Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

A Few Clouds

61°F

16°C

Humidity 87%
Wind Speed N 7 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 2 Sep 3:53 am CDT
Extended Forecast for

4 Miles SE Watertown Municipal Airport SD

  • Overnight

    Overnight: A slight chance of showers.  Partly cloudy, with a low around 59. Light east northeast wind.  Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. East wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. East southeast wind around 9 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 88. East southeast wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. Southeast wind 3 to 7 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 90. Light south southeast wind becoming southeast 6 to 11 mph in the morning.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. East southeast wind 7 to 9 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. South wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 67. South wind around 8 mph.  Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers. Partly cloudy, with a low around 59. Light east northeast wind. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 82. East wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 65. East southeast wind around 9 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 88. East southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 67. Southeast wind 3 to 7 mph.
Friday
Sunny and hot, with a high near 90. Light south southeast wind becoming southeast 6 to 11 mph in the morning.
Friday Night
Mostly clear, with a low around 71. East southeast wind 7 to 9 mph.
Saturday
Sunny, with a high near 89. South wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Watertown Municipal Airport SD
 44.89°N 97.08°W (Elev. 1739 ft)
3:51 am CDT Sep 2, 2026
4am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database