Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

A Few Clouds

75°F

24°C

Humidity	54%
Wind Speed	NW 12 G 21 mph
Barometer	30.17 in (1021.0 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	16 Aug 12:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Watertown SD

This Afternoon
High: 77 °F
Sunny
Tonight
Low: 59 °F
Mostly Clear
Monday
High: 81 °F
Sunny then
Chance
T-storms
Monday Night
Low: 59 °F
Chance
T-storms then
Patchy Fog
Tuesday
High: 75 °F
Showers
Likely
Tuesday Night
Low: 55 °F
Partly Cloudy
Wednesday
High: 76 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 57 °F
Slight Chance
T-storms
Thursday
High: 79 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 77. North northwest wind around 14 mph.

Tonight

Mostly clear, with a low around 59. Northwest wind 5 to 8 mph becoming calm in the evening.

Monday

A chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 81. South wind 5 to 13 mph becoming west southwest in the afternoon. Chance of precipitation is 30%.

Monday Night

A chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 59. West northwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 30%.

Tuesday

A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Partly cloudy, with a low around 55. North northeast wind around 6 mph becoming light and variable after midnight.

Wednesday

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. South southwest wind 3 to 6 mph. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. South wind 3 to 5 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 79. South wind 5 to 11 mph, with gusts as high as 21 mph.

Thursday Night

Mostly clear, with a low around 60.

Friday

A slight chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 59.

Saturday

Mostly sunny, with a high near 77.