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

39°F

4°C

Humidity 52%
Wind Speed W 8 mph
Barometer 30.11 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 18 Apr 10:15 pm MDT
Extended Forecast for

2 Miles SW Lead SD

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 29. Calm wind becoming west around 6 mph. Winds could gust as high as 18 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Southeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Northwest wind 5 to 8 mph becoming calm. Winds could gust as high as 18 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind around 6 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. East wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 73. Southwest wind 8 to 10 mph, with gusts as high as 26 mph.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 29. Calm wind becoming west around 6 mph. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 54. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 35. Southeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Monday
Mostly sunny, with a high near 68. 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 42. Northwest wind 5 to 8 mph becoming calm. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 75. Southwest wind around 6 mph becoming north in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 51. East wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 20 mph.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 73. Southwest wind 8 to 10 mph, with gusts as high as 26 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 35.
Thursday
Rain showers likely before 8am, then rain and snow showers likely between 8am and noon, then snow showers after noon. Mostly cloudy, with a high near 44.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Friday
A chance of snow showers. Mostly sunny, with a high near 39.
Friday Night
A chance of snow showers. Partly cloudy, with a low around 22.
Saturday
A chance of snow showers. Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
10:22 pm MDT Apr 18, 2026
10pm MDT Apr 18, 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