Hot Weather in the West; Heavy Rainfall and Flooding in the Southwest

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S, with the Pacific Northwest carrying the potential for record-breaking high temperatures. Monsoonal moisture over the Southwest U.S. may lead to heavy rainfall and instances of flash flooding through Wednesday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

73°F

23°C

Humidity	87%
Wind Speed	N 3 mph
Barometer	30.01 in (1015.6 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	2 Sep 6:56 am CDT

More Information:

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

Extended Forecast for

San Marcos TX

Today
High: 94 °F
Sunny
Tonight
Low: 72 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny
Wednesday Night
Low: 69 °F
Mostly Clear
Thursday
High: 100 °F
Hot
Thursday Night
Low: 72 °F
Partly Cloudy
Friday
High: 98 °F
Partly Sunny
Friday Night
Low: 73 °F
Mostly Cloudy
Saturday
High: 94 °F
Mostly Cloudy
then Slight
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 94. North northeast wind 5 to 10 mph.

Tonight

Mostly clear, with a low around 72. North northeast wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 97. North wind around 5 mph.

Wednesday Night

Mostly clear, with a low around 69. North northeast wind around 5 mph becoming calm in the evening.

Thursday

Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph.

Thursday Night

Partly cloudy, with a low around 72. South southwest wind around 5 mph.

Friday

Partly sunny, with a high near 98. South southwest wind around 5 mph.

Friday Night

Mostly cloudy, with a low around 73. Southeast wind around 5 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 20%.

Sunday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

Monday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.