Heavy Rain Triggers Widespread Road Closures
Severe weather across San Antonio has already forced 30+ road closures due to flooding, affecting major routes including I-35, I-10, Highway 90, and low-lying crossings near creeks. Authorities warn conditions may continue into the weekend, especially in North, Northeast, and West areas.
Officials continue to stress: “Turn around, don’t drown” as water levels remain unpredictable.
Weekend Construction Closures (Loop 1604 & I-10 Area)
Drivers should prepare for planned overnight shutdowns tied to the massive expansion project:
- Loop 1604 at I-10 interchange
- Closure times:
Friday–Sunday nights | 9:00 PM – 5:00 AM - Impact: Main lanes and ramps closed, detours required
Additionally:
- Blanco Rd & Loop 1604
Closed: Friday 9 PM → Saturday 3 PM
(Local traffic only, no through access) - La Cantera Parkway exit (WB 1604)
Now permanently closed — access rerouted
Active Incident Impact (As of Now)
- Loop 1604 near Somerset Rd partially shut down due to a jackknifed 18-wheeler with fuel leak
- Expect delays and emergency response presence
Suggested Detours & Alternate Routes (Community Guide)
If traveling Loop 1604 / I-10:
- Use access roads + UTSA Blvd turnaround
- Exit earlier and reconnect via frontage roads
- Consider Vance Jackson Rd to bypass La Cantera area
If flooding is present:
- Avoid creek crossings (Salado Creek, Cibolo Creek zones)
- Shift to higher-elevation highways when possible
- Delay travel during heavy rainfall hours
General Advice:
- Expect night congestion due to lane reductions
- Allow extra 20–40 minutes travel time
- Follow posted detour signage and police guidance
Community Reminder
With construction and severe weather overlapping, San Antonio drivers are facing a high-risk travel window this weekend. Officials recommend limiting non-essential travel, especially at night or during storms.

