Sarah Spivey, KSAT Weather Authority Meteorologist
The latest 7 day forecast from Your Weather Authority (Copyright 2025 by KSAT - All rights reserved.)
FORECAST HIGHLIGHTS
100’S LIKELY: Near 100° heat Tuesday & Wednesday
DRY HEAT: Low humidity in the afternoons through Thursday
RETURN OF RAIN: 30% chance Friday, Saturday, and Sunday
FORECAST
HEAT HIGH
We’ll be near 100° tomorrow and Wednesday with the “heat high” overhead. The good news? Humidity will be low in the afternoons when it’s hottest. Humidity returns Friday with a chance for rain.
Expect low humidity Tuesday through Thursday, but it'll be muggy again by Friday through the weekend (Copyright 2025 by KSAT - All rights reserved.)
NEXT RAIN CHANCE
The heat high starts to break down on Thursday. Additionally, we’ll see deeper moisture and some disturbances rolling through Friday through Sunday. While we don’t expect widespread rainfall, a return of spotty downpours are possible.
The latest 7 day forecast from Your Weather Authority (Copyright 2025 by KSAT - All rights reserved.)
Daily Forecast
KSAT meteorologists keep you on top of the ever-changing South Texas weather.
Justin Horne is a meteorologist and reporter for KSAT 12 News. When severe weather rolls through, Justin will hop in the KSAT 12 Storm Chaser to safely bring you the latest weather conditions from across South Texas. On top of delivering an accurate forecast, Justin often reports on one of his favorite topics: Texas history.
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.