Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

77°F

25°C

Humidity	85%
Wind Speed	S 18 G 26 mph
Barometer	29.79 in (1008.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	27 Apr 10:56 pm CDT

More Information:

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

Extended Forecast for

3 Miles NNE Woodcreek TX

Tonight

Showers
Likely
Low: 73 °F
Sunday

Showers
High: 80 °F
Sunday
Night

Slight Chance
T-storms then
Mostly Cloudy
Low: 66 °F
Monday

Partly Sunny
then Slight
Chance
T-storms
High: 85 °F
Monday
Night

Partly Cloudy
Low: 68 °F
Tuesday

Slight Chance
T-storms
High: 83 °F
Tuesday
Night

Mostly Cloudy
Low: 70 °F
Wednesday

Mostly Cloudy
then Chance
T-storms
High: 82 °F
Wednesday
Night

Chance
T-storms
Low: 70 °F

Detailed Forecast

Tonight

Showers likely and possibly a thunderstorm after 4am. Cloudy, with a steady temperature around 73. South southeast wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. High near 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 66. South wind 5 to 10 mph.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. South southwest wind 5 to 10 mph becoming southeast in the afternoon.

Monday Night

Partly cloudy, with a low around 68. Southeast wind around 10 mph.

Tuesday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South southeast wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. South southeast wind around 15 mph, with gusts as high as 25 mph.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 83.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Friday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

Friday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.