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

72°F

22°C

Humidity	87%
Wind Speed	SE 7 mph
Barometer	29.95 in (1013.1 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	16 Aug 9:53 am CDT

More Information:

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

Extended Forecast for

6 Miles WSW Watertown SD

Today
High: 83 °F
Slight Chance
T-storms
Tonight
Low: 67 °F
Chance
T-storms
Sunday
High: 84 °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: 80 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 83. South southeast wind 13 to 15 mph becoming east in the afternoon. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 67. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. East southeast wind 8 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 81. North wind 8 to 10 mph.

Monday Night

Partly cloudy, with a low around 62. Northeast wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 80. East northeast wind 5 to 8 mph.

Tuesday Night

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

Wednesday

Sunny, with a high near 80. Southeast wind 5 to 8 mph.

Wednesday Night

Mostly clear, with a low around 61.