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 13 mph
Barometer 30.25 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 18 Oct 11:15 pm MDT
Extended Forecast for

2 Miles S Lead SD

  • Tonight

    Tonight: Mostly clear, with a low around 36. South wind around 6 mph, with gusts as high as 16 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. South wind around 7 mph, with gusts as high as 21 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Southwest wind around 5 mph becoming calm  in the morning.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Light and variable wind. Winds could gust as high as 15 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after midnight.  Partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 36. South wind around 6 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 61. South wind around 7 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 44. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 68. Southwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 63. Light and variable wind. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 51.
Friday
A chance of rain, mainly after noon. Partly sunny, with a high near 66.
Friday Night
Rain likely. Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Lead SD
 44.33°N 103.77°W (Elev. 5197 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