Turning Up the heat: Triple-digit highs return by midweek
Weekend planner (Copyright KSAT-12 2026 – All Rights Reserved)FORECAST HIGHLIGHTS
WEEKEND: Sunny, hot, and dry with highs in the mid to upper 90s
NEXT WEEK: Mostly sunny, rain-free, and back near 100°
HEAT INDEX: Feels like 100°–106° during the afternoons
NUECES & FRIO RIVERS: Flooding continues near Cotulla, Tilden & downstream along the Nueces River
FORECAST
THIS WEEKEND
Expect a hot, dry weekend across South-Central Texas. High pressure will bring sunny skies and highs climbing into the mid and upper 90s. Heat index values will reach 107+°, so stay hydrated outdoors.
Sunday forecast (Copyright 2026 by KSAT – All rights reserved.)
BACK TO TRIPLE DIGITS
Expect a return to typical late July heat next week as a high pressure system strengthens. Afternoon highs will reach or exceed 100° by mid week. While heat index values will remain high, conditions currently track just below advisory levels. Expect sunny, dry weather through at least Friday.
Extended Outlook (Copyright 2026 by KSAT – All rights reserved.)
RIVER FLOODING
Flooding continues along the Nueces and Frio Rivers as runoff moves toward Choke Canyon and Lake Corpus Christi.
The Nueces River at Asherton is receding but remains in minor flood stage.
Major flooding from the Nueces River continues in Cotulla through the start of next week.
The Frio River in Tilden is declining into the action stage, while the Nueces River near Tilden is expected to reach the Major flooding stage on Sunday.
Please continue monitoring river heights and forecasts.
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Copyright 2026 by KSAT – All rights reserved.
About the AuthorsShelby Ebertowski headshotShelby Ebertowski
Shelby Ebertowski joined KSAT 12 News in January 2025. She came to San Antonio from Fargo, North Dakota via the University of North Dakota, where she learned the ropes as a weekend forecaster over two years at KVLY. Her love of weather love began after experiencing Hurricane Harvey in 2017.
Leah Rodriguez headshotLeah Rodriguez
Leah Rodriguez joined the Weather Authority Team in 2026 after watching KSAT 12 while growing up in Pearsall. She graduated with a Bachelor’s Degree in Meteorology from Texas A&M University and worked in Lubbock for two years.
When she’s not watching the radar, Leah enjoys spending time with her family and her dog Luby.