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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

63°F

17°C

Humidity 49%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 4 Oct 10:55 am MDT
Extended Forecast for

Lead SD

  • Today

    Today: Sunny, with a high near 72. Southeast wind 3 to 8 mph. Winds could gust as high as 17 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 51. Southeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83. Southwest wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Light west wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Light and variable wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

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

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Southeast wind 3 to 8 mph. Winds could gust as high as 17 mph.
Tonight
Clear, with a low around 51. Southeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 83. Southwest wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 54. Light west wind.
Tuesday
Sunny, with a high near 75. Light and variable wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 47. Light and variable wind.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.74°W (Elev. 5000 ft)
Last Update:
10:26 am MDT Oct 4, 2026
Forecast Valid:
11am MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation