Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. 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

70°F

21°C

Humidity 97%
Wind Speed NE 3 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 18 Jul 6:53 pm CDT
Extended Forecast for

Waverly SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 9pm.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 58. Calm wind becoming north 5 to 9 mph after midnight.  Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers after 4pm.  Patchy fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Northeast wind around 11 mph.  Chance of precipitation is 20%.

    High: 71 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. East southeast wind 7 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 76. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. East southeast wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 82. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Southeast wind 7 to 9 mph.  Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 84. Southeast wind 8 to 10 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. East wind 8 to 10 mph becoming north northeast after midnight.  Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 9pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. Calm wind becoming north 5 to 9 mph after midnight. Chance of precipitation is 30%.
Saturday
A slight chance of showers after 4pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Northeast wind around 11 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 57. East southeast wind 7 to 10 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. South southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind 7 to 9 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind 8 to 10 mph becoming north northeast after midnight. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Waverly SD
 45°N 96.97°W (Elev. 1952 ft)
6:49 pm CDT Jul 18, 2025
7pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025
 
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Additional Resources

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