Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

San Angelo, Mathis Field (KSJT)

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

Fair

90°F

32°C

Humidity 28%
Wind Speed S 9 mph
Barometer 29.99 in (1012.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 25 Aug 9:51 pm CDT
Extended Forecast for

Mertzon TX

  • Tonight

    Tonight: Clear, with a low around 74. South southwest wind 5 to 10 mph.

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am, then a slight chance of showers after 4am.  Mostly clear, with a low around 73. South southeast wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm.  Increasing clouds, with a high near 97. Calm wind becoming east northeast around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 7pm.  Partly cloudy, with a low around 70. East northeast wind 5 to 10 mph becoming light  in the evening.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 97. Light northeast wind becoming east 5 to 10 mph in the afternoon.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. East wind 5 to 10 mph becoming south after midnight.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 72. South wind around 10 mph.

    Low: 72 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 74. South southwest wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Wednesday Night
A slight chance of showers before 1am, then a slight chance of showers after 4am. Mostly clear, with a low around 73. South southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 97. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 70. East northeast wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 30%.
Friday
Sunny, with a high near 97. Light northeast wind becoming east 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. East wind 5 to 10 mph becoming south after midnight.
Saturday
Sunny and hot, with a high near 98. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 72. South wind around 10 mph.
Sunday
Sunny and hot, with a high near 98. South wind 10 to 15 mph.
Sunday Night
Clear, with a low around 71.
Monday
Sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Mertzon TX
 31.26°N 100.82°W (Elev. 2274 ft)
3:16 pm CDT Aug 25, 2026
10pm CDT Aug 25, 2026-6pm CDT Sep 1, 2026
 
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