Extended Forecast (Copyright KSAT-12 2026 - All Rights Reserved)
FORECAST HIGHLIGHTS
THIS WEEK: Hot & humid weather continues, with an isolated storm potential each day
WILD CARD: 20% storm chance from 3 pm to 8 pm
SEVERE POTENTIAL: *IF* a rogue storm develops, it would likely produce hail
COLD FRONT FRIDAY: Temp drop by end of the week, higher rain chances Friday
FORECAST
THIS WEEK
If you are headed to the next Spurs game on Tuesday, expect similar weather day-to-day with cloudy mornings and hot, sunnier afternoons. We’ll carry a small chance (20%) for a severe storm each afternoon from 3 pm to 8 pm.
It will be warm before heading into Game 5 for the Spurs (Copyright KSAT-12 2026 - All Rights Reserved)
A “cap” on the atmosphere should limit storm development. The “cap” acts as a weak lid on the atmosphere. If the “cap” breaks, then a storm producing large hail is likely. The chance of the “cap” breaking from 3 pm to 8 pm is about 20%.
THURSDAY & FRIDAY
A slow-moving cool front will push through South Central Texas. This will drop temps into the 80s with higher rain chances (30%-40%).
A slow-moving cool front will push through South Central Texas bringing rain chances (Copyright KSAT-12 2026 - All Rights Reserved)
WEEKEND
Much cooler! Mornings will be in the 50s with highs only in the 60s & 70s.
Extended Forecast (Copyright KSAT-12 2026 - All Rights Reserved)
Daily Forecast
KSAT meteorologists keep you on top of the ever-changing South Texas weather.
Sarah Spivey is a San Antonio native who grew up watching KSAT. She has been a proud member of the KSAT Weather Authority Team since 2017.
Sarah is a Clark High School and Texas A&M University graduate. She previously worked at KTEN News.
When Sarah is not busy forecasting, she enjoys hanging out with her husband and cat, and playing music.
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.