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

33°F

1°C

Humidity 75%
Wind Speed W 12 mph
Barometer 30.09 in (1021.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 11 Jan 7:53 pm CST
Extended Forecast for

Watertown SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. West northwest wind around 9 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. West southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Breezy, with a west northwest wind 17 to 25 mph, with gusts as high as 39 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. Blustery, with a northwest wind around 22 mph, with gusts as high as 36 mph.

    Low: 16 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 24. Blustery, with a north wind 15 to 20 mph decreasing to 9 to 14 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 14. North wind 5 to 10 mph becoming south after midnight.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow, mainly after noon.  Mostly cloudy, with a high near 35. Breezy, with a south wind 11 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 40%.

    High: 35 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 20. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%.

    Low: 20 °F

    Snow Likely
    and Blustery

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. West northwest wind around 9 mph.
Monday
Mostly sunny, with a high near 42. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 34. West southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 44. Breezy, with a west northwest wind 17 to 25 mph, with gusts as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 16. Blustery, with a northwest wind around 22 mph, with gusts as high as 36 mph.
Wednesday
Sunny, with a high near 24. Blustery, with a north wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 14. North wind 5 to 10 mph becoming south after midnight.
Thursday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 35. Breezy, with a south wind 11 to 20 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. Mostly cloudy, with a low around 20. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Friday
Snow likely, mainly before noon. Patchy blowing snow between 7am and noon. 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 5. Blustery. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 20.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
7:36 pm CST Jan 11, 2026
8pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database