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.

Fair

63°F

17°C

Humidity	90%
Wind Speed	NW 8 mph
Barometer	30.17 in (1021.0 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	16 Aug 7:53 am CDT

More Information:

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

Extended Forecast for

Castlewood SD

Today
High: 78 °F
Sunny
Tonight
Low: 55 °F
Mostly Clear
Monday
High: 81 °F
Sunny
Monday Night
Low: 59 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 77 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 53 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 76 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 56 °F
Slight Chance
T-storms
Thursday
High: 79 °F
Slight Chance
Showers

Detailed Forecast

Today

Sunny, with a high near 78. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.

Tonight

Mostly clear, with a low around 55. North northwest wind 5 to 7 mph becoming calm in the evening.

Monday

Sunny, with a high near 81. South southeast wind 5 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

Monday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 59. West wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.

Tuesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Northeast wind 5 to 8 mph. Chance of precipitation is 50%.

Tuesday Night

A chance of thunderstorms before 7pm. Mostly cloudy, with a low around 53. Northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.

Wednesday

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. South wind 3 to 5 mph. Chance of precipitation is 20%.

Thursday

A slight chance of showers before 1pm. Mostly sunny, with a high near 79. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Thursday Night

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 59. Chance of precipitation is 20%.

Friday

Mostly sunny, with a high near 82.

Friday Night

Mostly clear, with a low around 59.

Saturday

Mostly sunny, with a high near 81.