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 Windy

37°F

3°C

Humidity 93%
Wind Speed N 26 G 36 mph
Barometer 29.77 in (1008.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Mar 9:53 pm CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Tonight

    Tonight: A chance of sprinkles before 2am, then a slight chance of rain between 2am and 5am, then a slight chance of rain and snow after 5am. Mostly cloudy, with a low around 28. Blustery, with a north northeast wind 23 to 28 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Blustery.
    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 42. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Becoming
    Sunny

  • Sunday Night

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

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 51. Southeast wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 51 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. East wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. East wind around 11 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. East wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. West wind around 11 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of sprinkles before 2am, then a slight chance of rain between 2am and 5am, then a slight chance of rain and snow after 5am. Mostly cloudy, with a low around 28. Blustery, with a north northeast wind 23 to 28 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 42. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 25. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
Increasing clouds, with a high near 51. Southeast wind 5 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 35. South wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 54. East wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 34. East wind around 11 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 63. East wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 33. West wind around 11 mph becoming north after midnight. Winds could gust as high as 22 mph.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
Last Update:
9:36 pm CDT Mar 21, 2026
Forecast Valid:
10pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026
 
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Additional Resources

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