Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Flood Watch until July 15, 01:00 PM CDT

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

78°F

26°C

Humidity	100%
Wind Speed	S 5 mph
Barometer	30.07 in (1017.4 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	15 Jul 1:56 am CDT

More Information:

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

Extended Forecast for

Mountain City TX

Flood Watch July 15, 02:27am until July 15, 01:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch July 15, 02:27am until July 15, 01:00pm
NOW until 1:00pm Tue
Flood Watch
Overnight
Low: 74 °F
Slight Chance
Showers
Tuesday
High: 94 °F
Decreasing
Clouds
Tuesday Night
Low: 74 °F
Increasing
Clouds
Wednesday
High: 96 °F
Decreasing
Clouds
Wednesday Night
Low: 71 °F
Partly Cloudy
Thursday
High: 94 °F
Mostly Sunny
Thursday Night
Low: 72 °F
Partly Cloudy
Friday
High: 93 °F
Mostly Sunny

Detailed Forecast

Overnight

A 20 percent chance of showers. Mostly cloudy, with a low around 74. South wind around 5 mph.

Tuesday

Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 101. South wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Increasing clouds, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 71. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

Mostly sunny, with a high near 94. South wind 5 to 10 mph.

Thursday Night

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

Friday

Mostly sunny, with a high near 93. South southwest wind around 5 mph.

Friday Night

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

Saturday

Mostly sunny, with a high near 95.