Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

14°F

-10°C

Humidity 80%
Wind Speed SE 12 mph
Barometer 29.84 in (1013.9 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 11 Dec 7:53 am CST
Extended Forecast for

Waverly SD

Winter Weather Advisory until December 11, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 11, 06:00pm

    NOW until 6:00pm Thu

    Winter Weather Advisory

  • Today

    High: 19 °F

    Snow

  • Tonight

    Tonight: A slight chance of snow between 1am and 3am.  Cloudy, with a low around 1. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 1 °F

    Slight Chance
    Snow

  • Friday

    Friday: Patchy blowing snow between 8am and 4pm. Mostly cloudy, with a temperature falling to around -1 by 4pm. Wind chill values as low as -23. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 32 mph.

    High: 13 °F

    Patchy
    Blowing Snow
    and Blustery

  • Friday Night

    Friday Night: A slight chance of snow after midnight.  Cloudy, with a low around -7. Wind chill values as low as -22. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    Low: -7 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow before noon.  Partly sunny and cold, with a high near -3. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: -3 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -19. Northwest wind 6 to 10 mph becoming southwest after midnight.

    Low: -19 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 16. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 16 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Patchy blowing snow between 7pm and midnight. Partly cloudy, with a low around 4. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 34 mph.

    Low: 4 °F

    Patchy
    Blowing Snow
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Today
Snow, mainly before 3pm. High near 19. South southeast wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A slight chance of snow between 1am and 3am. Cloudy, with a low around 1. Northwest wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Patchy blowing snow between 8am and 4pm. Mostly cloudy, with a temperature falling to around -1 by 4pm. Wind chill values as low as -23. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 32 mph.
Friday Night
A slight chance of snow after midnight. Cloudy, with a low around -7. Wind chill values as low as -22. Northwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday
A slight chance of snow before noon. Partly sunny and cold, with a high near -3. Northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around -19. Northwest wind 6 to 10 mph becoming southwest after midnight.
Sunday
Mostly sunny, with a high near 16. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
Patchy blowing snow between 7pm and midnight. Partly cloudy, with a low around 4. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 27. Northwest wind 7 to 14 mph.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Waverly SD
 45°N 96.97°W (Elev. 1952 ft)
7:36 am CST Dec 11, 2025
8am CST Dec 11, 2025-6pm CST Dec 17, 2025
 
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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