San Antonio wakes to clear skies Friday, but the calm morning will give way to another punishing afternoon. High temperatures are expected to reach 102 degrees, with the heat index climbing as high as 109. A Heat Advisory remains in effect through Sunday evening as the city’s long hot stretch continues.
The National Weather Service says the advisory covers the I-35 Corridor and nearby areas, with temperatures reaching as high as 104 degrees and heat indexes potentially approaching 112. Friday night will stay mostly clear, with a low near 79 and little wind to provide relief.
Triple-Digit Heat Sticks Around
Saturday and Sunday are forecast to be even hotter, with highs near 103 and overnight lows around 79. Monday through Wednesday will remain sunny with highs near 102, while Thursday is expected to reach 101. In other words, San Antonio’s calendar may change, but the forecast is largely stuck on repeat.
Rain Chances Stay Minimal
Rain chances are near zero Friday and Sunday, with only a brief chance for an isolated storm across Central Texas late Saturday. Any storm that develops could produce strong outflow winds, but most of San Antonio should remain dry. Winds will generally stay light, although gusts could reach 20 to 25 mph overnight Monday.
Heat Safety Remains The Priority
The advisory warns that hot temperatures and humidity may cause heat-related illness. Residents should drink plenty of fluids, use air conditioning when possible, wear lightweight clothing and limit strenuous outdoor activity to early morning or evening. San Antonio’s heat plan also encourages checking on older adults, children, people with medical conditions and neighbors who may need relief from the heat.
This latest forecast extends the triple-digit pattern Hoodline has been tracking across San Antonio. For anyone working or exercising outside, heat exhaustion symptoms should be taken seriously, and suspected heat stroke is an emergency requiring a call to 911.
