Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast and Breezy

29°F

-2°C

Humidity 82%
Wind Speed NW 21 mph
Barometer 30.01 in (1018.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 1 Feb 1:53 pm CST
Extended Forecast for

Watertown SD

  • This Afternoon

    This Afternoon: Cloudy, with a steady temperature around 27. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 27 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. North northwest wind 6 to 11 mph becoming light north  after midnight.

    Low: 11 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow between 3pm and 4pm.  Mostly cloudy, with a high near 20. Light and variable wind becoming east southeast around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 20 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: A chance of snow, mainly before midnight.  Mostly cloudy, with a low around 6. East wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 30%.

    Low: 6 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 25. Light and variable wind.

    High: 25 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. Light and variable wind becoming northwest 5 to 9 mph in the evening.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 27. North northwest wind 7 to 10 mph becoming west in the afternoon.

    High: 27 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Southwest wind 6 to 13 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. West northwest wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a steady temperature around 27. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 11. North northwest wind 6 to 11 mph becoming light north after midnight.
Monday
A slight chance of snow between 3pm and 4pm. Mostly cloudy, with a high near 20. Light and variable wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 6. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 25. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 15. Light and variable wind becoming northwest 5 to 9 mph in the evening.
Wednesday
Mostly cloudy, with a high near 27. North northwest wind 7 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 19. Southwest wind 6 to 13 mph.
Thursday
Mostly sunny, with a high near 41. West northwest wind 13 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
2:36 pm CST Feb 1, 2026
2pm CST Feb 1, 2026-6pm CST Feb 7, 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