Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

77°F

25°C

Humidity	94%
Wind Speed	S 5 mph
Barometer	29.96 in (1013.7 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	30 Aug 6:56 am CDT

More Information:

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

Extended Forecast for

Mountain City TX

Today
High: 98 °F
Partly Sunny
then Chance
T-storms
Tonight
Low: 74 °F
Chance
T-storms then
Slight Chance
Showers
Sunday
High: 92 °F
Chance
Showers then
Showers
Likely
Sunday Night
Low: 71 °F
Chance
T-storms then
Showers
Likely
Labor Day
High: 88 °F
Showers
Likely
Monday Night
Low: 69 °F
Partly Cloudy
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 98. Heat index values as high as 104. South southwest wind around 5 mph.

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming south after midnight. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Labor Day

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. North wind around 5 mph. Chance of precipitation is 60%.

Monday Night

Partly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 93. North wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 66. North northeast wind around 5 mph.

Wednesday

Sunny, with a high near 92. North wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 65.

Thursday

Mostly sunny, with a high near 92.