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 >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

36°F

2°C

Humidity 80%
Wind Speed NW 8 mph
Barometer 29.98 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 8 Feb 12:35 am CST
Extended Forecast for

Fort Thompson SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Northwest wind 5 to 8 mph.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming west around 6 mph in the afternoon.

    High: 57 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. South wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52. South southeast wind 5 to 13 mph becoming north northwest in the afternoon.

    High: 52 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. Northwest wind 6 to 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45. Northwest wind 5 to 7 mph becoming east northeast in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Southeast wind 3 to 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow, mainly after noon.  Cloudy, with a high near 44. Southeast wind 6 to 11 mph.  Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a chance of snow.  Cloudy, with a low around 26. East wind 6 to 10 mph.  Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Northwest wind 5 to 8 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 31. South wind around 6 mph.
Monday
Mostly cloudy, with a high near 52. South southeast wind 5 to 13 mph becoming north northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. Northwest wind 6 to 10 mph.
Tuesday
Mostly cloudy, with a high near 45. Northwest wind 5 to 7 mph becoming east northeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 27. Southeast wind 3 to 6 mph.
Wednesday
A chance of rain and snow, mainly after noon. Cloudy, with a high near 44. Southeast wind 6 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Cloudy, with a low around 26. East wind 6 to 10 mph. Chance of precipitation is 40%.
Thursday
A slight chance of snow. Partly sunny, with a high near 43. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
12:46 am CST Feb 8, 2026
12am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database