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

67°F

19°C

Humidity 44%
Wind Speed NW 13 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 7 Oct 11:53 am CDT
Extended Forecast for

3 Miles E Watertown Municipal Airport SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. North wind 3 to 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 66 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Southeast wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. South wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind 9 to 17 mph, with gusts as high as 31 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 39 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Breezy, with a south wind 18 to 23 mph, with gusts as high as 36 mph.

    Low: 59 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 70. Breezy, with a south wind 18 to 20 mph becoming north in the afternoon. Winds could gust as high as 31 mph.

    High: 70 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 46. North wind 3 to 7 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 75. South wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 62. South wind 9 to 17 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 39 mph.
Saturday Night
Mostly clear, with a low around 59. Breezy, with a south wind 18 to 23 mph, with gusts as high as 36 mph.
Sunday
Mostly sunny, with a high near 70. Breezy, with a south wind 18 to 20 mph becoming north in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Mostly cloudy, with a low around 47.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Watertown Municipal Airport SD
 44.91°N 97.08°W (Elev. 1798 ft)
Last Update:
12:16 pm CDT Oct 7, 2026
Forecast Valid:
12pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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