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

74°F

23°C

Humidity 26%
Wind Speed SW 14 mph
Barometer 29.74 in (1007.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Mar 2:53 pm CDT
Extended Forecast for

Willow Lake SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. West northwest wind around 14 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain after 1am. Mostly cloudy, with a low around 38. North northwest wind 6 to 16 mph becoming east after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A slight chance of rain between 2pm and 3pm. Partly sunny, with a high near 44. Breezy, with a north northeast wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 44 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. North wind 11 to 18 mph.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 41. North northwest wind 11 to 15 mph.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. West northwest wind 7 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 30 mph.

    High: 59 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. South southeast wind 14 to 17 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South southeast wind 14 to 16 mph becoming west southwest in the afternoon.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. West northwest wind around 14 mph.
Tonight
A slight chance of rain after 1am. Mostly cloudy, with a low around 38. North northwest wind 6 to 16 mph becoming east after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain between 2pm and 3pm. Partly sunny, with a high near 44. Breezy, with a north northeast wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 19. North wind 11 to 18 mph.
Friday
Sunny, with a high near 41. North northwest wind 11 to 15 mph.
Friday Night
Mostly clear, with a low around 25. West northwest wind 7 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph.
Saturday
Mostly sunny, with a high near 59. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 38. South southeast wind 14 to 17 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 69. South southeast wind 14 to 16 mph becoming west southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 62.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 43. Chance of precipitation is 20%.
Tuesday
A slight chance of rain. Partly sunny, with a high near 67. Breezy. Chance of precipitation is 20%.
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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:
2:36 pm CDT Mar 25, 2026
Forecast Valid:
3pm CDT Mar 25, 2026-6pm CDT Mar 31, 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