Parts of central and south Texas are in the crosshairs of a dangerous flood threat, as areas from south Austin to Brownsville brace for rounds of heavy rain starting Saturday afternoon, with the greatest flood threat expected Sunday. This is the latest example of an El Niño storm moving into the south of the country.
TAKEAWAYS
- Heavy rain is expected to hit parts of west, central and south Texas starting Saturday.
- The risk of flash flooding increases and moves south Sunday, with a broad Level 2 threat covering parts of the Hill Country and South Texas, including San Antonio.
- This is the latest example of an El Niño storm moving into the south of the country.
SAN ANTONIO — Parts of central and south Texas are in the crosshairs of a dangerous flood threat, as areas from south Austin to Brownsville brace for rounds of heavy rain starting Saturday afternoon, with the greatest flood threat expected Sunday. This is the latest example of an El Niño storm moving into the south of the country.
HOW SUPER EL NIÑO BREWERY WILL BENEFIT VARIOUS REGIONS ACROSS THE COUNTRY
(FOX Weather)
During the fall and winter of El Niño, the Pacific jet stream tends to become more extensive and active, acting like a conveyor belt that directs storms farther across the southern part of the ocean. WE.
This trend has already started to show, with storms causing widespread flooding in parts of the Southwest over the past two weekends.
PHOTOS: POWERFUL CROSS-COUNTRY STORM LEAVES FEEL OF DEADLY DESTRUCTION AFTER WEEK OF HISTORIC FLOODING
This weekend, the jet stream is positioned directly over South Texas, ushering in warm moisture from the Pacific that will combine with moisture coming from the Gulf.
A slow-moving storm system will exploit this moisture, producing rounds of heavy rain through the weekend.
(FOX Weather)
“As there is very little atmospheric instability, precipitation rates are expected to remain low, resulting in heavy, steady rain rather than sudden, torrential downpours,” the FOX Forecast Center said.
THE POLAR VORTEX HAS BEEN DISRUPTED IN A CALENDAR YEAR — WHAT HAPPENS NEXT?
A Level 1 of 4 flash flood risk covers parts of West Texas, the Texas Hill Country, as well as a corridor from Laredo to Brownsville, Saturday.
(FOX Weather)
The risk of flash flooding increases and moves south Sunday, with a broad Level 2 threat covering parts of the Hill Country and South Texas, including San Antonio. The most persistent and heaviest rain is expected from Sunday afternoon through Sunday evening.
Widespread precipitation totals of up to 2 inches, with localized amounts of up to 4 inches, are expected from the Hill Country to the Gulf Coast through Tuesday, as rain persists over the region through early next week.
REMEMBERING TEXAS HILL COUNTRY: 1 YEAR SINCE THE SHARP FLOOD DISASTER, WHICH CAUSED 135 KILLED ON JULY 4
CENTER POINT, TEXAS – JULY 18: A 10-foot cross is seen along the banks of the Guadalupe River in front of Camp Mystic on July 18, 2025 in Hunt, Texas.
(Brenda Bazan/The Washington Post/Getty Images)
Texas Hill Country, in particular, has been vulnerable to floods, including those on July 4, 2025, which killed 135 people when the Guadalupe River reached record heights.
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