Storm chances increase Tuesday evening in San Antonio, severe weather possible

Gusty winds will be biggest threat, along with some pockets of heavy rainfall

Rain chances Tuesday afternoon and night. (KSAT 2024)

After a record-setting Memorial Day weekend (heat index values soared above 110°), some relief is in the forecast.

Storms are expected to gather to our northwest and move in the direction of South Texas this evening and tonight. While it’s not a “slam dunk” forecast, the odds of seeing rain are better than we’ve seen in a while.

  • Tuesday will still bring hot and humid weather, with heat index values of 102-105°
  • By Tuesday evening, storms will be fairly widespread to our north and northwest
  • As the storms come together and move south/southeast, rain chances begin to increase in San Antonio after dinnertime
  • Clusters of storms may arrive with severe weather, with the biggest threat being strong, gusty winds
  • Pockets of heavy rainfall will also be possible
Severe weather threats Tuesday evening. (KSAT 2024)

TUESDAY EVENING’S RAIN CHANCES

Our rain chances will be dependent on what takes shape to our west and northwest. Storms are forecast to develop across West Texas and cluster together, while pushing east and southeast. With this kind of weather, the main severe threat is often gusty winds. Pockets of heavy rain will also develop. Isolated hail, with the stronger storms, could be an issue, too. With all that being said, not everyone will get rainfall.

Storms will develop to our west and northwest, moving in our direction this evening. (KSAT 2024)

AIR QUALITY

Air quality has been an issue of late, with San Antonio seeing “unhealthy air for those who are sensitive,” meaning asthma sufferers and those with respiratory issues may be affected. Smoke from Central America and Mexico has been the largest contributor to the hazy conditions. Thankfully, should we see rainfall, air quality would also improve.


About the Author

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.

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