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

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

75°F

24°C

Humidity	94%
Wind Speed	E 6 mph
Barometer	29.96 in (1013.0 mb)
Dewpoint	73°F (23°C)
Visibility	9.00 mi
Last update	16 Aug 12:53 am CDT

More Information:

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

Extended Forecast for

5 Miles NE Florence SD

Severe T-storm Watch until August 16, 06:00am

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 16, 06:00am
NOW until 6:00am Sat
Severe T-storm Watch
Overnight
Low: 71 °F
Severe
Thunderstorms
Saturday
High: 81 °F
Chance
T-storms then
Partly Sunny
Saturday Night
Low: 65 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 80 °F
Chance
T-storms
Sunday Night
Low: 63 °F
Chance
T-storms
Monday
High: 78 °F
Partly Sunny
Monday Night
Low: 63 °F
Mostly Cloudy
Tuesday
High: 80 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers and thunderstorms likely, mainly between 4am and 5am. Some of the storms could be severe. Mostly cloudy, with a steady temperature around 71. East northeast wind around 8 mph becoming southeast. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

A chance of showers and thunderstorms before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 81. North northeast wind 9 to 14 mph becoming east southeast in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 65. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 80. East southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Monday

Partly sunny, with a high near 78. North northeast wind 7 to 9 mph.

Monday Night

Mostly cloudy, with a low around 63. East northeast wind 6 to 9 mph.

Tuesday

Mostly sunny, with a high near 80. East northeast wind 6 to 8 mph.

Tuesday Night

Mostly clear, with a low around 62. East northeast wind 5 to 8 mph becoming southeast after midnight.

Wednesday

Mostly sunny, with a high near 81.

Wednesday Night

Mostly clear, with a low around 63.