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

32°F

0°C

Humidity 73%
Wind Speed S 7 mph
Barometer 30.08 in (1020.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 24 Mar 6:53 am CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Today

    Today: Mostly cloudy, with a high near 53. Southeast wind 7 to 10 mph.

    High: 53 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South wind 6 to 8 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South southwest wind 5 to 10 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. West southwest wind 6 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46. Breezy, with a north wind 18 to 22 mph, with gusts as high as 34 mph.

    High: 46 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. North wind 8 to 18 mph, with gusts as high as 29 mph.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 40. West northwest wind 6 to 10 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. West northwest wind 6 to 9 mph becoming south southwest after midnight.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 53. Southeast wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 34. South wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 71. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 36. West southwest wind 6 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.
Thursday
Partly sunny, with a high near 46. Breezy, with a north wind 18 to 22 mph, with gusts as high as 34 mph.
Thursday Night
Partly cloudy, with a low around 16. North wind 8 to 18 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 40. West northwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 24. West northwest wind 6 to 9 mph becoming south southwest after midnight.
Saturday
Sunny, with a high near 56. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
6:36 am CDT Mar 24, 2026
Forecast Valid:
7am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
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