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A toasty weekend and an update on next week’s rain chances

Questions linger on what may unfold next week

Extended Forecast (Copyright KSAT-12 2026 - All Rights Reserved)

FORECAST HIGHLIGHTS

  • HOT & DRY TODAY: Mostly sunny, with highs in the upper-90s
  • SMALL RAIN CHANCE SUNDAY: A few storms possible late in the day
  • AN UPDATE ON NEXT WEEK: Questions linger, rainfall still in forecast

FORECAST

STILL HOT THROUGH THE WEEKEND

Tired of the heat yet? Unfortunately, we won’t get any relief this weekend. Temperatures today through at least Monday will hold steady in the mid to upper-90s. We continue to top the list as the hottest September on record in San Antonio.

List of hottest Septembers on record in San Antonio. (Copyright KSAT-12 2026 - All Rights Reserved)

SUNDAY EVENING STORM

As our heat high shifts into Mexico, a few storms may show up late Sunday in the Hill Country. It’s possible a few of these could drift toward San Antonio. Rain chances sit at 20% Sunday evening.

Future radar for Sunday at 6pm. An isolated storm or two is possible. (Copyright KSAT-12 2026 - All Rights Reserved)

NEXT WEEK

Next week remains complicated. A storm system will swing toward Texas by midweek, however, the models have slowed the timing a bit. It is forecast to pull up moisture from what will be left of Hurricane Polo into Texas. Rain chances show up in the forecast Wednesday and Thursday, however, as we’ve been saying -- this is not a slam dunk forecast. A front will near the area on Wednesday. Slightly cooler weather is expected for Wednesday and Thursday.

Extended Forecast (Copyright KSAT-12 2026 - All Rights Reserved)

QUICK WEATHER LINKS