Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Partly Cloudy

67°F

19°C

Humidity 96%
Wind Speed S 9 mph
Barometer 30.01 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 8:35 am CDT
Extended Forecast for

2 Miles NW Fort Thompson SD

  • Today

    Today: Sunny, with a high near 89. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Patchy smoke before 8pm. Mostly clear, with a low around 62. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 62 °F

    Patchy Smoke
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 87. Light northeast wind becoming east 5 to 10 mph in the morning.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. East northeast wind 5 to 8 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. East northeast wind 6 to 8 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 61. East wind 7 to 9 mph.  Chance of precipitation is 20%.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 81. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 63. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 86. South southeast wind 9 to 11 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Patchy smoke before 8pm. Mostly clear, with a low around 62. North northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Light northeast wind becoming east 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 61. East northeast wind 5 to 8 mph.
Saturday
Sunny, with a high near 82. East northeast wind 6 to 8 mph.
Saturday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. East wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 86. South southeast wind 9 to 11 mph.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Fort Thompson SD
 44.07°N 99.43°W (Elev. 1480 ft)
8:36 am CDT Aug 20, 2026
8am CDT Aug 20, 2026-6pm CDT Aug 26, 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