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

Pacific Storm Impacting Hawaii; Atmospheric River Brings Precipitation to the Pacific Northwest and Northern California

A strong weather system will bring the potential for flash flooding, severe thunderstorms, strong to locally damaging non-thunderstorm winds, and high elevation snow to the Hawaiian Islands. Precipitation will overspread most of the eastern third of the country. A prolonged atmospheric river will bring low elevation rain and mountain snow to the Pacific Northwest and California into the Rockies. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

25°F

-4°C

Humidity 100%
Wind Speed N 10 mph
Barometer 29.97 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 31 Jan 6:35 am CST
Extended Forecast for

Fort Thompson SD

  • Today

    Today: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 37. North northwest wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 22 mph.

    High: 37 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Southeast wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 50. South southeast wind 6 to 11 mph becoming west in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Southwest wind 5 to 14 mph becoming west northwest after midnight.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 40. Breezy, with a north northwest wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 40 °F

    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly after midnight. Cloudy, with a low around 11. North northeast wind 8 to 11 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 11 °F

    Chance Snow
    then Snow
    Likely

  • Monday

    Monday: A chance of snow before noon. Cloudy, with a high near 18. North wind 11 to 13 mph. Chance of precipitation is 30%.

    High: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A chance of snow, mainly after midnight. Mostly cloudy, with a low around 4. East northeast wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 4 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow, mainly before noon. Cloudy, with a high near 18. East wind 9 to 13 mph. Chance of precipitation is 30%.

    High: 18 °F

    Chance Snow

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 37. North northwest wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 22 mph.
Tonight
Increasing clouds, with a low around 27. Southeast wind 10 to 18 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 50. South southeast wind 6 to 11 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 28. Southwest wind 5 to 14 mph becoming west northwest after midnight.
Sunday
Mostly cloudy, with a high near 40. Breezy, with a north northwest wind 14 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Snow likely, mainly after midnight. Cloudy, with a low around 11. North northeast wind 8 to 11 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday
A chance of snow before noon. Cloudy, with a high near 18. North wind 11 to 13 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 4. East northeast wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow, mainly before noon. Cloudy, with a high near 18. East wind 9 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 6. Chance of precipitation is 20%.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 20. Chance of precipitation is 20%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 40%.
Thursday
A slight chance of snow. Partly sunny, with a high near 18. Chance of precipitation is 20%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
Last Update:
6:45 am CST Jan 31, 2025
Forecast Valid:
7am CST Jan 31, 2025-6pm CST Feb 6, 2025
 
Forecast Discussion
 
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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