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

6 Miles ENE Castlewood SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. West northwest wind 8 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. West 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 steady temperature around 37. West southwest wind 11 to 18 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Breezy, with a west northwest wind 21 to 26 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 16. Blustery, with a northwest wind around 24 mph, with gusts as high as 36 mph.

    Low: 16 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 23. Blustery, with a north wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 23 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. North wind 6 to 11 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 36. Breezy, with a south wind 13 to 21 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

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight.  Patchy blowing snow after 2am. Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely
    and Patchy
    Blowing Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. West northwest wind 8 to 10 mph.
Monday
Mostly sunny, with a high near 41. West wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a steady temperature around 37. West southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 44. Breezy, with a west northwest wind 21 to 26 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 16. Blustery, with a northwest wind around 24 mph, with gusts as high as 36 mph.
Wednesday
Sunny, with a high near 23. Blustery, with a north wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 14. North wind 6 to 11 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 13 to 21 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 2am. Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Friday
A chance of snow. Mostly cloudy, with a high near 26. Blustery. Chance of precipitation is 50%.
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 18.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Castlewood SD
 44.74°N 96.9°W (Elev. 1850 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database