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.

Light Rain

56°F

13°C

Humidity 77%
Wind Speed W 6 mph
Barometer 30.03 in (1017.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 1:53 pm CDT
Extended Forecast for

4 Miles N Watertown Municipal Airport SD

  • This Afternoon

    This Afternoon: Showers likely, mainly before 3pm. Partly sunny, with a high near 66. West wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Tonight

    Tonight: Mostly clear, with a low around 44. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Light west northwest wind increasing to 5 to 9 mph in the morning.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. Breezy, with a south southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South wind 13 to 17 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. South southwest wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North northwest wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. North wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly before 3pm. Partly sunny, with a high near 66. West wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly clear, with a low around 44. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 66. Light west northwest wind increasing to 5 to 9 mph in the morning.
Sunday Night
Clear, with a low around 45. Light and variable wind.
Monday
Sunny, with a high near 70. Breezy, with a south southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Mostly clear, with a low around 55. South wind 13 to 17 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 77. South southwest wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 53. North northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 70. North wind 6 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Watertown Municipal Airport SD
 44.97°N 97.15°W (Elev. 1736 ft)
Last Update:
1:36 pm CDT Oct 3, 2026
Forecast Valid:
2pm CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
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Additional Resources

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Chance of Precipitation