🌡️
Heat Advisory
◍ Houston · USA · updated 8/26/2026, 7:23:00 AM
⏱ In effect until 12:30 PM UTC-5
Severity score
65/100
Confidence
High
Why this matters
* WHAT...Heat index values 107 to 112. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Hotter conditions are expected on Wednesday with afternoon temperatures generally in the triple digits and peak heat indices in the 107 to 112 F range.
Key stats
Severity
Moderate
Certainty
Likely
Urgency
Expected
Timeline
- Heat Advisory8/26/2026, 7:23:00 AMHeat Advisory issued August 26 at 2:23AM CDT until August 26 at 7:00PM CDT by NWS Houston/Galveston TX
Sources & attribution
OfficialNWS NWS Houston/Galveston TXupdated 8/26/2026, 7:23:00 AM
OfficialNWS NWS Shreveport LAupdated 8/26/2026, 5:00:00 AM
OfficialNWS NWS San Juan PRupdated 8/26/2026, 4:56:00 AM
OfficialNWS NWS San Juan PRupdated 8/26/2026, 4:56:00 AM
OfficialNWS NWS El Paso Tx/Santa Teresa NMupdated 8/26/2026, 3:37:00 AM
OfficialNWS NWS Lake Charles LAupdated 8/26/2026, 3:17:00 AM
OfficialNWS NWS Corpus Christi TXupdated 8/26/2026, 2:20:00 AM
⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.