Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

45°F

7°C

Humidity 46%
Wind Speed E 15 mph
Barometer 30.25 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 Oct 11:35 pm MDT
Extended Forecast for

9 Miles SW Lead SD

  • Tonight

    Tonight: Mostly clear, with a low around 34. South wind around 5 mph, with gusts as high as 16 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. South wind 3 to 5 mph. Winds could gust as high as 18 mph.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Southwest wind 3 to 6 mph. Winds could gust as high as 22 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Light west wind.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after midnight.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 34. South wind around 5 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 59. South wind 3 to 5 mph. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 42. Southwest wind 3 to 6 mph. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 64. Light west wind.
Tuesday Night
Mostly clear, with a low around 39. Calm wind.
Wednesday
Sunny, with a high near 62. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 49.
Friday
A chance of rain, mainly after noon. Partly sunny, with a high near 62.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Lead SD
 44.26°N 103.89°W (Elev. 6024 ft)
10:21 pm MDT Oct 18, 2026
11pm MDT Oct 18, 2026-6pm MDT Oct 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