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.

Overcast and Breezy

29°F

-2°C

Humidity 82%
Wind Speed N 22 mph
Barometer 30.04 in (1018.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 26 Mar 10:53 am CDT
Extended Forecast for

Willow Lake SD

  • Today

    Today: A chance of sprinkles and flurries before 3pm, then a slight chance of snow showers between 3pm and 4pm, then a chance of sprinkles and flurries after 4pm. Mostly cloudy, with a high near 39. Breezy, with a north wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Sprinkles/Snow
    and Breezy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 21. North wind 7 to 17 mph becoming west after midnight.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. North northwest wind 10 to 17 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. South southwest wind 7 to 12 mph becoming south 13 to 18 mph after midnight. Winds could gust as high as 28 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Breezy, with a south southwest wind 20 to 26 mph, with gusts as high as 34 mph.

    High: 59 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. South southeast wind 13 to 16 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South southeast wind around 14 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. North northwest wind 10 to 15 mph becoming northeast after midnight.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 60. Breezy, with a northeast wind 17 to 20 mph, with gusts as high as 28 mph.

    High: 60 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
A chance of sprinkles and flurries before 3pm, then a slight chance of snow showers between 3pm and 4pm, then a chance of sprinkles and flurries after 4pm. Mostly cloudy, with a high near 39. Breezy, with a north wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 21. North wind 7 to 17 mph becoming west after midnight.
Friday
Sunny, with a high near 40. North northwest wind 10 to 17 mph.
Friday Night
Mostly clear, with a low around 26. South southwest wind 7 to 12 mph becoming south 13 to 18 mph after midnight. Winds could gust as high as 28 mph.
Saturday
Mostly sunny, with a high near 59. Breezy, with a south southwest wind 20 to 26 mph, with gusts as high as 34 mph.
Saturday Night
Partly cloudy, with a low around 38. South southeast wind 13 to 16 mph.
Sunday
Mostly sunny, with a high near 69. South southeast wind around 14 mph.
Sunday Night
Mostly clear, with a low around 36. North northwest wind 10 to 15 mph becoming northeast after midnight.
Monday
Partly sunny, with a high near 60. Breezy, with a northeast wind 17 to 20 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 66. Breezy. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 48. Breezy. Chance of precipitation is 40%.
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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:
10:21 am CDT Mar 26, 2026
Forecast Valid:
11am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation