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

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

40°F

4°C

Humidity 79%
Wind Speed E 5 mph
Barometer 30.23 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Oct 6:55 am CDT
Extended Forecast for

2 Miles SW Fort Thompson SD

  • Today

    Today: Sunny, with a high near 65. East southeast wind 7 to 11 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. East southeast wind around 8 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South southeast wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. East northeast wind around 5 mph becoming southeast after midnight.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Southeast wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am.  Mostly cloudy, with a low around 58. Southeast wind 15 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers.  Mostly cloudy, with a high near 75. Breezy, with a south southeast wind 21 to 25 mph, with gusts as high as 37 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 65. East southeast wind 7 to 11 mph.
Tonight
Mostly clear, with a low around 45. East southeast wind around 8 mph.
Tuesday
Sunny, with a high near 69. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 49. South southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 71. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. East northeast wind around 5 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 72. Southeast wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 58. Southeast wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly cloudy, with a high near 75. Breezy, with a south southeast wind 21 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 30%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 61. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Fort Thompson SD
 44.03°N 99.43°W (Elev. 1401 ft)
5:40 am CDT Oct 19, 2026
7am CDT Oct 19, 2026-6pm CDT 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