Extreme Heat Warning Issued for Central Texas Counties
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NWS Austin/San Antonio TX has issued an Extreme Heat Warning for 10 counties until 7 PM CDT Sunday with temperatures up to 107°F and heat index up to 110°F.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Central Texas
- Issued
- August 23, 2026
- Issuing authority
- NWS Austin/San Antonio TX
Heat notices are time-bound and location-specific. Confirm the current forecast and local public-health guidance before relying on this archived record.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Extreme Heat Warning issued by NWS Austin/San Antonio TX. Effective from August 22 at 11:06 PM CDT until August 23 at 7:00 PM CDT.
Affected Areas
Bastrop, Burnet, Caldwell, Fayette, Gonzales, Lavaca, Lee, Llano, Travis, and Williamson Counties.
What You Should Do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 911.
Expected Conditions
Dangerously hot conditions with temperatures up to 107 and heat index values up to 110 are expected Sunday afternoon.
Timeline
The Extreme Heat Warning is in effect until 7 PM CDT Sunday.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,120 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
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