Heat advisories cover much of Texas Aug. 22, with some running through Aug. 23

National Weather Service offices issued heat advisories across large portions of Texas on August 22, 2026 [1][2][3][4][5]. NWS Houston/Galveston's advisory, issued at 6:32 a.m. CDT, runs until 7 p.m. CDT Sunday, August 23, for counties including Harris, Montgomery, Fort Bend, Galveston and Brazoria, with peak heat index values of 106 to 112 [1].

Sources

1. api.weather.gov · Heat Advisory issued August 22 at 6:32AM CDT until August 23 at 7:00PM CDT by NWS Houston/Galveston TX Aug 22, 2026
2. api.weather.gov · Heat Advisory issued August 22 at 10:24AM CDT until August 22 at 7:00PM CDT by NWS Corpus Christi TX Aug 22, 2026
3. api.weather.gov · Heat Advisory issued August 22 at 7:42AM CDT until August 22 at 8:00PM CDT by NWS Lubbock TX Aug 22, 2026
4. api.weather.gov · Heat Advisory issued August 22 at 4:48AM CDT until August 23 at 7:00PM CDT by NWS Austin/San Antonio TX Aug 22, 2026
5. api.weather.gov · Heat Advisory issued August 22 at 3:37AM CDT until August 22 at 7:00PM CDT by NWS San Angelo TX Aug 22, 2026
6. api.weather.gov · Heat Advisory issued August 22 at 3:03AM CDT until August 22 at 9:00PM CDT by NWS Amarillo TX Aug 22, 2026
7. api.weather.gov · Heat Advisory issued August 22 at 2:43AM CDT until August 23 at 7:00PM CDT by NWS Midland/Odessa TX Aug 22, 2026
8. api.weather.gov · Heat Advisory issued August 22 at 12:32AM CDT until August 22 at 8:00PM CDT by NWS Shreveport LA Aug 22, 2026
9. api.weather.gov · Heat Advisory issued August 22 at 12:16AM CDT until August 22 at 7:00PM CDT by NWS Norman OK Aug 22, 2026
10. api.weather.gov · Heat Advisory issued August 21 at 11:46PM CDT until August 22 at 8:00PM CDT by NWS Lake Charles LA Aug 22, 2026

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