Areas of Excessive Rainfall, Severe Thunderstorms, and Extreme Heat

Heavy to excessive rainfall is expected through tonight across portions of the central Plains. Areas of intense rainfall amounts could support increasing flooding concerns. Scattered severe thunderstorms are possible across parts of the central/southern Plains today and tonight, with large hail and damaging winds the main threats. Areas of extreme heat will impact parts of the West this week. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

80°F

27°C

Humidity 79%
Wind Speed S 5 mph
Barometer 30.00 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 11 Aug 1:56 am CDT
Extended Forecast for

Mountain City TX

  • Overnight

    Overnight: Mostly clear, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. East southeast wind around 5 mph becoming calm  after midnight.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. East wind around 5 mph becoming south southwest after midnight.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm.  Partly cloudy, with a low around 74. South wind around 5 mph.  Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 72. South wind around 5 mph becoming calm.
Monday
Sunny, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 73. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. East wind around 5 mph becoming south southwest after midnight.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 97. South wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 97.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain City TX
 30.04°N 97.92°W (Elev. 797 ft)
1:52 am CDT Aug 11, 2025
2am CDT Aug 11, 2025-6pm CDT Aug 17, 2025
 
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Additional Resources

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