National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

22°F

-6°C

Humidity 89%
Wind Speed Calm
Barometer 30.46 in (1034.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 10 Nov 3:53 am CST
Extended Forecast for

6 Miles WSW Watertown SD

  • Today

    Today: Mostly sunny, with a high near 35. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a temperature rising to around 34 by 5am. South wind 11 to 17 mph becoming west southwest after midnight. Winds could gust as high as 29 mph.

    Low: 28 °F⇑

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Sunny, with a high near 53. West northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. West northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West wind around 6 mph becoming southeast after midnight.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55. Southeast wind 6 to 10 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 60. Southeast wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 35. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Increasing clouds, with a temperature rising to around 34 by 5am. South wind 11 to 17 mph becoming west southwest after midnight. Winds could gust as high as 29 mph.
Veterans Day
Sunny, with a high near 53. West northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 30. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 49. West northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 31. West wind around 6 mph becoming southeast after midnight.
Thursday
Sunny, with a high near 55. Southeast wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 37. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 60. Southeast wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
A slight chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
Last Update:
4:36 am CST Nov 10, 2025
Forecast Valid:
4am CST Nov 10, 2025-6pm CST Nov 16, 2025
 
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