National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair and Breezy

66°F

19°C

Humidity 81%
Wind Speed S 22 G 37 mph
Barometer 29.78 in (1008.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Oct 11:53 am CDT
Extended Forecast for

Vienna SD

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm. Sunny early, then becoming mostly cloudy, with a high near 75. Breezy, with a south wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Cloudy, with a low around 48. Southwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 63. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 53. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. West wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. South southeast wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. South wind 16 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Sunny early, then becoming mostly cloudy, with a high near 75. Breezy, with a south wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Cloudy, with a low around 48. Southwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday
Partly sunny, then gradually becoming sunny, with a high near 63. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 43. West southwest wind around 11 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 53. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 34. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 59. West wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 45. South southeast wind 9 to 16 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 64. South wind 16 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 53. Breezy.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vienna SD
 44.71°N 97.5°W (Elev. 1801 ft)
Last Update:
11:46 am CDT Oct 16, 2025
Forecast Valid:
12pm CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation