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

51°F

11°C

Humidity 74%
Wind Speed Calm
Barometer 30.07 in (1018.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 7 Oct 11:53 pm CDT
Extended Forecast for

6 Miles S Ortley SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Light north northwest wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. East southeast wind 6 to 8 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. South southeast wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. South wind 13 to 18 mph, with gusts as high as 31 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 39 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. South wind 14 to 17 mph, with gusts as high as 31 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 69. South wind around 14 mph becoming north in the morning. Winds could gust as high as 25 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 44. North wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Light north northwest wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. East southeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 76. South southeast wind 9 to 15 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 65. South wind 13 to 18 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 39 mph.
Saturday Night
Mostly clear, with a low around 60. South wind 14 to 17 mph, with gusts as high as 31 mph.
Sunday
Partly sunny, with a high near 69. South wind around 14 mph becoming north in the morning. Winds could gust as high as 25 mph.
Sunday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 44. North wind 11 to 14 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 51. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 39. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Ortley SD
 45.25°N 97.21°W (Elev. 1837 ft)
Last Update:
12:16 am CDT Oct 8, 2026
Forecast Valid:
12am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation