National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

70°F

21°C

Humidity 93%
Wind Speed NE 6 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 28 Apr 11:56 am CDT
Extended Forecast for

Mountain City TX

  • This
    Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. High near 81. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers

    High: 81 °F

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 64. South wind 5 to 10 mph.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 64 °F

  • Monday

    Monday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind 5 to 10 mph becoming east southeast in the afternoon.

    Patchy Fog
    then Sunny

    High: 86 °F

  • Monday
    Night

    Monday Night: Increasing clouds, with a low around 66. South southeast wind 5 to 10 mph.

    Increasing
    Clouds

    Low: 66 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 70. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Mostly Cloudy

    Low: 70 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Mostly Cloudy
    then Chance
    T-storms

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. South southeast wind 15 to 20 mph, with gusts as high as 25 mph.

    Chance
    T-storms

    Low: 70 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 84. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Chance
    T-storms

    High: 84 °F

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. High near 81. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 64. South wind 5 to 10 mph.
Monday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind 5 to 10 mph becoming east southeast in the afternoon.
Monday Night
Increasing clouds, with a low around 66. South southeast wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 70. South southeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. South southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 84. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Mountain City TX
 30.02°N 97.89°W (Elev. 797 ft)
Last Update:
11:35 am CDT Apr 28, 2024
Forecast Valid:
12pm CDT Apr 28, 2024-6pm CDT May 4, 2024
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation