Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

78°F

26°C

Humidity	79%
Wind Speed	SE 6 mph
Barometer	29.97 in (1014.1 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	13 Aug 4:56 am CDT

More Information:

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

Extended Forecast for

Wimberley TX

Today
High: 95 °F
Mostly Sunny
then Chance
T-storms
Tonight
Low: 73 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 96 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 75 °F
Mostly Clear
Friday
High: 97 °F
Mostly Sunny
Friday Night
Low: 74 °F
Partly Cloudy
Saturday
High: 95 °F
Slight Chance
Showers then
Chance
T-storms
Saturday Night
Low: 74 °F
Partly Cloudy
Sunday
High: 97 °F
Mostly Sunny

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming west southwest around 5 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming south around 5 mph in the morning.

Thursday Night

Mostly clear, with a low around 75. Southeast wind around 5 mph.

Friday

Mostly sunny, with a high near 97. South wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

Partly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Light south southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Saturday Night

Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 20 mph.

Sunday

Mostly sunny, with a high near 97. Calm wind becoming south southeast around 5 mph in the morning.

Sunday Night

Mostly clear, with a low around 73.

Monday

Mostly sunny, with a high near 97.

Monday Night

Partly cloudy, with a low around 75.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.