Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Snow and Breezy

17°F

-8°C

Humidity 77%
Wind Speed NW 24 G 33 mph
Barometer 30.01 in (1018.8 mb)
Dewpoint 11°F (-12°C)
Visibility 9.00 mi
Wind Chill-1°F (-18°C)
Last update 10 Dec 10:53 am CST
Extended Forecast for

4 Miles W Vienna SD

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

    Today: A chance of flurries before noon.  Cloudy, with a temperature falling to around 11 by 5pm. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 19 °F

    Chance
    Flurries

  • Tonight

    Tonight: A chance of snow, mainly after 4am.  Cloudy, with a temperature rising to around 15 by 5am. North northwest wind 5 to 10 mph becoming southeast after midnight.  Chance of precipitation is 30%.

    Low: 10 °F

    Cloudy then
    Chance Snow

  • Thursday

    Thursday: Snow likely, possibly mixed with sleet before 9am, then snow, possibly mixed with freezing rain.  High near 25. South southeast wind 8 to 13 mph becoming northwest in the afternoon.  Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of less than one inch possible.

    High: 25 °F

    Wintry Mix

  • Thursday Night

    Thursday Night: A chance of snow and freezing rain before 7pm, then a chance of snow between 7pm and 5am.  Mostly cloudy, with a low around 4. Northwest wind 8 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%.

    Low: 4 °F

    Chance Wintry
    Mix then
    Slight Chance
    Snow

  • Friday

    Friday: Mostly cloudy, with a high near 11. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 11 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A chance of snow after midnight.  Cloudy, with a low around -5. North northwest wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: -5 °F

    Cloudy then
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before noon.  Mostly cloudy and cold, with a high near 0. North northwest wind 7 to 10 mph.  Chance of precipitation is 60%.

    High: 0 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -15. North northwest wind 6 to 8 mph becoming east after midnight.

    Low: -15 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 15. South southeast wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 15 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries before noon. Cloudy, with a temperature falling to around 11 by 5pm. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
A chance of snow, mainly after 4am. Cloudy, with a temperature rising to around 15 by 5am. North northwest wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 30%.
Thursday
Snow likely, possibly mixed with sleet before 9am, then snow, possibly mixed with freezing rain. High near 25. South southeast wind 8 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than one inch possible.
Thursday Night
A chance of snow and freezing rain before 7pm, then a chance of snow between 7pm and 5am. Mostly cloudy, with a low around 4. Northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 11. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.
Friday Night
A chance of snow after midnight. Cloudy, with a low around -5. North northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
Snow likely, mainly before noon. Mostly cloudy and cold, with a high near 0. North northwest wind 7 to 10 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around -15. North northwest wind 6 to 8 mph becoming east after midnight.
Sunday
Mostly sunny, with a high near 15. South southeast wind 8 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Mostly sunny, with a high near 25.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Vienna SD
 44.69°N 97.59°W (Elev. 1759 ft)
11:36 am CST Dec 10, 2025
11am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database