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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast and Breezy

31°F

-1°C

Humidity 76%
Wind Speed N 22 G 28 mph
Barometer 30.19 in (1024.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 22 Mar 10:53 am CDT
Extended Forecast for

Willow Lake SD

  • Today

    Today: Mostly cloudy, with a high near 44. Breezy, with a north wind 14 to 21 mph.

    High: 44 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 27. North northwest wind 6 to 10 mph becoming south southeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of rain after 1pm. Partly sunny, with a high near 50. South wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. South wind 14 to 18 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. East southeast wind 13 to 15 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. East wind around 14 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. East northeast wind 11 to 13 mph becoming southwest in the afternoon.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 36. South southwest wind 10 to 16 mph becoming northeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Breezy, with a north wind 18 to 24 mph, with gusts as high as 33 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 44. Breezy, with a north wind 14 to 21 mph.
Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 27. North northwest wind 6 to 10 mph becoming south southeast after midnight.
Monday
A slight chance of rain after 1pm. Partly sunny, with a high near 50. South wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 34. South wind 14 to 18 mph.
Tuesday
Mostly cloudy, with a high near 56. East southeast wind 13 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 36. East wind around 14 mph.
Wednesday
Partly sunny, with a high near 64. East northeast wind 11 to 13 mph becoming southwest in the afternoon.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 36. South southwest wind 10 to 16 mph becoming northeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 46. Breezy, with a north wind 18 to 24 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 20. Blustery.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Willow Lake SD
 44.62°N 97.65°W (Elev. 1762 ft)
Last Update:
11:36 am CDT Mar 22, 2026
Forecast Valid:
11am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation