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

27°F

-3°C

Humidity 63%
Wind Speed NW 20 G 31 mph
Barometer 29.93 in (1015.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 18 Apr 4:53 am CDT
Extended Forecast for

6 Miles WSW Watertown SD

  • Today

    Today: Sunny, with a high near 44. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 32 mph.

    High: 44 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 25. West wind 8 to 18 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 46. North northwest wind 8 to 10 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. North wind 6 to 10 mph becoming southeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. South southwest wind 8 to 14 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. North northeast wind around 9 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. East wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Breezy, with a south wind 14 to 23 mph, with gusts as high as 33 mph.

    High: 83 °F

    Sunny then
    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 44. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 32 mph.
Tonight
Increasing clouds, with a low around 25. West wind 8 to 18 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 46. North northwest wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 27. North wind 6 to 10 mph becoming southeast after midnight.
Monday
Mostly sunny, with a high near 69. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 40. South southwest wind 8 to 14 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 69. North northeast wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 48. East wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 83. Breezy, with a south wind 14 to 23 mph, with gusts as high as 33 mph.
Wednesday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 57. Breezy. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Breezy. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 50. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
Last Update:
4:36 am CDT Apr 18, 2026
Forecast Valid:
4am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation