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

39°F

4°C

Humidity 47%
Wind Speed W 9 mph
Barometer 30.14 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Jan 10:35 am CST
Extended Forecast for

Stephan SD

  • Today

    Today: Mostly sunny, with a high near 51. West wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 13 to 17 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain between 9am and 3pm.  Partly sunny, with a high near 49. Breezy, with a west northwest wind 18 to 25 mph, with gusts as high as 37 mph.  Chance of precipitation is 40%.

    High: 49 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Blustery, with a north northwest wind 17 to 20 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. North wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. East northeast wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Windy, with a south wind 14 to 19 mph becoming northwest 25 to 30 mph in the morning. Winds could gust as high as 43 mph.

    High: 44 °F

    Mostly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A chance of snow after midnight.  Mostly cloudy, with a low around 21. Blustery, with a northwest wind 24 to 28 mph, with gusts as high as 40 mph.  Chance of precipitation is 30%.

    Low: 21 °F

    Blustery.
    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A chance of snow, mainly before noon.  Mostly cloudy, with a high near 29. Windy, with a north northwest wind 25 to 33 mph, with gusts as high as 45 mph.  Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow
    and Windy

Detailed Forecast

Today
Mostly sunny, with a high near 51. West wind 7 to 14 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 39. West wind 13 to 17 mph, with gusts as high as 30 mph.
Tuesday
A chance of rain between 9am and 3pm. Partly sunny, with a high near 49. Breezy, with a west northwest wind 18 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 25. Blustery, with a north northwest wind 17 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 32. North wind 7 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 21. East northeast wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph.
Thursday
Mostly sunny, with a high near 44. Windy, with a south wind 14 to 19 mph becoming northwest 25 to 30 mph in the morning. Winds could gust as high as 43 mph.
Thursday Night
A chance of snow after midnight. Mostly cloudy, with a low around 21. Blustery, with a northwest wind 24 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Friday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 29. Windy, with a north northwest wind 25 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 10. Blustery.
Saturday
Mostly sunny, with a high near 23. Blustery.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Stephan SD
 44.25°N 99.47°W (Elev. 1867 ft)
10:36 am CST Jan 12, 2026
10am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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