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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Partly Cloudy

53°F

12°C

Humidity 67%
Wind Speed SE 18 G 25 mph
Barometer 29.34 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 17 Feb 11:15 am CST
Extended Forecast for

Fort Thompson SD

Wind Advisory February 17, 09:00pm until February 18, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A slight chance of rain after 5pm. Increasing clouds, with a high near 59. Southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Breezy, with a west wind 9 to 14 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Breezy.
    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 46. Breezy, with a west wind 14 to 24 mph becoming north in the afternoon. Winds could gust as high as 34 mph.

    High: 46 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 19. North wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of snow. Patchy blowing snow between noon and 5pm. Mostly cloudy, with a high near 26. Blustery, with a north northwest wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 26 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 7. Northwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 7 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 24. Northwest wind 9 to 13 mph.

    High: 24 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7. North northwest wind 6 to 8 mph.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29. Northwest wind 7 to 10 mph.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain after 5pm. Increasing clouds, with a high near 59. Southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Tonight
A slight chance of rain between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Breezy, with a west wind 9 to 14 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 46. Breezy, with a west wind 14 to 24 mph becoming north in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
Increasing clouds, with a low around 19. North wind 10 to 15 mph, with gusts as high as 23 mph.
Thursday
A chance of snow. Patchy blowing snow between noon and 5pm. Mostly cloudy, with a high near 26. Blustery, with a north northwest wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 7. Northwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 24. Northwest wind 9 to 13 mph.
Friday Night
Partly cloudy, with a low around 7. North northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 29. Northwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 5.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
Last Update:
11:12 am CST Feb 17, 2026
Forecast Valid:
11am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation