
Dangerous Heat over the South-Central and Southwest U.S. Through Next Week
Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >
Current conditions at
San Angelo, Mathis Field (KSJT)
Lat: 31.35°NLon: 100.49°WElev: 1916ft.
Fair
100°F
38°C
| Humidity | 22% |
| Wind Speed | E 6 mph |
| Barometer | 30.00 in (1012.9 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 98°F (37°C) |
| Last update | 21 Aug 5:51 pm CDT |
Extended Forecast for
21 Miles NW Mertzon TX
Tonight

Low: 74 °F
Clear
Saturday

High: 102 °F
Hot
Saturday Night

Low: 76 °F
Mostly Clear
Sunday

High: 102 °F
Hot
Sunday Night

Low: 76 °F
Clear
Monday

High: 102 °F
Hot
Monday Night

Low: 74 °F
Clear
Tuesday

High: 103 °F
Hot
Tuesday Night

Low: 75 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 74. Southeast wind around 5 mph becoming southwest after midnight.
Saturday
Sunny and hot, with a high near 102. Southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 76. South southwest wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 76. South southwest wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 102. South southwest wind around 10 mph.
Monday Night
Clear, with a low around 74. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 103. South wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 100.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
21 Miles NW Mertzon TX
31.45°N 101.09°W (Elev. 2323 ft)
31.45°N 101.09°W (Elev. 2323 ft)
3:22 pm CDT Aug 21, 2026
6pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026


