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

51°F

11°C

Humidity 74%
Wind Speed Calm
Barometer 30.07 in (1018.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 7 Oct 11:53 pm CDT
Extended Forecast for

4 Miles WSW Vienna SD

  • Overnight

    Overnight: Isolated sprinkles after 4am. Mostly cloudy, with a low around 48. Light north northeast wind.

    Low: 48 °F

    Isolated
    Sprinkles

  • Thursday

    Thursday: Isolated sprinkles before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 69. Light and variable wind becoming southeast 5 to 8 mph in the morning.

    High: 69 °F

    Isolated
    Sprinkles

  • Thursday Night

    Thursday Night: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 49. East southeast wind 7 to 10 mph.

    Low: 49 °F

    Mostly 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 23 mph, with gusts as high as 34 mph.

    Low: 66 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 82. Breezy, with a south wind 23 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 20 to 22 mph, with gusts as high as 33 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 24 mph.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated sprinkles after 4am. Mostly cloudy, with a low around 48. Light north northeast wind.
Thursday
Isolated sprinkles before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 69. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Thursday Night
Mostly clear during the early evening, then becoming mostly 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 23 mph, with gusts as high as 34 mph.
Saturday
Sunny, with a high near 82. Breezy, with a south wind 23 to 25 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 62. Breezy, with a south wind 20 to 22 mph, with gusts as high as 33 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 24 mph.
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 41. 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
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Vienna SD
 44.69°N 97.56°W (Elev. 1781 ft)
Last Update:
12:16 am CDT Oct 8, 2026
Forecast Valid:
12am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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