Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

75°F

24°C

Humidity 94%
Wind Speed SE 9 mph
Barometer 29.99 in (1013.8 mb)
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Last update 6 Sep 5:53 am CDT
Extended Forecast for

3 Miles NW Watertown Municipal Airport SD

  • Today

    Today: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 85. South southeast wind 8 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 1am and 2am.  Mostly cloudy, with a low around 68. South southeast wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Labor Day

    Labor Day: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 85. Breezy, with a south southeast wind 15 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 70. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 36 mph.  Chance of precipitation is 50%.

    Low: 70 °F

    Breezy.
    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. South southwest wind 11 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. West wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. West northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. West wind 3 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. West southwest wind 5 to 13 mph, with gusts as high as 24 mph.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 85. South southeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly between 1am and 2am. Mostly cloudy, with a low around 68. South southeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Labor Day
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Breezy, with a south southeast wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 82. South southwest wind 11 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 59. West wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 76. West northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 55. West wind 3 to 8 mph.
Thursday
Sunny, with a high near 80. West southwest wind 5 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 58.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Watertown Municipal Airport SD
 44.95°N 97.21°W (Elev. 1680 ft)
6:21 am CDT Sep 6, 2026
6am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
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Additional Resources

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