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 >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

11°F

-12°C

Humidity 88%
Wind Speed NE 3 mph
Barometer 30.09 in (1022.1 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 2 Feb 5:53 am CST
Extended Forecast for

Watertown SD

  • Today

    Today: A chance of snow, mainly after 4pm.  Mostly cloudy, with a high near 21. Calm wind becoming east around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 21 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tonight

    Tonight: Snow likely, mainly before 8pm.  Mostly cloudy, with a low around 5. East northeast wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Snow Likely
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 21. Light and variable wind.

    High: 21 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of snow.  Mostly cloudy, with a low around 15. Light and variable wind becoming northwest 5 to 10 mph in the evening.  Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 26. North northwest wind 7 to 10 mph becoming west in the afternoon.

    High: 26 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. West northwest wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Northwest wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30. North wind 8 to 13 mph.

    High: 30 °F

    Partly Sunny

Detailed Forecast

Today
A chance of snow, mainly after 4pm. Mostly cloudy, with a high near 21. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Snow likely, mainly before 8pm. Mostly cloudy, with a low around 5. East northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly cloudy, with a high near 21. Light and variable wind.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 15. Light and variable wind becoming northwest 5 to 10 mph in the evening. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 26. North northwest wind 7 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 20. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 43. West northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 22. Northwest wind 13 to 15 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 30. North wind 8 to 13 mph.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
6:36 am CST Feb 2, 2026
6am CST Feb 2, 2026-6pm CST Feb 8, 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