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Heat index as high as 105° to 115° this week in San Antonio, Texas Hill Country

Feeling much hotter than average to start June

Heat index values for the next five days (Copyright KSAT 2024-all rights reserved)

The month of June has begun, and it’s taking some notes from May when it comes to the higher-than-average temperatures.

While temperatures in the 90s may be what you are used to seeing for the first week of June, don’t be alarmed when you see the triple digits several times this week.

Here’s what you need to know:

KEY POINTS:

  • Actual high temperatures approaching or hitting 100° for the entirety of the work week
  • Every day this week, heat index values will range from 105° to 115°
  • Small 20% chance for storms Wednesday

FORECAST DETAILS:

So Hot for the squirrels this is called “spooling”. A way the squirrels cool off
SGrif

So Hot for the squirrels this is called “spooling”. A way the squirrels cool off

La Vernia

A high-pressure system over Mexico will move over Texas in the following days, impacting San Antonio.

While the average high temperature for early-June is 91°, the high pressure system will increase highs to the upper 90s and into the 100s. It’s humid, so the heat index values increase as well, peaking to near 115° on Wednesday.

The same system that makes it really hot will prevent widespread rain. However, there is about a 20% chance for rain Wednesday morning that spawns from storms in North East Texas. The lack of widespread rain will continue to exacerbate current drought conditions throughout San Antonio.

So what does this mean for you as you go through your week?

As you are out and about during the late afternoon hours, ensure you have thought about measures to stay cool. Drink plenty of water, as this heat will dehydrate you quicker than normal.

Another idea to lessen the effect of the heat is to use an umbrella to shade from the sun. Additionally, San Antonio has several locations open to the public as cooling centers. These include libraries, senior centers, and community centers around town.

The first week of June is giving us a little taste of what is to come, so as we gear up for the summer, it is important to stay proactive about the heat.


About the Authors
Hope Boland headshot

Hope Boland is a KSAT Weather intern. She studies meteorology at Texas A&M University. She was born and raised in North Carolina. When not in school or at KSAT, Hope enjoys traveling and exploring nature. Hope is artistically inclined and enjoys dancing, listening to music, and watching local theatre. Catch her dancing to country music daily.

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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