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

68°F

20°C

Humidity 30%
Wind Speed N 7 mph
Barometer 29.83 in (1010.4 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 29 Mar 4:53 pm CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Tonight

    Tonight: Partly cloudy, with a low around 35. North northwest wind 6 to 8 mph becoming east northeast after midnight.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. East northeast wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 2am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 34. Breezy, with a north wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 36 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. Northeast wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow after 1pm. Mostly cloudy, with a high near 40. East wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 27. East wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 42. Breezy, with an east southeast wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 29. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Snow
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. North northwest wind 6 to 8 mph becoming east northeast after midnight.
Monday
Mostly sunny, with a high near 68. East northeast wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Monday Night
A slight chance of rain before 2am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 34. Breezy, with a north wind 9 to 14 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 43. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 20. Northeast wind 9 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of snow after 1pm. Mostly cloudy, with a high near 40. East wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 27. East wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 42. Breezy, with an east southeast wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 29. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 44. Breezy. Chance of precipitation is 60%.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Breezy. Chance of precipitation is 50%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 30%.
Sunday
A slight chance of snow. Mostly sunny, with a high near 40. Breezy. Chance of precipitation is 20%.
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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:
5:36 pm CDT Mar 29, 2026
Forecast Valid:
5pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation