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South Texas will be one of the hottest places on Earth this week

Temperatures are forecast to soar to near 105°

Triple digit, record heat through Friday. (Copyright 2024 by KSAT - All rights reserved.)

FORECAST HIGHLIGHTS

  • RECORD-SETTING HEAT: 100°+ likely Tuesday through Friday

FORECAST

By now, you’ve probably heard the news. South Texas is about to get blasted by some unusual May heat. In fact, we’ll likely be setting multiple records, from daily record highs to potentially some of the hottest May temperatures all-time. Here’s an update.

RECORD HEAT WAVE

Starting Tuesday, temperatures will skyrocket into the 100s. Mostly sunny skies and a southwest wind will help us get there. While it’ll generally be a ‘dry heat’, some humidity does try to make a return by midweek.

Triple digit, record heat through Friday. (Copyright 2024 by KSAT - All rights reserved.)

Wednesday is likely our hottest day, with temperatures poised to reach near 105°. This could make San Antonio one of the hottest places not only in the country, but the world. Sure, parts of the Sahara desert could exceed what we see here, but when you’re talking major population centers, San Antonio will be near the top of the list.

South Texas will be hotter than most of the glob on Wednesday. (Copyright 2025 by KSAT - All rights reserved.)

Heat continues Thursday and to Friday, subsiding only slightly. We’ll be near 100° even heading into the weekend.

WHAT DOES THIS MEAN FOR SUMMER?!

The good news here is that a May heat wave doesn’t always correlate to a ridiculously hot summer. We’ve seen hot Mays before and no-so-hot summers. With that said, should the forecast remain dry, drought conditions often help to boost temperatures. We need more rain!

Triple digit heat breaking records this week in San Antonio. (Copyright 2024 by KSAT - All rights reserved.)

QUICK WEATHER LINKS


About the Authors
Justin Horne headshot

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 headshot

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.

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