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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

San Angelo, Mathis Field (KSJT)

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

Fair

72°F

22°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 30.07 in (1015.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 28 Aug 2:51 am CDT
Extended Forecast for

3 Miles NE Mertzon TX

  • Overnight

    Overnight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Friday

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

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. East southeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: 70 °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: Mostly clear, with a low around 71. South wind 5 to 10 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. South wind around 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. South wind around 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 71. Calm wind.
Friday
Sunny, with a high near 97. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 70. East southeast wind 5 to 10 mph becoming south southwest after midnight.
Saturday
Sunny and hot, with a high near 98. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 71. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 99. South wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 71. South wind around 10 mph.
Monday
Sunny and hot, with a high near 98. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 70. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 98. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Clear, with a low around 71.
Thursday
Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Mertzon TX
 31.3°N 100.79°W (Elev. 2178 ft)
Last Update:
1:26 am CDT Aug 28, 2026
Forecast Valid:
3am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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