Heavy Rainfall Continues Over Parts of the Southeast; Critical Fire Weather Conditions in the West

Locally heavy rainfall and the risk of strong to severe thunderstorms will continue over parts of the Southeast into Friday. Meanwhile, gusty winds and low humidity will result in critical fire weather conditions for portions of the Northern Rockies, High Plains, and Great Basin. A series of low pressure systems will advance into the Pacific Northwest and bring unsettled weather into the weekend. 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	97%
Wind Speed	NW 3 mph
Barometer	29.96 in (1013.7 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	25 Sep 3:56 am CDT

More Information:

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

Extended Forecast for

5 Miles SW San Marcos TX

Today

Becoming
Sunny
High: 87 °F
Tonight

Mostly Clear
Low: 65 °F
Saturday

Decreasing
Clouds
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: 56 °F
Tuesday

Sunny
High: 79 °F

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the morning.

Tonight

Mostly clear, with a low around 65. Southeast wind around 5 mph.

Saturday

Mostly cloudy, 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 25 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 10 to 15 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 56. 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 79. 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 85.

Wednesday Night

Mostly clear, with a low around 59.

Thursday

Sunny, with a high near 83.