Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

65°F

18°C

Humidity 76%
Wind Speed SE 3 mph
Barometer 29.99 in (1014.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Jul 3:53 am CDT
Extended Forecast for

2 Miles ESE Watertown Municipal Airport SD

  • Today

    Today: Sunny, with a high near 88. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 70. South wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 85. South wind 6 to 11 mph becoming north northeast in the afternoon.  Chance of precipitation is 30%.

    High: 85 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 60. North northeast wind 11 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 60 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 67. North northeast wind 13 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 10pm.  Mostly cloudy, with a low around 54. North northeast wind 8 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 70. North northeast wind around 9 mph.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. East northeast wind 6 to 8 mph becoming southeast after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 75. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 88. Light and variable wind becoming south 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 70. South wind 9 to 11 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South wind 6 to 11 mph becoming north northeast in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 60. North northeast wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 67. North northeast wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Mostly cloudy, with a low around 54. North northeast wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 70. North northeast wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 55. East northeast wind 6 to 8 mph becoming southeast after midnight.
Friday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. South southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
4:46 am CDT Jul 14, 2025
4am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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Additional Resources

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