San Antonio, TX — Extreme heat is expected to hit San Antonio on Tuesday, with temperatures soaring to 99°F and heat index values climbing to 103°F by mid-afternoon. The National Weather Service warns that light winds will provide little relief, making this the hottest day of the week with an elevated risk for heat-related illness.
Intense Heat and Heat Index Impact
Calm morning conditions will give way to an east wind around 5 mph in the afternoon, intensifying the oppressive heat. The heat will be particularly intense in urban areas like downtown San Antonio, along I-35, and in less-shaded neighborhoods. Residents and workers in these areas should take extra precautions, as outdoor workers, children, and the elderly are at the highest risk.
Safety Recommendations
Stay Indoors During Peak Heat: Limit outdoor activities during the hottest parts of the day, especially after late morning.
Stay Hydrated: Drink plenty of water throughout the day.
Avoid Strenuous Activity: Take frequent breaks if you must be outdoors.
Check on Vulnerable Populations: Elderly neighbors and those without air conditioning should be closely monitored.
Ongoing Heat Threat
The oppressive heat is expected to continue into Wednesday, with highs nearing 99°F and a slight chance of afternoon thunderstorms that may offer brief relief. Unfortunately, cooler conditions are not expected until later in the week.
Five Day San Antonio, TX Forecast:
Monday: Sunny, hot. High 98°F, low 77°F.
Tuesday: Hot, heat index up to 103°F. High 99°F, low 77°F.
Wednesday: Slight chance of thunderstorms in the afternoon. High 99°F, low 77°F.
Thursday: Hot, breezy at times. High 100°F, low 77°F.
Friday: Mostly sunny, slightly cooler. High 97°F, low 77°F.
Residents are urged to continue monitoring weather updates, as additional heat advisories may be issued later in the week. Stay safe in the extreme heat and take all necessary precautions.
