Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

69°F

21°C

Humidity 84%
Wind Speed E 7 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 Aug 9:53 am CDT
Extended Forecast for

Waverly SD

  • Today

    Today: A slight chance of showers after 3pm.  Partly sunny, with a high near 75. East southeast wind 8 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and midnight.  Mostly cloudy, with a low around 63. East southeast wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 79. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. North northwest wind around 9 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75. North northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. North northwest wind 5 to 7 mph becoming light and variable  in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 60. South southwest wind around 9 mph.  Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 77. Southwest wind around 8 mph becoming north in the afternoon.  Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers after 3pm. Partly sunny, with a high near 75. East southeast wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and midnight. Mostly cloudy, with a low around 63. East southeast wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 79. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 58. North northwest wind around 9 mph.
Sunday
Sunny, with a high near 75. North northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 55. North northwest wind 5 to 7 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 78. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. South southwest wind around 9 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Southwest wind around 8 mph becoming north in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Waverly SD
 45°N 96.97°W (Elev. 1952 ft)
9:38 am CDT Aug 14, 2026
10am CDT Aug 14, 2026-6pm CDT Aug 20, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database