Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

82°F

28°C

Humidity	67%
Wind Speed	S 9 mph
Barometer	29.97 in (1013.5 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
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

3 Miles E Watertown Municipal Airport SD

This Afternoon
High: 85 °F
Slight Chance
T-storms
Tonight
Low: 67 °F
Chance
T-storms
Sunday
High: 83 °F
Chance
T-storms
Sunday Night
Low: 64 °F
Chance
T-storms then
Chance
Showers
Monday
High: 81 °F
Mostly Sunny
Monday Night
Low: 62 °F
Partly Cloudy
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 79 °F
Sunny

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 85. South wind around 10 mph becoming east. Chance of precipitation is 10%.

Tonight

A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 67. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms, mainly after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. East southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. East southeast wind 7 to 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 81. North northwest wind 7 to 10 mph.

Monday Night

Partly cloudy, with a low around 62. Northeast wind 5 to 9 mph.

Tuesday

Mostly sunny, with a high near 79. East northeast wind 5 to 8 mph.

Tuesday Night

Mostly clear, with a low around 60. East northeast wind 5 to 8 mph becoming light and variable after midnight.

Wednesday

Sunny, with a high near 79. Southeast wind 3 to 8 mph.

Wednesday Night

Mostly clear, with a low around 60.