San Antonio, Texas – Rain and possible thunderstorms could impact San Antonio by Friday afternoon, threatening commutes and outdoor plans heading into the weekend.
According to the National Weather Service, scattered showers and thunderstorms may begin as early as 1 p.m. on Friday, August 1, with stronger activity expected after 4 p.m. The high will reach near 105°F, pushing heat index values even higher. Roads like I-35 and Loop 410 could see reduced visibility during sudden downpours. Winds will remain light, but isolated lightning strikes are possible.
Motorists should use extra caution during the evening rush. If thunder roars, go indoors — lightning can strike even outside of rain. Stay hydrated, limit time outside during peak heat, and consider rescheduling outdoor plans.
Saturday brings a slight chance of lingering showers and storms early in the day, but skies should clear by afternoon with a high of 100°F. Sunday looks hot and dry with a return to mostly sunny skies and triple-digit heat continuing into early next week.
⚠️ Warnings remain in place for extreme heat throughout the weekend. Heat illness risk remains high — check on neighbors, hydrate frequently, and avoid strenuous activity outdoors.
🗓️ Five-Day Forecast: San Antonio, TX (Friday, August 1 – Wednesday, August 6)
- Friday: High 105°F | Showers and storms possible after 4 p.m.
- Saturday: High 100°F | Slight chance of early showers; clearing later
- Sunday: High 101°F | Hot and mostly sunny
- Monday: High 99°F | Sunny, slight breeze
- Tuesday: High 98°F | Mostly sunny with dry skies expected
- Wednesday: High 96°F | Mild heat relief, mostly sunny
