Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

48°F

9°C

Humidity 74%
Wind Speed SE 13 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 16 Apr 7:53 am CDT
Extended Forecast for

Watertown SD

Red Flag Warning April 16, 11:00am until April 16, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Sunny, with a high near 81. Breezy, with a south southeast wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Southwest wind 11 to 17 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers before 1pm.  Mostly cloudy, with a high near 45. Breezy, with a north wind 17 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 33 mph.

    Low: 22 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. Breezy, with a west northwest wind 16 to 21 mph, with gusts as high as 32 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. North northwest wind 6 to 9 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. North northeast wind 7 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. South southeast wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Breezy, with a south southeast wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
Increasing clouds, with a low around 35. Southwest wind 11 to 17 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 45. Breezy, with a north wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 22. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 33 mph.
Saturday
Mostly sunny, with a high near 44. Breezy, with a west northwest wind 16 to 21 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 25. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 53. North northwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 32. North northeast wind 7 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 67. South southeast wind 11 to 16 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
7:36 am CDT Apr 16, 2026
8am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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