Rainfall will be hard to come by over the next week, as high pressure keeps us hot and dry. (Copyright KSAT-12 2026 - All Rights Reserved)
FORECAST HIGHLIGHTS
VIRTUALLY NO RAIN, NEAR 100°: Only a 10% shot at a shower Friday/Saturday
SAHARAN DUST?: Hazy skies Thursday, again on Saturday
PERSEIDS: Peak on Wednesday into early Thursday
FORECAST
TEMPS CLIMB TO NEAR 100°
We’ll be on the cusp of triple digits today, with plenty of sunshine and no threat of rain. During the peak heating hours of 3-7pm, heat index values will jump over 100° and could rise as high as 104°.
Extended Forecast (Copyright KSAT-12 2026 - All Rights Reserved)
SAHARAN DUST
A plume of Saharan dust arrives to South Texas Thursday. While the plume shouldn’t be too thick, you’ll notice skies may not be as blue. Another plume is forecast to arrive this weekend.
A plume of Saharan dust will affect the area Thursday and again this weekend. (Copyright KSAT-12 2026 - All Rights Reserved)
THE PERSEIDS ARE HERE!
The Perseid meteor shower, an annual event, will peak Wednesday night into Thursday. The new moon will help with seeing the meteors, however, you’ll have to get away from city lights and we’ll have to keep an eye on clouds. Low clouds may try to roll in by early Thursday morning.
How to see the Perseids (Copyright KSAT-12 2026 - 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.