National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Partly Cloudy

46°F

8°C

Humidity 37%
Wind Speed NW 15 G 22 mph
Barometer 30.09 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 18 Apr 5:55 pm MDT
Extended Forecast for

3 Miles WSW Lead SD

  • Tonight

    Tonight: Mostly clear, with a low around 26. Wind chill values as low as 19. West wind 5 to 15 mph, with gusts as high as 31 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Light and variable wind becoming northeast 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Northwest wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. North wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon. Partly sunny, with a high near 71. Southwest wind 11 to 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight. Partly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Wind chill values as low as 19. West wind 5 to 15 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 51. Light and variable wind becoming northeast 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 36. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 64. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 41. Northwest wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 70. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 51. North wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 25 mph.
Wednesday
A chance of showers after noon. Partly sunny, with a high near 71. Southwest wind 11 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Showers likely, mainly before midnight. Partly cloudy, with a low around 35. Breezy.
Thursday
Rain and snow showers likely before noon, then snow showers. Partly sunny, with a high near 42. Breezy.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 21. Blustery.
Friday
A chance of snow showers. Partly sunny, with a high near 35. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20.
Saturday
A chance of snow showers. Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
Last Update:
5:01 pm MDT Apr 18, 2026
Forecast Valid:
6pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation