Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

77°F

25°C

Humidity 71%
Wind Speed W 7 mph
Barometer 29.95 in (1013.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 7:53 pm CDT
Extended Forecast for

7 Miles NW South Shore SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 2am.  Increasing clouds, with a low around 60. West southwest wind around 8 mph.  Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am.  Mostly cloudy through mid morning, then becoming sunny, with a high near 75. North northeast wind around 7 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. North wind around 6 mph becoming light and variable  in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny, with a high near 76. South wind around 6 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm.  Mostly clear, with a low around 59. South southwest wind 6 to 9 mph.  Chance of precipitation is 10%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 62. West wind around 9 mph.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 79. North northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly clear, with a low around 58. North wind 7 to 10 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 60. West southwest wind around 8 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms before 9am. Mostly cloudy through mid morning, then becoming sunny, with a high near 75. North northeast wind around 7 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 55. North wind around 6 mph becoming light and variable in the evening.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 76. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 59. South southwest wind 6 to 9 mph. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 80. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. West wind around 9 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 79. North northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 58. North wind 7 to 10 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW South Shore SD
 45.19°N 97°W (Elev. 2014 ft)
7:36 pm CDT Aug 17, 2026
8pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database