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.

Mostly Cloudy

72°F

22°C

Humidity 50%
Wind Speed Vrbl 5 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Jun 3:53 pm CDT
Extended Forecast for

Willow Lake SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 71. Calm wind.

    High: 71 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Light east wind becoming east southeast 6 to 11 mph in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between 9am and 11am. Partly sunny, with a high near 80. Southeast wind 11 to 15 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 29 mph.

    Low: 62 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Saturday

    Saturday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Breezy, with a south southeast wind 22 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    High: 82 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Breezy, with a southeast wind 21 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 95. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South southeast wind 10 to 15 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Breezy, with a south southeast wind 20 to 24 mph becoming southwest in the afternoon.

    High: 94 °F

    Hot and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 71. Calm wind.
Tonight
Mostly cloudy, with a low around 56. Light east wind becoming east southeast 6 to 11 mph in the evening.
Friday
A slight chance of showers between 9am and 11am. Partly sunny, with a high near 80. Southeast wind 11 to 15 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 62. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 29 mph.
Saturday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Breezy, with a south southeast wind 22 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Breezy, with a southeast wind 21 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 95. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 73. South southeast wind 10 to 15 mph.
Monday
Sunny and hot, with a high near 94. Breezy, with a south southeast wind 20 to 24 mph becoming southwest in the afternoon.
Monday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Willow Lake SD
 44.62°N 97.65°W (Elev. 1762 ft)
Last Update:
3:36 pm CDT Jun 25, 2026
Forecast Valid:
4pm CDT Jun 25, 2026-6pm CDT Jul 1, 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