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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Winner, Bob Wiley Field Airport (KICR)

Lat: 43.39°NLon: 99.84°WElev: 2031ft.

Mostly Cloudy

57°F

14°C

Humidity 39%
Wind Speed W 17 mph
Barometer 29.46 in (998.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 9 Dec 11:53 am CST
Extended Forecast for

New Witten SD

High Wind Warning until December 10, 03:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until December 10, 03:00am

    NOW until 3:00am Wed

    High Wind Warning

  • This Afternoon

    High: 58 °F

    Mostly Cloudy
    and Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Wind chill values as low as 13. Windy, with a northwest wind 25 to 34 mph, with gusts as high as 55 mph.

    Low: 27 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 35. Wind chill values as low as 13. Breezy, with a northwest wind 18 to 23 mph becoming north 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Cloudy, with a steady temperature around 30. Wind chill values as low as 18. East wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 42. Northwest wind around 14 mph, with gusts as high as 23 mph.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and 11pm, then a chance of snow after 11pm. Cloudy, with a low around 11. Blustery, with a north wind 13 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 11 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow and
    Blustery

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 19. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 19 °F

    Chance Snow
    and Blustery

  • Friday Night

    Friday Night: A chance of snow, mainly after midnight. Cloudy, with a low around 4. North wind 10 to 14 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 4 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 58. Windy, with a west wind 29 to 37 mph, with gusts as high as 55 mph.
Tonight
Partly cloudy, with a low around 27. Wind chill values as low as 13. Windy, with a northwest wind 25 to 34 mph, with gusts as high as 55 mph.
Wednesday
Increasing clouds, with a high near 35. Wind chill values as low as 13. Breezy, with a northwest wind 18 to 23 mph becoming north 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
A 30 percent chance of snow before midnight. Cloudy, with a steady temperature around 30. Wind chill values as low as 18. East wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly cloudy, with a high near 42. Northwest wind around 14 mph, with gusts as high as 23 mph.
Thursday Night
A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and 11pm, then a chance of snow after 11pm. Cloudy, with a low around 11. Blustery, with a north wind 13 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 19. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
A chance of snow, mainly after midnight. Cloudy, with a low around 4. North wind 10 to 14 mph becoming east after midnight. Winds could gust as high as 21 mph.
Saturday
A chance of snow before noon. Mostly cloudy, with a high near 14.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Witten SD
 43.43°N 100.09°W (Elev. 2064 ft)
Last Update:
10:36 am CST Dec 9, 2025
Forecast Valid:
12pm CST Dec 9, 2025-6pm CST Dec 15, 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