Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

42°F

6°C

Humidity 64%
Wind Speed NW 7 mph
Barometer 30.28 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Feb 2:35 pm CST
Extended Forecast for

Fort Thompson SD

  • This Afternoon

    This Afternoon: A slight chance of sprinkles between 3pm and 4pm.  Mostly cloudy, with a high near 42. North wind 5 to 7 mph.

    High: 42 °F

    Slight Chance
    Sprinkles

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Northeast wind 5 to 10 mph becoming southeast 12 to 17 mph after midnight. Winds could gust as high as 26 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Southeast wind 9 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Northwest wind 5 to 8 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57. West southwest wind 3 to 7 mph.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Southwest wind around 6 mph becoming northeast after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. East wind 5 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Northeast wind around 10 mph becoming north northwest after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before noon, then a slight chance of rain and snow.  Cloudy, with a high near 44. North northwest wind 10 to 14 mph.  Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A slight chance of sprinkles between 3pm and 4pm. Mostly cloudy, with a high near 42. North wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 28. Northeast wind 5 to 10 mph becoming southeast 12 to 17 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Mostly sunny, with a high near 53. Southeast wind 9 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 27. Northwest wind 5 to 8 mph.
Sunday
Partly sunny, with a high near 57. West southwest wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 32. Southwest wind around 6 mph becoming northeast after midnight.
Monday
Partly sunny, with a high near 57. East wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 31. Northeast wind around 10 mph becoming north northwest after midnight.
Tuesday
A slight chance of snow before noon, then a slight chance of rain and snow. Cloudy, with a high near 44. North northwest wind 10 to 14 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Wednesday
A chance of snow. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
2:37 pm CST Feb 6, 2026
2pm CST Feb 6, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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