Flood threat shifts downstream as rain ends, heat returns next week

Residents urged to stay cautious as water levels stay high

Shelby Ebertowski, KSAT Weather Authority Meteorologist

Published: July 18, 2026 at 5:53 AM

FORECAST HIGHLIGHTS

THIS WEEKEND: Quieter & drier conditions take over
RIVER FLOODING: Major to moderate flooding still underway, high water moving downstream
AQUIFER/LAKE UPDATES: Aquifer and area lakes still rising

FORECAST

FLOODING CONCERNS REMAIN ALONG RIVERS

South Central Texas conditions are improving following historic rainfall, but major to moderate river flooding persists across the Nueces, Frio, San Antonio, Llano, and Rio Grande basins. Waterways will remain elevated through the weekend as floodwaters move downstream. Residents near rivers, creeks, and flood-prone areas should remain vigilant and avoid flooded roads.

Areas that could continue to experience high water include:

Eagle Pass – Rio Grande
Crystal City, Asherton and Cotulla – Nueces River
Derby, Fowlerton and Choke Canyon – Frio River
Stockdale, Falls City and Kenedy – Cibolo Creek and the San Antonio River

AQUIFER AND LAKE LEVELS

Water levels remain on the rise across the region. The Edwards Aquifer continues to recharge, while Medina Lake and Canyon Lake are expected to receive additional inflow from swollen rivers and tributaries over the coming days.

THIS WEEKEND

The heavy rain pattern is shifting northwest, giving way to a quieter forecast. Expect a mix of sun and clouds Saturday with mostly sunny skies Sunday. Highs will reach the mid-90s, with elevated humidity making it feel warmer.

EXTENDED FORECAST

Expect a hotter, drier pattern next week as high pressure builds. While no significant rain is forecast, lingering humidity will keep heat index values elevated. Prepare for a return to typical July heat.