Critical Fire Weather in the West; Monitoring Tropical Storm Erin

Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin, interior Northwest, and Rockies Thursday. Red Flag Warnings have been issued. While there is still uncertainty in what impacts might occur to the U.S. east coast next week, the risk of dangerous surf and rip currents across the western Atlantic basin is increasing. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

79°F

26°C

Humidity	90%
Wind Speed	E 3 mph
Barometer	29.92 in (1012.5 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	13 Aug 8:56 pm CDT

More Information:

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

Extended Forecast for

5 Miles SSE Niederwald TX

Tonight
Low: 75 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 99 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 76 °F
Partly Cloudy
Friday
High: 99 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 76 °F
Partly Cloudy
Saturday
High: 97 °F
Slight Chance
Showers then
Chance
T-storms
Saturday Night
Low: 74 °F
Partly Cloudy
Sunday
High: 99 °F
Hot
Sunday Night
Low: 75 °F
Mostly Clear

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 75. South wind around 5 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 106. South wind 5 to 10 mph.

Thursday Night

Partly cloudy, with a low around 76. South wind 5 to 10 mph.

Friday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 106. South wind 5 to 15 mph, with gusts as high as 20 mph.

Friday Night

Partly cloudy, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Saturday Night

Partly cloudy, with a low around 74. South wind 5 to 10 mph.

Sunday

Mostly sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.

Sunday Night

Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.

Monday Night

Partly cloudy, with a low around 76.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.