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

76°F

24°C

Humidity 45%
Wind Speed SE 3 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Sep 7:53 pm CDT
Extended Forecast for

Willow Lake SD

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South southeast wind 6 to 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. South southeast wind 16 to 18 mph, with gusts as high as 29 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Breezy, with a south wind 18 to 23 mph, with gusts as high as 33 mph.

    High: 81 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. South wind 16 to 18 mph, with gusts as high as 29 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. South wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. South wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. South wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. South southeast wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 63. South southeast wind 16 to 18 mph, with gusts as high as 29 mph.
Wednesday
Mostly sunny, with a high near 81. Breezy, with a south wind 18 to 23 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 64. South wind 16 to 18 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 85. South wind 14 to 16 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 65. South wind 11 to 14 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 84. South wind 14 to 16 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday
A chance of showers, mainly before 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.
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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:
7:45 pm CDT Sep 29, 2025
Forecast Valid:
8pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
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