Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

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

Mostly Cloudy

82°F

28°C

Humidity	60%
Wind Speed	S 16 mph
Barometer	29.93 in (1012.5 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	20 Nov 12:56 pm CST

More Information:

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

Detailed forecast for

Hays County

Rest Of Today

Mostly cloudy. A chance of showers late this morning, then showers likely with a chance of thunderstorms this afternoon. Near steady temperature in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Tonight

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph, becoming south after midnight. Chance of rain 70 percent.

Friday

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the upper 70s. Northwest winds around 5 mph. Chance of rain 40 percent.

Friday Night

Partly cloudy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows around 60. North winds around 5 mph. Chance of rain 30 percent.

Saturday

Partly cloudy. A chance of showers, mainly in the morning. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of rain 30 percent.

Saturday Night

Partly cloudy with a slight chance of showers in the evening, then cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of rain 30 percent.

Sunday

Cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.

Sunday Night

Cloudy with a chance of thunderstorms. A chance of showers. Lows in the lower 60s. Chance of rain 50 percent.

Monday

Showers with a chance of thunderstorms in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 80 percent.

Monday Night And Tuesday

Mostly clear. Lows around 50. Highs in the mid 70s.

Tuesday Night And Wednesday

Partly cloudy. Lows in the upper 40s. Highs in the mid 60s.