Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Rain Fog/Mist

61°F

16°C

Humidity 93%
Wind Speed NE 17 G 29 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 59°F (15°C)
Visibility 6.00 mi
Last update 16 Jul 12:53 am CDT
Extended Forecast for

Lake Norden SD

  • Overnight

    Overnight: A chance of showers and thunderstorms, mainly after 5am.  Cloudy, with a low around 58. North northeast wind around 6 mph.  Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers.  Cloudy, with a high near 66. North northeast wind 14 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. North wind 7 to 16 mph, with gusts as high as 26 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. North northeast wind 6 to 8 mph becoming southeast in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. South southeast wind 8 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 78. South southeast wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. South southeast wind 6 to 10 mph becoming north northeast after midnight.  Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 80. North northeast wind 6 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Northeast wind 6 to 9 mph.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, mainly after 5am. Cloudy, with a low around 58. North northeast wind around 6 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers. Cloudy, with a high near 66. North northeast wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 51. North wind 7 to 16 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 72. North northeast wind 6 to 8 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. South southeast wind 8 to 10 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind 6 to 10 mph becoming north northeast after midnight. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 80. North northeast wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 60. Northeast wind 6 to 9 mph.
Sunday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Norden SD
 44.59°N 97.2°W (Elev. 1660 ft)
1:46 am CDT Jul 16, 2025
1am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
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Additional Resources

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