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 30.06 in (1017.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 7 Oct 10:53 pm CDT
Extended Forecast for

6 Miles SSE Clark SD

  • Tonight

    Tonight: Isolated sprinkles after 2am. Mostly cloudy, with a low around 48. Calm wind becoming northeast around 5 mph after midnight.

    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 morning.

    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 28 mph.

    High: 77 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Breezy, with a south wind 17 to 21 mph, with gusts as high as 33 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 39 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 21 mph, with gusts as high as 32 mph.

    Low: 62 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Partly sunny, with a high near 72. South wind around 17 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 46. North wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Isolated sprinkles after 2am. Mostly cloudy, with a low around 48. Calm wind becoming northeast around 5 mph after midnight.
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 morning.
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 28 mph.
Friday Night
Mostly clear, with a low around 66. Breezy, with a south wind 17 to 21 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 82. Breezy, with a south wind 22 to 25 mph, with gusts as high as 39 mph.
Saturday Night
Mostly clear, with a low around 62. Breezy, with a south wind 18 to 21 mph, with gusts as high as 32 mph.
Sunday
Partly sunny, with a high near 72. South wind around 17 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 46. North wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54. 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 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Clark SD
 44.79°N 97.69°W (Elev. 1775 ft)
Last Update:
11:21 pm CDT Oct 7, 2026
Forecast Valid:
11pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

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Chance of Precipitation