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

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

36°F

2°C

Humidity 54%
Wind Speed Calm
Barometer 29.79 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 15 Feb 11:55 pm CST
Extended Forecast for

Reliance SD

  • Overnight

    Overnight: Mostly clear, with a low around 30. West northwest wind around 5 mph becoming light and variable.

    Low: 30 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 65. East northeast wind 5 to 13 mph becoming southeast in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 38. East southeast wind 10 to 16 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. East southeast wind 14 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 3am, then a slight chance of rain and snow. Partly cloudy, with a low around 33. Breezy, with a west wind 14 to 19 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Breezy.
    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 46. Windy, with a west northwest wind 21 to 31 mph, with gusts as high as 40 mph.

    High: 46 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of snow after midnight. Mostly cloudy, with a low around 16. Blustery, with a north wind 20 to 23 mph. Chance of precipitation is 20%.

    Low: 16 °F

    Blustery.
    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 24. Blustery, with a north northwest wind 23 to 28 mph. Chance of precipitation is 50%.

    High: 24 °F

    Chance Snow
    and Blustery

  • Thursday Night

    Thursday Night: A chance of snow before midnight. Mostly cloudy, with a low around 6. Blustery, with a northwest wind 17 to 22 mph. Chance of precipitation is 30%.

    Low: 6 °F

    Chance Snow
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 30. West northwest wind around 5 mph becoming light and variable.
Washington's Birthday
Sunny, with a high near 65. East northeast wind 5 to 13 mph becoming southeast in the afternoon.
Monday Night
Increasing clouds, with a low around 38. East southeast wind 10 to 16 mph.
Tuesday
Mostly cloudy, with a high near 60. East southeast wind 14 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A slight chance of rain before 3am, then a slight chance of rain and snow. Partly cloudy, with a low around 33. Breezy, with a west wind 14 to 19 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 46. Windy, with a west northwest wind 21 to 31 mph, with gusts as high as 40 mph.
Wednesday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 16. Blustery, with a north wind 20 to 23 mph. Chance of precipitation is 20%.
Thursday
A chance of snow. Mostly cloudy, with a high near 24. Blustery, with a north northwest wind 23 to 28 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 6. Blustery, with a northwest wind 17 to 22 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 28. Blustery.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 20%.
Saturday
A slight chance of snow. Partly sunny, with a high near 32. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 7.
Sunday
Sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Reliance SD
 43.88°N 99.6°W (Elev. 1781 ft)
Last Update:
11:36 pm CST Feb 15, 2026
Forecast Valid:
12am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation