Areas of Excessive Rainfall and Severe Thunderstorms Friday

Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

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

Fair

68°F

20°C

Humidity	100%
Wind Speed	Calm
Barometer	29.93 in (1013.0 mb)
Dewpoint	68°F (20°C)
Visibility	9.00 mi
Last update	13 Jun 12:56 am CDT

More Information:

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

Detailed forecast for

Hays County

Today

Patchy fog this morning. Mostly cloudy with a slight chance of showers and thunderstorms this morning, then mostly sunny with a chance of showers and thunderstorms this afternoon. Warmer with highs in the lower 90s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent.

Tonight

Mostly clear in the evening, then becoming mostly cloudy. Humid with lows in the mid 70s. South winds 5 to 10 mph.

Saturday

Partly cloudy with a slight chance of showers and thunderstorms. Humid with highs in the lower 90s. South winds 5 to 10 mph with gusts up to 20 mph. Highest heat index readings up to 106.

Saturday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. South winds 5 to 10 mph.

Sunday

Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph.

Sunday Night Through Monday Night

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

Tuesday

Partly cloudy in the morning, then clearing. Highs in the mid 90s.

Tuesday Night Through Wednesday Night

Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 105.

Juneteenth

Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent.