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

66°F

19°C

Humidity 59%
Wind Speed W 10 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 5:53 pm CDT
Extended Forecast for

4 Miles W Vienna SD

  • Tonight

    Tonight: Mostly clear, with a low around 45. North northwest wind 6 to 15 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. West northwest wind 3 to 8 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Calm wind becoming southeast 5 to 7 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Breezy, with a south wind 14 to 20 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Clear and
    Breezy then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. South southwest wind 8 to 10 mph becoming west northwest in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. North wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. North northeast wind 6 to 11 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northwest wind 5 to 7 mph becoming southeast after midnight.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. North northwest wind 6 to 15 mph.
Sunday
Sunny, with a high near 65. West northwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 46. Calm wind becoming southeast 5 to 7 mph after midnight.
Monday
Sunny, with a high near 69. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Mostly clear, with a low around 55. Breezy, with a south wind 14 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 76. South southwest wind 8 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. North wind around 6 mph.
Wednesday
Sunny, with a high near 69. North northeast wind 6 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northwest wind 5 to 7 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 58. Breezy.
Saturday
Mostly sunny, with a high near 74. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Vienna SD
 44.69°N 97.59°W (Elev. 1759 ft)
Last Update:
6:21 pm CDT Oct 3, 2026
Forecast Valid:
6pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
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Additional Resources

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