Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Overcast
13°F
-11°C
| Humidity | 77% |
| Wind Speed | S 9 mph |
| Barometer | 30.29 in (1030.1 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 1°F (-17°C) |
| Last update | 29 Dec 9:53 pm CST |
Extended Forecast for
Watertown SD
Tonight
Low: 12 °F⇑
Mostly Cloudy
Tuesday
High: 33 °F
Partly Sunny
Tuesday Night
Low: 16 °F
Mostly Cloudy
Wednesday
High: 24 °F
Mostly Cloudy
Wednesday Night
Low: 2 °F
Mostly Cloudy
New Year's Day
High: 21 °F
Partly Sunny
Thursday Night
Low: 9 °F
Mostly Cloudy
Friday
High: 21 °F
Partly Sunny
Friday Night
Low: 12 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a temperature rising to around 18 by 5am. West southwest wind 6 to 11 mph.
Tuesday
Partly sunny, with a high near 33. West northwest wind 11 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 16. West northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 24. Northwest wind 8 to 13 mph becoming north northeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 2. North northeast wind 5 to 13 mph becoming southeast after midnight.
New Year's Day
Partly sunny, with a high near 21. South southwest wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 9. South southwest wind around 6 mph becoming north after midnight.
Friday
Partly sunny, with a high near 21. North wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 12. Northeast wind 6 to 8 mph becoming south after midnight.
Saturday
Partly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 30.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Watertown SD
44.91°N 97.17°W (Elev. 1755 ft)
44.91°N 97.17°W (Elev. 1755 ft)
9:36 pm CST Dec 29, 2025
10pm CST Dec 29, 2025-6pm CST Jan 5, 2026
Additional Resources
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