Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley

Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Light Rain

67°F

19°C

Humidity	93%
Wind Speed	N 6 mph
Barometer	29.93 in (1013.0 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	20 Nov 7:56 pm CST

More Information:

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

Extended Forecast for

4 Miles NNW San Marcos Municipal Airport TX

Tonight
Low: 65 °F
Chance
T-storms then
Chance
Showers
Friday
High: 80 °F
Chance
Showers
Friday Night
Low: 62 °F
Slight Chance
Showers then
Chance
T-storms
Saturday
High: 77 °F
Chance
Showers
Saturday Night
Low: 59 °F
Slight Chance
Showers
Sunday
High: 77 °F
Chance
Showers
Sunday Night
Low: 63 °F
Chance
Showers then
Chance
T-storms
Monday
High: 77 °F
Showers then
Chance
Showers
Monday Night
Low: 50 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph becoming south southwest after midnight. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm. Cloudy through mid morning, then gradual clearing, with a high near 80. West southwest wind around 5 mph becoming north northwest in the afternoon. Chance of precipitation is 40%.

Friday Night

A slight chance of showers, then a chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 62. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

Saturday

A 30 percent chance of showers, mainly before noon. Mostly sunny, with a high near 77. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 59. Northeast wind around 5 mph.

Sunday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 77. East northeast wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

Monday

Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. High near 77. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

Monday Night

Mostly clear, with a low around 50. West wind around 5 mph becoming calm.

Tuesday

Sunny, with a high near 77.

Tuesday Night

Partly cloudy, with a low around 49.

Wednesday

Mostly sunny, with a high near 66.

Wednesday Night

Mostly clear, with a low around 42.

Thanksgiving Day

Sunny, with a high near 65.