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

56°F

13°C

Humidity 59%
Wind Speed SE 8 mph
Barometer 30.27 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 19 Oct 11:55 am CDT
Extended Forecast for

2 Miles WSW Fort Thompson SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. East southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 46. Southeast wind around 9 mph.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South southeast wind 5 to 10 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. East wind around 6 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. South southeast wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. Southeast wind around 16 mph, with gusts as high as 26 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain before 1pm.  Partly sunny, with a high near 76. Breezy, with a south southeast wind 20 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Rain and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 65. East southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 46. Southeast wind around 9 mph.
Tuesday
Sunny, with a high near 71. 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 10 mph.
Wednesday
Sunny, with a high near 72. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. East wind around 6 mph.
Thursday
Sunny, with a high near 73. South 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
Mostly cloudy, with a low around 58. Southeast wind around 16 mph, with gusts as high as 26 mph.
Friday
A slight chance of rain before 1pm. Partly sunny, with a high near 76. Breezy, with a south southeast wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Friday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 56. Breezy. Chance of precipitation is 30%.
Saturday
A slight chance of rain. Partly sunny, with a high near 62. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 43. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Fort Thompson SD
 44.03°N 99.46°W (Elev. 1457 ft)
12:11 pm CDT Oct 19, 2026
12pm 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