Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

43°F

6°C

Humidity 53%
Wind Speed SW 5 mph
Barometer 30.14 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 18 Oct 7:15 am MDT
Extended Forecast for

Lead SD

  • Today

    Today: Sunny, with a high near 60. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. South wind 3 to 6 mph. Winds could gust as high as 18 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. Southeast wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Southeast wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Northwest wind around 5 mph becoming calm  in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 60. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 39. South wind 3 to 6 mph. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 63. Southeast wind 6 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 45. Southeast wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 71. Northwest wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. Light and variable wind.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A slight chance of rain. Partly sunny, with a high near 73.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 42.
Saturday
A chance of rain and snow. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.74°W (Elev. 5000 ft)
6:56 am MDT Oct 18, 2026
7am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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