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

Ellsworth Air Force Base (KRCA)

Lat: 44.15°NLon: 103.1°WElev: 3278ft.

Fair

64°F

18°C

Humidity 30%
Wind Speed SE 17 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Oct 3:55 pm MDT
Extended Forecast for

Blackhawk SD

  • Tonight

    Tonight: Mostly clear, with a low around 46. South wind 6 to 11 mph, with gusts as high as 29 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Southwest wind around 5 mph becoming calm. Winds could gust as high as 15 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 47. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Light and variable wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Southeast wind 7 to 9 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. South wind 9 to 16 mph, with gusts as high as 32 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain.  Partly cloudy, with a low around 47. Breezy.

    Low: 47 °F

    Chance Rain
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. South wind 6 to 11 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 74. Southwest wind around 5 mph becoming calm. Winds could gust as high as 15 mph.
Tuesday Night
Clear, with a low around 47. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 69. Light and variable wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 52. Southeast wind 7 to 9 mph becoming south after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 78. South wind 9 to 16 mph, with gusts as high as 32 mph.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 77.
Friday Night
A chance of rain. Partly cloudy, with a low around 47. Breezy.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Blackhawk SD
 44.16°N 103.31°W (Elev. 3514 ft)
3:31 pm MDT Oct 19, 2026
4pm MDT Oct 19, 2026-6pm MDT Oct 26, 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