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

78°F

26°C

Humidity 54%
Wind Speed S 12 mph
Barometer 29.99 in (1014.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 May 11:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

  • This Afternoon

    This Afternoon: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 80. South southeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly between 3am and 5am. Cloudy, with a low around 59. Southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Breezy, with a southeast wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Breezy, with a southeast wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. East southeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East southeast wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southeast wind around 10 mph becoming west in the afternoon. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. North wind 5 to 7 mph becoming southeast after midnight. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South southeast wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 80. South southeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tonight
Showers likely, mainly between 3am and 5am. Cloudy, with a low around 59. Southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Breezy, with a southeast wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Breezy, with a southeast wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. East southeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East southeast wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southeast wind around 10 mph becoming west in the afternoon. Chance of precipitation is 40%.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. North wind 5 to 7 mph becoming southeast after midnight. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South southeast wind 7 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
Last Update:
12:36 pm CDT May 29, 2026
Forecast Valid:
12pm CDT May 29, 2026-6pm CDT Jun 4, 2026
 
Forecast Discussion
 
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Additional Resources

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