Austin/ Weather & Environment

Scorched in Austin: Heat Advisory Back as Index Nears 111

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Published on September 14, 2026
Scorched in Austin: Heat Advisory Back as Index Nears 111Source: Google Street View

Austin is heading into another punishing heat day Monday, with temperatures expected to reach 101 degrees and the heat index potentially climbing to 111. The morning starts partly cloudy and humid near 80 degrees, but the cooler conditions will not last long.

A Heat Advisory is in effect from noon to 7 p.m. for the I-35 corridor and Coastal Plains, including the Austin area, according to the National Weather Service. Officials warn that hot temperatures and high humidity could cause heat illnesses during the afternoon.

Heat Peaks Monday Afternoon

Mostly sunny skies will accompany the afternoon climb, with south winds generally between 0 and 10 mph and gusts reaching 20 mph. Forecast heat index values could reach 111 degrees.

Nighttime Relief Will Be Limited

Monday night will be mostly clear, but the low is expected to stall around 79 degrees.

Heat Beyond Monday Not Specified

The alert does not provide forecast values for Tuesday through Sunday.

The alert does not include a Thursday precipitation forecast or describe sky conditions for the rest of the week. Residents should drink plenty of fluids, stay in air-conditioned spaces when possible, avoid prolonged sun exposure and check on relatives and neighbors during the hottest part of the day.

Austin-Weather & Environment