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.

Fair

63°F

17°C

Humidity 83%
Wind Speed SW 10 mph
Barometer 29.99 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Sep 7:55 pm MDT
Extended Forecast for

3 Miles WNW Whitewood SD

  • Tonight

    Tonight: Isolated showers before 9pm.  Mostly clear, with a low around 60. South wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    Low: 60 °F

    Isolated
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

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

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Northeast wind around 7 mph becoming southwest in the evening.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers.  Partly sunny, with a high near 68. West wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers before 9pm. Mostly clear, with a low around 60. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 84. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 59. North wind 5 to 9 mph becoming south in the evening. Winds could gust as high as 16 mph.
Thursday
Sunny, with a high near 82. Southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 54. Northeast wind around 7 mph becoming southwest in the evening.
Friday
A slight chance of showers. Partly sunny, with a high near 68. West wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
A slight chance of showers. Mostly sunny, with a high near 66.
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 40.
Monday
A chance of showers. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Whitewood SD
 44.49°N 103.7°W (Elev. 3730 ft)
7:37 pm MDT Sep 29, 2025
8pm MDT Sep 29, 2025-6pm MDT Oct 6, 2025
 
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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