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

50°F

10°C

Humidity 37%
Wind Speed SE 17 mph
Barometer 30.22 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Oct 1:15 am MDT
Extended Forecast for

3 Miles SSW Spearfish SD

  • Overnight

    Overnight: Mostly clear, with a low around 40. South wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Southeast wind around 7 mph, with gusts as high as 17 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. South wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

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

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Calm wind becoming west around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 40. South wind 6 to 8 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 65. Southeast wind around 7 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 48. South wind 6 to 8 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 71. South wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. Calm wind becoming west around 5 mph.
Wednesday
Sunny, with a high near 65. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A chance of rain, mainly after noon. Partly sunny, with a high near 69. Breezy.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39. Breezy.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Spearfish SD
 44.46°N 103.87°W (Elev. 4147 ft)
12:31 am MDT Oct 19, 2026
1am MDT Oct 19, 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