Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

15°F

-9°C

Humidity 84%
Wind Speed NW 15 mph
Barometer 30.26 in (1028.1 mb)
Dewpoint 11°F (-12°C)
Visibility 9.00 mi
Wind Chill0°F (-18°C)
Last update 30 Nov 12:53 am CST
Extended Forecast for

4 Miles W Vienna SD

  • Overnight

    Overnight: A chance of flurries before 5am.  Mostly cloudy, with a low around 5. Northwest wind 11 to 14 mph.

    Low: 5 °F

    Chance
    Flurries

  • Sunday

    Sunday: Partly sunny, with a high near 12. North northwest wind 5 to 11 mph.

    High: 12 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a temperature falling to near 3 by 8pm, then rising to around 11 during the remainder of the night. Light and variable wind becoming south 6 to 11 mph in the evening.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 18. South wind 9 to 15 mph.

    High: 18 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 0. West wind 5 to 8 mph.

    Low: 0 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 25. South wind 5 to 10 mph.

    High: 25 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after midnight.  Cloudy, with a low around 8. South southwest wind 8 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 30%.

    Low: 8 °F

    Cloudy then
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 16. North wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 16 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -12. Northwest wind 6 to 10 mph becoming south southwest after midnight.

    Low: -12 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 5am. Mostly cloudy, with a low around 5. Northwest wind 11 to 14 mph.
Sunday
Partly sunny, with a high near 12. North northwest wind 5 to 11 mph.
Sunday Night
Mostly cloudy, with a temperature falling to near 3 by 8pm, then rising to around 11 during the remainder of the night. Light and variable wind becoming south 6 to 11 mph in the evening.
Monday
Partly sunny, with a high near 18. South wind 9 to 15 mph.
Monday Night
Partly cloudy, with a low around 0. West wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 25. South wind 5 to 10 mph.
Tuesday Night
A chance of snow after midnight. Cloudy, with a low around 8. South southwest wind 8 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 16. North wind 11 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around -12. Northwest wind 6 to 10 mph becoming south southwest after midnight.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Mostly cloudy, with a high near 26.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Vienna SD
 44.69°N 97.59°W (Elev. 1759 ft)
1:06 am CST Nov 30, 2025
1am CST Nov 30, 2025-6pm CST Dec 6, 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