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

29°F

-2°C

Humidity 72%
Wind Speed NW 10 mph
Barometer 30.08 in (1020.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 9 Apr 4:53 am CDT
Extended Forecast for

Willow Lake SD

  • Today

    Today: Snow likely before 5pm, then a chance of rain and snow. Increasing clouds, with a high near 42. Northwest wind 3 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Mostly Sunny
    then
    Rain/Snow
    Likely

  • Tonight

    Tonight: A chance of rain and snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 23. North wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 54. Light and variable wind becoming south southwest around 6 mph in the morning.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of rain after 1am. Increasing clouds, with a low around 40. Southeast wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Chance of precipitation is 20%.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Cloudy, with a high near 62. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Rain Likely
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 56. Breezy, with a south southeast wind around 24 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: A chance of rain. Mostly sunny, with a high near 76. Breezy, with a south wind 21 to 23 mph becoming west southwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: A slight chance of rain before 1am. Mostly clear, with a low around 47. West wind 10 to 15 mph becoming east northeast after midnight. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain, mainly after 1pm. Partly sunny, with a high near 67. East northeast wind 11 to 16 mph. Chance of precipitation is 50%.

    High: 67 °F

    Slight Chance
    Rain then
    Chance Rain

Detailed Forecast

Today
Snow likely before 5pm, then a chance of rain and snow. Increasing clouds, with a high near 42. Northwest wind 3 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 23. North wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Friday
Sunny, with a high near 54. Light and variable wind becoming south southwest around 6 mph in the morning.
Friday Night
A slight chance of rain after 1am. Increasing clouds, with a low around 40. Southeast wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Chance of precipitation is 20%.
Saturday
Rain likely, mainly before 1pm. Cloudy, with a high near 62. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 56. Breezy, with a south southeast wind around 24 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly sunny, with a high near 76. Breezy, with a south wind 21 to 23 mph becoming west southwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of rain before 1am. Mostly clear, with a low around 47. West wind 10 to 15 mph becoming east northeast after midnight. Chance of precipitation is 20%.
Monday
A chance of rain, mainly after 1pm. Partly sunny, with a high near 67. East northeast wind 11 to 16 mph. Chance of precipitation is 50%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 47. Breezy. Chance of precipitation is 50%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 55. 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:
4:36 am CDT Apr 9, 2026
Forecast Valid:
4am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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