San Antonio, Texas – Spring heat surges in San Antonio today, but by Friday evening, strong thunderstorms could drench roads and delay weekend plans.
According to the National Weather Service, Thursday’s high will soar to 92°F before a 40% chance of late-night thunderstorms moves in between 10 p.m. and 1 a.m. on Friday. The most active system arrives Friday and Friday night with a 70% chance of thunderstorms—especially during the afternoon and evening commute. Expect scattered downpours along I-35 and Loop 1604, with localized flooding possible in low-lying areas.
Temperatures cool slightly into the weekend. Saturday brings a lingering 30% chance of afternoon showers with highs near 79°F. Rain chances taper Saturday night but rise again Sunday afternoon with a similar mix of sun, clouds, and possible storms. Winds shift from the southeast to the northeast through the weekend, potentially reducing humidity and increasing stability by late Sunday.
Residents should keep devices charged, limit outdoor activities during lightning, and avoid driving through flooded roadways. Storms may be slow-moving and produce brief heavy rainfall. No severe storm warnings have been issued yet, but conditions will remain unstable through early next week.
🌦️ 5-Day Spring Forecast for San Antonio (May 2–6):
- Friday: 70% chance of thunderstorms. High 88°F.
- Saturday: 30% chance of storms. High 79°F.
- Sunday: 20% chance of afternoon storms. High 79°F.
- Monday: 40% chance of storms. High 79°F.
- Tuesday: 50% chance of storms. High 79°F.
