Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

34°F

1°C

Humidity 73%
Wind Speed S 17 mph
Barometer 30.12 in (1022.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 11 Jan 2:53 pm CST
Extended Forecast for

Watertown SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 37. Southwest wind around 18 mph, with gusts as high as 30 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. West wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 41. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Breezy, with a west northwest wind 21 to 29 mph, with gusts as high as 40 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. Blustery, with a north northwest wind 24 to 26 mph, with gusts as high as 36 mph.

    Low: 17 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 24. Blustery, with a north wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 24 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North wind 6 to 13 mph becoming south after midnight.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow, mainly after noon.  Mostly cloudy, with a high near 36. Breezy, with a south wind 14 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 37. Southwest wind around 18 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 25. West wind 10 to 15 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 41. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 34. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 44. Breezy, with a west northwest wind 21 to 29 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 17. Blustery, with a north northwest wind 24 to 26 mph, with gusts as high as 36 mph.
Wednesday
Sunny, with a high near 24. Blustery, with a north wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 15. North wind 6 to 13 mph becoming south after midnight.
Thursday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 36. Breezy, with a south wind 14 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 40%.
Thursday Night
Snow likely, mainly after midnight. Patchy blowing snow after midnight. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 60%.
Friday
Snow likely. Patchy blowing snow. Mostly cloudy, with a high near 26. Blustery. Chance of precipitation is 60%.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 4. Blustery. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.17°W (Elev. 1755 ft)
3:16 pm CST Jan 11, 2026
3pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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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