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

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

86°F

30°C

Humidity 63%
Wind Speed SE 9 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 14 Jul 6:56 pm CDT
Extended Forecast for

Mountain City TX

Flood Watch July 14, 07:48pm until July 15, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 14, 07:48pm until July 15, 07:00am

    NOW until 7:00am Tue

    Flood Watch

  • Tonight

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Decreasing
    Clouds

  • Tuesday Night

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

    Low: 74 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 95. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

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

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

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

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. 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 102. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 95. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 72. 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 5 to 10 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.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain City TX
 30.02°N 97.89°W (Elev. 797 ft)
6:45 pm CDT Jul 14, 2025
7pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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