Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

2°F

-17°C

Humidity 84%
Wind Speed SE 10 mph
Barometer 30.61 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 23 Feb 4:15 am CST
Extended Forecast for

11 Miles N Gann Valley SD

  • Today

    Today: Increasing clouds, with a high near 38. Wind chill values as low as -19. Breezy, with a south southeast wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 38 °F

    Increasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. South wind 11 to 16 mph becoming west after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 33 mph.

    High: 44 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. Northwest wind 6 to 13 mph becoming east after midnight.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of snow.  Mostly cloudy, with a high near 36. Southeast wind 7 to 14 mph.  Chance of precipitation is 50%.

    High: 36 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow before midnight.  Partly cloudy, with a low around 20. East wind 10 to 14 mph becoming west in the evening.  Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 30 mph.

    High: 51 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Southwest wind 13 to 16 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a west wind 16 to 25 mph becoming north northwest in the afternoon.

    High: 54 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Increasing clouds, with a high near 38. Wind chill values as low as -19. Breezy, with a south southeast wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
Mostly cloudy, with a low around 26. South wind 11 to 16 mph becoming west after midnight.
Tuesday
Mostly cloudy, with a high near 44. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 33 mph.
Tuesday Night
Partly cloudy, with a low around 16. Northwest wind 6 to 13 mph becoming east after midnight.
Wednesday
A chance of snow. Mostly cloudy, with a high near 36. Southeast wind 7 to 14 mph. Chance of precipitation is 50%.
Wednesday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 20. East wind 10 to 14 mph becoming west in the evening. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 51. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 31. Southwest wind 13 to 16 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a west wind 16 to 25 mph becoming north northwest in the afternoon.
Friday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 12. Blustery. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 25.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 20%.
Sunday
A slight chance of snow. Partly sunny, with a high near 27. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Gann Valley SD
 44.19°N 98.96°W (Elev. 2014 ft)
3:36 am CST Feb 23, 2026
4am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database