Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

33°F

1°C

Humidity 49%
Wind Speed NW 15 G 24 mph
Barometer 29.69 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 18 Feb 5:35 pm CST
Extended Forecast for

Fort Thompson SD

  • Tonight

    Tonight: Increasing clouds, with a low around 17. North wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 27. Blustery, with a north northwest wind 15 to 22 mph, with gusts as high as 31 mph.

    High: 27 °F

    Mostly Cloudy
    and Blustery

  • Thursday Night

    Thursday Night: A slight chance of snow.  Mostly cloudy, with a low around 10. North northwest wind 13 to 18 mph.  Chance of precipitation is 20%.

    Low: 10 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 25. Northwest wind 9 to 11 mph.

    High: 25 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8. North wind 5 to 8 mph.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 32. Northwest wind 5 to 9 mph.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6. North northwest wind around 8 mph.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 29. North northwest wind 7 to 9 mph.

    High: 29 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. North wind around 8 mph becoming southeast after midnight.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 17. North wind 13 to 18 mph, with gusts as high as 28 mph.
Thursday
Mostly cloudy, with a high near 27. Blustery, with a north northwest wind 15 to 22 mph, with gusts as high as 31 mph.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 10. North northwest wind 13 to 18 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 25. Northwest wind 9 to 11 mph.
Friday Night
Partly cloudy, with a low around 8. North wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 32. Northwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 6. North northwest wind around 8 mph.
Sunday
Sunny, with a high near 29. North northwest wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 5. North wind around 8 mph becoming southeast after midnight.
Monday
Sunny, with a high near 39. Breezy.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
5:36 pm CST Feb 18, 2026
5pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database