Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

San Angelo, Mathis Field (KSJT)

Lat: 31.35°NLon: 100.49°WElev: 1916ft.

Light Rain Fog/Mist

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 29.97 in (1013.5 mb)
Dewpoint 66°F (19°C)
Visibility 5.00 mi
Last update 20 Nov 11:51 am CST
Extended Forecast for

Mertzon TX

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 3pm, then a chance of showers.  High near 72. Southwest wind 10 to 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 9pm.  Partly cloudy, with a low around 48. South wind 5 to 10 mph becoming west after midnight.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 73. West wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. West wind around 5 mph becoming calm.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 70. North wind 5 to 10 mph becoming east in the afternoon.

    High: 70 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. East wind 5 to 10 mph.  New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 70. South wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely.  Mostly cloudy, with a low around 49. South wind 5 to 10 mph becoming west after midnight.  Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Monday

    Monday: A 20 percent chance of showers before noon.  Sunny, with a high near 72. West wind 10 to 15 mph.

    High: 72 °F

    Slight Chance
    Showers then
    Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 72. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 9pm. Partly cloudy, with a low around 48. South wind 5 to 10 mph becoming west after midnight.
Friday
Sunny, with a high near 73. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 42. West wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 70. North wind 5 to 10 mph becoming east in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. East wind 5 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely. Mostly cloudy, with a low around 49. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A 20 percent chance of showers before noon. Sunny, with a high near 72. West wind 10 to 15 mph.
Monday Night
Clear, with a low around 42. West wind around 5 mph.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Mertzon TX
 31.26°N 100.82°W (Elev. 2274 ft)
12:06 pm CST Nov 20, 2025
12pm CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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Additional Resources

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