Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

56°F

13°C

Humidity 60%
Wind Speed SE 12 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 May 10:53 pm CDT
Extended Forecast for

Watertown SD

  • Tonight

    Tonight: Increasing clouds, with a low around 43. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm.  High near 58. Breezy, with an east southeast wind 16 to 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers before 10pm.  Mostly cloudy, with a low around 43. South wind 11 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 68. West wind around 11 mph.

    High: 68 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. West wind 5 to 7 mph becoming calm.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. South wind around 9 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. South southeast wind 6 to 9 mph.

    Low: 53 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 88. South wind around 11 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southeast wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 43. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Friday
Showers, with thunderstorms also possible after 1pm. High near 58. Breezy, with an east southeast wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 43. South wind 11 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 68. West wind around 11 mph.
Saturday Night
Partly cloudy, with a low around 45. West wind 5 to 7 mph becoming calm.
Sunday
Sunny, with a high near 79. South wind around 9 mph.
Sunday Night
Mostly clear, with a low around 53. South southeast wind 6 to 9 mph.
Memorial Day
Sunny, with a high near 88. South wind around 11 mph.
Monday Night
Mostly clear, with a low around 58. South southeast wind 9 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
10:51 pm CDT May 21, 2026
11pm CDT May 21, 2026-6pm CDT May 28, 2026
 
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Additional Resources

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