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

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

54°F

12°C

Humidity 37%
Wind Speed Calm
Barometer 29.59 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 7 Jan 4:35 pm CST
Extended Forecast for

5 Miles WSW Reliance SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 58. South southeast wind 3 to 5 mph.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. South wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 40. North wind 9 to 14 mph.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. North wind 7 to 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 38. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 38 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. West northwest wind 15 to 18 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29. Blustery, with a north northwest wind 17 to 24 mph, with gusts as high as 36 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. North northwest wind 8 to 14 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 42. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 58. South southeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 29. South wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph.
Thursday
Mostly cloudy, with a high near 40. North wind 9 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 22. North wind 7 to 10 mph.
Friday
Mostly cloudy, with a high near 38. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 19. West northwest wind 15 to 18 mph.
Saturday
Mostly sunny, with a high near 29. Blustery, with a north northwest wind 17 to 24 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 12. North northwest wind 8 to 14 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 42. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 49. Breezy.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Reliance SD
 43.85°N 99.69°W (Elev. 1752 ft)
Last Update:
4:36 pm CST Jan 7, 2026
Forecast Valid:
4pm CST Jan 7, 2026-6pm CST Jan 13, 2026
 
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