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.

Fair

33°F

1°C

Humidity 92%
Wind Speed N 3 mph
Barometer 29.91 in (1013.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 20 Mar 6:53 am CDT
Extended Forecast for

Willow Lake SD

  • Today

    Today: Sunny, with a high near 67. Light and variable wind becoming west southwest 6 to 11 mph in the morning.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 43. West northwest wind 6 to 10 mph becoming south southeast in the evening.

    Low: 43 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 76. West southwest wind around 10 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Breezy, with a northeast wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 45. Breezy, with a north wind 16 to 20 mph, with gusts as high as 28 mph.

    High: 45 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. North wind 7 to 13 mph becoming east southeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of rain after 1pm. Partly sunny, with a high near 52. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. South southeast wind 13 to 15 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. East northeast wind 13 to 16 mph.

    High: 52 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Light and variable wind becoming west southwest 6 to 11 mph in the morning.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 43. West northwest wind 6 to 10 mph becoming south southeast in the evening.
Saturday
Mostly sunny, with a high near 76. West southwest wind around 10 mph.
Saturday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Breezy, with a northeast wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 45. Breezy, with a north wind 16 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 27. North wind 7 to 13 mph becoming east southeast after midnight.
Monday
A slight chance of rain after 1pm. Partly sunny, with a high near 52. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 34. South southeast wind 13 to 15 mph.
Tuesday
Partly sunny, with a high near 52. East northeast wind 13 to 16 mph.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 36. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 47. Breezy.
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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:
6:36 am CDT Mar 20, 2026
Forecast Valid:
7am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation