Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

Hazardous Weather Conditions

Flood Watch in effect from June 14, 07:00 PM CDT until June 16, 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.

Mostly Cloudy

87°F

31°C

Humidity	85%
Wind Speed	NW 7 mph
Barometer	29.94 in (1013.0 mb)
Dewpoint	82°F (28°C)
Visibility	10.00 mi
Heat Index	106°F (41°C)
Last update	14 Jun 3:56 pm CDT

More Information:

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

Detailed forecast for

Caldwell County

This Afternoon

Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 80s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Tonight

Cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 60 percent.

Monday

Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 90 percent.

Monday Night

Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 70s. East winds around 5 mph. Chance of rain 70 percent.

Tuesday

Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the morning. Some thunderstorms may produce heavy rainfall. Humid with highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Tuesday Night

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 70s.

Wednesday

Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms. Highs around 90.

Wednesday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.

Thursday

Mostly cloudy in the morning, then clearing. A slight chance of showers and thunderstorms. Highs in the mid 90s. Highest heat index readings up to 110.

Thursday Night

Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 70s. Chance of rain 30 percent. Highest heat index readings up to 105 early in the evening.

Juneteenth

Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent.

Friday Night

Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A chance of showers. Lows in the mid 70s. Chance of rain 50 percent.

Saturday