Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

28°F

-2°C

Humidity 71%
Wind Speed W 3 mph
Barometer 30.14 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 12 Jan 8:35 am CST
Extended Forecast for

2 Miles NW Fort Thompson SD

  • Today

    Today: Mostly sunny, with a high near 54. West wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain, mainly before 3pm.  Partly sunny, with a high near 51. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 40%.

    High: 51 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. North northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. North wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Northeast wind 6 to 10 mph becoming south after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Windy, with a south wind 10 to 20 mph becoming northwest 20 to 30 mph in the morning. Winds could gust as high as 41 mph.

    High: 46 °F

    Mostly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A slight chance of snow after midnight.  Mostly cloudy, with a low around 22. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 39 mph.  Chance of precipitation is 20%.

    Low: 22 °F

    Blustery.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of snow before noon.  Mostly cloudy, with a high near 30. Windy, with a north northwest wind 29 to 34 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 46 mph.  Chance of precipitation is 30%.

    High: 30 °F

    Windy. Chance
    Snow then
    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 54. West wind 5 to 11 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 39. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of rain, mainly before 3pm. Partly sunny, with a high near 51. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 26. North northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Wednesday
Partly sunny, with a high near 34. North wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 21. Northeast wind 6 to 10 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 46. Windy, with a south wind 10 to 20 mph becoming northwest 20 to 30 mph in the morning. Winds could gust as high as 41 mph.
Thursday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 22. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Friday
A chance of snow before noon. Mostly cloudy, with a high near 30. Windy, with a north northwest wind 29 to 34 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 11. Blustery.
Saturday
Mostly sunny, with a high near 25. Blustery.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Fort Thompson SD
 44.07°N 99.43°W (Elev. 1480 ft)
8:36 am CST Jan 12, 2026
8am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database