National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

80°F

27°C

Humidity 74%
Wind Speed SW 13 mph
Barometer 29.61 in (1001.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Jun 8:53 pm CDT
Extended Forecast for

9 Miles S Ortley SD

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South southwest wind around 11 mph, with gusts as high as 28 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 5am. Increasing clouds, with a low around 64. West southwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 10%.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Cloudy through mid morning, then gradual clearing, with a high near 84. South southwest wind 7 to 9 mph. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 7pm. Mostly clear, with a low around 64. West northwest wind around 6 mph becoming light and variable. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. South southeast wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Southeast wind 7 to 10 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South southwest wind 6 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East southeast wind around 10 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. South southwest wind around 11 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A slight chance of showers after 5am. Increasing clouds, with a low around 64. West southwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 10%.
Wednesday
A chance of showers and thunderstorms. Cloudy through mid morning, then gradual clearing, with a high near 84. South southwest wind 7 to 9 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 64. West northwest wind around 6 mph becoming light and variable. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. South southeast wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Southeast wind 7 to 10 mph. Chance of precipitation is 60%.
Friday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South southwest wind 6 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East southeast wind around 10 mph. Chance of precipitation is 60%.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Saturday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
Last Update:
8:46 pm CDT Jun 29, 2026
Forecast Valid:
9pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation