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

Excessive Rainfall Areas Today; Tropical Storm Jerry Forms

Heavy to excessive rainfall is possible today and tonight ahead of and along a cold front crossing portions of Kentucky, middle Tennessee, the Ohio Valley and New Mexico. Tropical Storm Jerry, the tenth named storm of the 2025 season, has formed over the central tropical Atlantic. Jerry is expected to be near or north of the northern Leeward Islands on Thursday and Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

57°F

14°C

Humidity 41%
Wind Speed N 9 mph
Barometer 30.25 in (1025.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 7 Oct 5:53 pm CDT
Extended Forecast for

Vienna SD

  • Tonight

    Tonight: Clear, with a low around 39. Light and variable wind becoming east southeast 5 to 9 mph in the evening.

    Low: 39 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Breezy, with a south wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 31 mph.

    Low: 52 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 72. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph.

    High: 72 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. South wind around 9 mph becoming north northwest after midnight.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. East northeast wind around 9 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. East wind 8 to 13 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers. Partly sunny, with a high near 72. Breezy, with a south southeast wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 58. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Clear, with a low around 39. Light and variable wind becoming east southeast 5 to 9 mph in the evening.
Wednesday
Sunny, with a high near 69. Breezy, with a south wind 11 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 52. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 31 mph.
Thursday
Sunny, with a high near 72. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph.
Thursday Night
Mostly clear, with a low around 49. South wind around 9 mph becoming north northwest after midnight.
Friday
Sunny, with a high near 70. East northeast wind around 9 mph.
Friday Night
Partly cloudy, with a low around 50. East wind 8 to 13 mph.
Saturday
A slight chance of showers. Partly sunny, with a high near 72. Breezy, with a south southeast wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 58. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, mainly before 1pm. Mostly sunny, with a high near 74. Breezy. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 46.
Columbus Day
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vienna SD
 44.71°N 97.47°W (Elev. 1798 ft)
Last Update:
5:45 pm CDT Oct 7, 2025
Forecast Valid:
6pm CDT Oct 7, 2025-6pm CDT Oct 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation