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.

Overcast and Breezy

31°F

-1°C

Humidity 96%
Wind Speed N 21 G 32 mph
Barometer 29.94 in (1014.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 22 Mar 3:53 am CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Overnight

    Overnight: A chance of sprinkles. Mostly cloudy, with a low around 28. Blustery, with a north wind around 22 mph, with gusts as high as 36 mph.

    Low: 28 °F

    Chance
    Sprinkles and
    Blustery

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 43. Breezy, with a north wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 43 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. North northwest wind 5 to 8 mph becoming light and variable.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: A chance of sprinkles after 1pm. Increasing clouds, with a high near 50. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Chance
    Sprinkles

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. East wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. East northeast wind around 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. East northeast wind around 10 mph becoming southwest in the afternoon.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Southwest wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
A chance of sprinkles. Mostly cloudy, with a low around 28. Blustery, with a north wind around 22 mph, with gusts as high as 36 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 43. Breezy, with a north wind 10 to 20 mph, with gusts as high as 32 mph.
Sunday Night
Mostly clear, with a low around 25. North northwest wind 5 to 8 mph becoming light and variable.
Monday
A chance of sprinkles after 1pm. Increasing clouds, with a high near 50. South wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 33. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Mostly cloudy, with a high near 53. East wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 34. East northeast wind around 10 mph.
Wednesday
Partly sunny, with a high near 63. East northeast wind around 10 mph becoming southwest in the afternoon.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Southwest wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 45. Breezy.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 51.
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Forecast Area
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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:
4:36 am CDT Mar 22, 2026
Forecast Valid:
4am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation