind 6 to 9 mph, with gusts as high as 25 mph.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 37. West wind 9 to 15 mph, with gusts as high as 33 mph.

    Low: 37 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 9am, then rain and snow showers between 9am and 3pm, then snow showers after 3pm.  Partly sunny, with a high near 46. Breezy.

    High: 46 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 55. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 37. Southeast wind around 7 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 70. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 44. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 76. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 54. Light and variable wind becoming south around 6 mph in the evening. Winds could gust as high as 18 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. Southwest wind 6 to 9 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. West wind 9 to 15 mph, with gusts as high as 33 mph.
Thursday
Rain showers likely before 9am, then rain and snow showers between 9am and 3pm, then snow showers after 3pm. Partly sunny, with a high near 46. Breezy.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 25. Blustery.
Friday
A chance of snow showers. Mostly sunny, with a high near 41.
Friday Night
A chance of snow showers. Partly cloudy, with a low around 24.
Saturday
A chance of snow showers. Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.33°N 103.74°W (Elev. 5518 ft)
4:22 am MDT Apr 19, 2026
5am MDT Apr 19, 2026-6pm MDT Apr 25, 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