Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

75°F

24°C

Humidity	54%
Wind Speed	NW 10 mph
Barometer	30.01 in (1015.5 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	12 Aug 3:53 pm CDT

More Information:

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

Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

This Afternoon
High: 77 °F
Sunny
Tonight
Low: 56 °F
Clear
Wednesday
High: 81 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 64 °F
Chance
T-storms
Thursday
High: 83 °F
Slight Chance
T-storms
Thursday Night
Low: 67 °F
Mostly Clear
then Slight
Chance
T-storms
Friday
High: 83 °F
Partly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 65 °F
Chance
T-storms
Saturday
High: 81 °F
Slight Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 77. West northwest wind around 10 mph.

Tonight

Clear, with a low around 56. North northwest wind 5 to 7 mph becoming calm in the evening.

Wednesday

Patchy fog before 8am. Otherwise, sunny, with a high near 81. Light south southeast wind increasing to 8 to 13 mph in the morning.

Wednesday Night

A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 64. South southeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Thursday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. South wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Thursday Night

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. South southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Friday

A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southeast wind 6 to 10 mph becoming east in the afternoon. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Saturday

A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

Monday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 20%.