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

49°F

9°C

Humidity 83%
Wind Speed NA
Barometer 30.11 in (1020.0 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 8 Oct 8:53 am CDT
Extended Forecast for

6 Miles WNW Watertown Municipal Airport SD

  • Today

    Today: Mostly sunny, with a high near 68. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Southeast wind 6 to 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. South wind 15 to 18 mph, with gusts as high as 32 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Breezy, with a south wind 20 to 24 mph, with gusts as high as 38 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Breezy, with a south wind 15 to 20 mph, with gusts as high as 31 mph.

    Low: 61 °F

    Clear and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 72. South wind around 15 mph becoming north in the morning. Winds could gust as high as 26 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 43. North wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54. North wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 68. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 47. Southeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 78. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 66. South wind 15 to 18 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 82. Breezy, with a south wind 20 to 24 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 61. Breezy, with a south wind 15 to 20 mph, with gusts as high as 31 mph.
Sunday
Mostly sunny, with a high near 72. South wind around 15 mph becoming north in the morning. Winds could gust as high as 26 mph.
Sunday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 43. North wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54. North wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 41. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 61. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Watertown Municipal Airport SD
 44.97°N 97.27°W (Elev. 1791 ft)
Last Update:
8:21 am CDT Oct 8, 2026
Forecast Valid:
9am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation