National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

26°F

-3°C

Humidity 71%
Wind Speed NW 9 mph
Barometer 30.36 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 10 Jan 5:35 pm CST
Extended Forecast for

Reliance SD

  • Tonight

    Tonight: Partly cloudy, with a low around 17. North northwest wind 6 to 10 mph becoming south after midnight.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 48. South southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West wind 10 to 14 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 32 mph.

    Low: 39 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Breezy, with a west northwest wind 22 to 29 mph, with gusts as high as 40 mph.

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Blustery, with a north northwest wind 18 to 22 mph, with gusts as high as 33 mph.

    Low: 27 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. North wind 11 to 18 mph becoming south in the afternoon. Winds could gust as high as 26 mph.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. South southeast wind 9 to 13 mph becoming west southwest after midnight.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. North northwest wind 6 to 10 mph becoming south after midnight.
Sunday
Sunny, with a high near 48. South southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 28. West wind 10 to 14 mph.
Monday
Mostly sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 39. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 53. Breezy, with a west northwest wind 22 to 29 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Blustery, with a north northwest wind 18 to 22 mph, with gusts as high as 33 mph.
Wednesday
Partly sunny, with a high near 39. North wind 11 to 18 mph becoming south in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 25. South southeast wind 9 to 13 mph becoming west southwest after midnight.
Thursday
Mostly sunny, with a high near 48. Windy.
Thursday Night
Mostly cloudy, with a low around 24. Windy.
Friday
A slight chance of snow. Mostly cloudy, with a high near 32. Windy. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 13. Blustery.
Saturday
Partly sunny, with a high near 31. Blustery.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reliance SD
 43.9°N 99.6°W (Elev. 1798 ft)
Last Update:
5:36 pm CST Jan 10, 2026
Forecast Valid:
5pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation