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

84°F

29°C

Humidity	63%
Wind Speed	S 9 mph
Barometer	29.97 in (1013.2 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	16 Aug 1:53 pm CDT

More Information:

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

Extended Forecast for

5 Miles NE Wallace SD

This Afternoon
High: 83 °F
Mostly Sunny
Tonight
Low: 67 °F
Mostly Cloudy
then Chance
T-storms
Sunday
High: 81 °F
Heavy Rain
Sunday Night
Low: 63 °F
Chance
T-storms then
Chance
Showers
Monday
High: 79 °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: 80 °F
Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 83. East wind around 8 mph.

Tonight

A chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 67. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Sunday

Showers and thunderstorms likely, mainly before 3pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. East southeast wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 79. North wind 8 to 10 mph.

Monday Night

Partly cloudy, with a low around 62. East northeast wind 6 to 10 mph.

Tuesday

Mostly sunny, with a high near 79. East northeast wind 6 to 8 mph.

Tuesday Night

Mostly clear, with a low around 60. East northeast wind 6 to 9 mph becoming southeast after midnight.

Wednesday

Sunny, with a high near 80. Southeast wind 6 to 9 mph.

Wednesday Night

Mostly clear, with a low around 61.