Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

62°F

17°C

Humidity 78%
Wind Speed S 10 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Jul 10:53 am CDT
Extended Forecast for

7 Miles NNW Wallace SD

  • Today

    Today: Mostly sunny, with a high near 69. South southeast wind 5 to 9 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Southeast wind 10 to 14 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, mainly between 7am and 1pm.  Mostly cloudy, with a high near 73. South southeast wind 10 to 14 mph.  Chance of precipitation is 50%.

    High: 73 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 60. Northeast wind 7 to 9 mph.  Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 74. Northeast wind around 10 mph.

    High: 74 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am.  Partly cloudy, with a low around 61. East wind around 10 mph.  Chance of precipitation is 20%.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 77. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 84. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 69. South southeast wind 5 to 9 mph.
Tonight
Mostly cloudy, with a low around 58. Southeast wind 10 to 14 mph.
Friday
A chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly cloudy, with a high near 73. South southeast wind 10 to 14 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 60. Northeast wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 74. Northeast wind around 10 mph.
Saturday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 61. East wind around 10 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Wallace SD
 45.18°N 97.54°W (Elev. 1847 ft)
10:45 am CDT Jul 17, 2025
11am CDT Jul 17, 2025-6pm CDT Jul 23, 2025
 
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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