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.

Unknown Precip

14°F

-10°C

Humidity 84%
Wind Speed N 17 mph
Barometer 30.23 in (1027.0 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 29 Nov 9:53 pm CST
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 12. North northwest wind 10 to 17 mph.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 13. Northwest wind 6 to 10 mph.

    High: 13 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a temperature falling to near 3 by 8pm, then rising to around 10 during the remainder of the night. West wind 5 to 10 mph becoming south southwest after midnight.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 19. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 19 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 0. West wind 6 to 9 mph.

    Low: 0 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 23. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 23 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after midnight.  Cloudy, with a low around 4. South southwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 20%.

    Low: 4 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 13. North wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 13 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -10. Northwest wind 6 to 9 mph becoming south southwest after midnight.

    Low: -10 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 12. North northwest wind 10 to 17 mph.
Sunday
Partly sunny, with a high near 13. Northwest wind 6 to 10 mph.
Sunday Night
Mostly cloudy, with a temperature falling to near 3 by 8pm, then rising to around 10 during the remainder of the night. West wind 5 to 10 mph becoming south southwest after midnight.
Monday
Partly sunny, with a high near 19. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 0. West wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 23. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of snow after midnight. Cloudy, with a low around 4. South southwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 13. North wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around -10. Northwest wind 6 to 9 mph becoming south southwest after midnight.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly cloudy, with a high near 26.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
Mostly cloudy, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
10:36 pm CST Nov 29, 2025
10pm CST Nov 29, 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