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

53°F

12°C

Humidity 69%
Wind Speed Calm
Barometer 30.07 in (1018.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 8 Oct 12:53 am CDT
Extended Forecast for

5 Miles SE Willow Lake SD

  • Overnight

    Overnight: Isolated sprinkles after 4am. Mostly cloudy, with a low around 48. East northeast wind around 5 mph.

    Low: 48 °F

    Isolated
    Sprinkles

  • Thursday

    Thursday: Isolated sprinkles before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 69. East northeast wind 5 to 8 mph becoming southeast in the afternoon.

    High: 69 °F

    Isolated
    Sprinkles

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. East southeast wind 7 to 10 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 77. Southeast wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 77 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph.

    Low: 66 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 82. Breezy, with a south wind 22 to 25 mph, with gusts as high as 38 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Breezy, with a south wind 18 to 22 mph, with gusts as high as 32 mph.

    Low: 62 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. South wind 15 to 17 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46. North wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated sprinkles after 4am. Mostly cloudy, with a low around 48. East northeast wind around 5 mph.
Thursday
Isolated sprinkles before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 69. East northeast wind 5 to 8 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 49. East southeast wind 7 to 10 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 77. Southeast wind 11 to 17 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 66. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 82. Breezy, with a south wind 22 to 25 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 62. Breezy, with a south wind 18 to 22 mph, with gusts as high as 32 mph.
Sunday
Mostly sunny, with a high near 73. South wind 15 to 17 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 46. North wind 13 to 15 mph, with gusts as high as 23 mph.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 40. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 58. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Willow Lake SD
 44.58°N 97.59°W (Elev. 1772 ft)
Last Update:
12:16 am CDT Oct 8, 2026
Forecast Valid:
1am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation