Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

58°F

14°C

Humidity 39%
Wind Speed S 14 G 22 mph
Barometer 30.01 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 17 Oct 10:35 pm CDT
Extended Forecast for

Fort Thompson SD

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Light and variable wind becoming northeast 5 to 9 mph in the afternoon.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Northeast wind around 8 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. East wind 7 to 10 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Southeast wind around 8 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. South southeast wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. South southeast wind 6 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. South southeast wind 5 to 7 mph becoming north northwest in the afternoon.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Light and variable wind becoming northeast around 5 mph.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 68. Light and variable wind becoming northeast 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 44. Northeast wind around 8 mph.
Monday
Sunny, with a high near 62. East wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 47. Southeast wind around 8 mph.
Tuesday
Sunny, with a high near 68. South southeast wind 7 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 50. South southeast wind 6 to 10 mph.
Wednesday
Sunny, with a high near 69. South southeast wind 5 to 7 mph becoming north northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. Light and variable wind becoming northeast around 5 mph.
Thursday
Sunny, with a high near 72.
Thursday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 74. Breezy. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.03°N 99.43°W (Elev. 1401 ft)
10:16 pm CDT Oct 17, 2026
10pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

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