Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Flood Watch until July 13, 07:00 PM CDT

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89° N Lon: 97.86° W Elev: 597 ft.

Fair

81°F

27°C

Humidity	85%
Wind Speed	S 10 mph
Barometer	30.02 in (1015.6 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	12 Jul 10:56 pm CDT

More Information:

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

Detailed forecast for

Hays County

Tonight

Partly cloudy with a slight chance of showers this evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Sunday

Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Locally heavy rainfall possible. Highs in the lower 90s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Sunday Night

Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Locally heavy rainfall possible in the evening. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 30 percent.

Monday

Partly cloudy. Highs in the lower 90s. South winds 5 to 10 mph.

Monday Night

Partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph.

Tuesday Through Saturday

Partly cloudy. Highs in the mid 90s. Lows in the lower 70s.