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.

Partly Cloudy

28°F

-2°C

Humidity 88%
Wind Speed N 12 mph
Barometer 30.39 in (1030.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 6 Apr 4:53 am CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 31. North wind 10 to 13 mph.

    High: 31 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 15. North northeast wind 6 to 10 mph becoming east after midnight.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 37 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain or freezing rain between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. South southeast wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Freezing
    Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm. Partly sunny, with a high near 51. Breezy, with a south wind 14 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45. West northwest wind 10 to 13 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. North northwest wind 5 to 8 mph becoming light and variable in the evening.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain and snow before 1pm, then a slight chance of rain. Mostly sunny, with a high near 51. East southeast wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 31. North wind 10 to 13 mph.
Tonight
Partly cloudy, with a low around 15. North northeast wind 6 to 10 mph becoming east after midnight.
Tuesday
Partly sunny, with a high near 37. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
A slight chance of rain or freezing rain between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. South southeast wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain before 1pm. Partly sunny, with a high near 51. Breezy, with a south wind 14 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 27. West wind 13 to 17 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 45. West northwest wind 10 to 13 mph.
Thursday Night
Partly cloudy, with a low around 25. North northwest wind 5 to 8 mph becoming light and variable in the evening.
Friday
A slight chance of rain and snow before 1pm, then a slight chance of rain. Mostly sunny, with a high near 51. East southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Saturday
A chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Sunday
A chance of rain. Partly sunny, with a high near 68. Chance of precipitation is 50%.
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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 Apr 6, 2026
Forecast Valid:
5am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation