Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

66°F

19°C

Humidity 83%
Wind Speed Vrbl 5 mph
Barometer 30.00 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 29 Sep 6:15 pm MDT
Extended Forecast for

North Spearfish SD

  • Tonight

    Tonight: Scattered showers and thunderstorms before 7pm.  Partly cloudy, with a low around 60. South wind 7 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    Low: 60 °F

    Scattered
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. South wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. Southwest wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Light and variable wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 16 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. South wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Northeast wind 5 to 7 mph becoming southwest after midnight.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers.  Partly sunny, with a high near 68. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. South wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 85. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 60. South wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 78. Southwest wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 59. Light and variable wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 16 mph.
Thursday
Sunny, with a high near 83. South wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 53. Northeast wind 5 to 7 mph becoming southwest after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 68. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46.
Saturday
A slight chance of showers. Mostly sunny, with a high near 67.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 45.
Sunday
A chance of showers. Partly sunny, with a high near 57.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39.
Monday
A chance of showers. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
North Spearfish SD
 44.5°N 103.88°W (Elev. 3648 ft)
5:36 pm MDT Sep 29, 2025
6pm MDT Sep 29, 2025-6pm MDT Oct 6, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database