Heavy Rainfall Across Parts of the Southeast; Critical Fire Weather Conditions Persist in the West

Heavy rainfall and localized flash flooding will persist across portions of the Southeast. Meanwhile, critical fire weather conditions continue over the Rockies and into Utah and northern Arizona. The Pacific Northwest will see another round of rainfall and gusty winds before the weather gradually improves on Saturday. Above normal temperatures are expected over much of the Plains and Midwest. Read More >

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Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

58°F

14°C

Humidity	100%
Wind Speed	NW 3 mph
Barometer	30.01 in (1015.7 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	25 Sep 7:56 am CDT

More Information:

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

Extended Forecast for

San Marcos TX

Today

Patchy Fog
then Sunny
High: 87 °F
Tonight

Mostly Clear
Low: 66 °F
Saturday

Becoming
Sunny
High: 88 °F
Saturday
Night

Mostly Clear
Low: 69 °F
Sunday

Sunny
High: 91 °F
Sunday
Night

Mostly Clear
Low: 69 °F
Monday

Slight Chance
T-storms and
Breezy
High: 80 °F
Monday
Night

Mostly Clear
Low: 57 °F
Tuesday

Sunny
High: 80 °F

Detailed Forecast

Today

Patchy fog before 10am. Otherwise, sunny, with a high near 87. Southwest wind around 5 mph becoming south southeast in the afternoon.

Tonight

Mostly clear, with a low around 66. Southeast wind 5 to 10 mph.

Saturday

Partly sunny, then gradually becoming sunny, with a high near 88. South wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 69. South southeast wind around 5 mph.

Sunday

Sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 69. South wind 5 to 10 mph, with gusts as high as 20 mph.

Monday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 80. Breezy, with a north wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

Monday Night

Mostly clear, with a low around 57. North wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

Tuesday

Sunny, with a high near 80. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 57.

Wednesday

Sunny, with a high near 86.

Wednesday Night

Mostly clear, with a low around 60.

Thursday

Sunny, with a high near 83.