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TUESDAY & NIOSA FORECAST: Drizzle continues, staying damp through Wednesday morning

We’ll be near 90° by Friday

The latest forecast from Your Weather Authority (Copyright 2026 by KSAT - All rights reserved.)

FORECAST HIGHLIGHTS

  • DRIZZLE TODAY: Damp conditions all day, including tonight as NIOSA kicks off
  • TOMORROW: Morning drizzle, afternoon sun
  • WARMING TREND: Near 90° by Friday
  • ISOLATED STORMS: Friday through Sunday

FORECAST

TODAY

Yesterday’s rainfall was nothing short of impressive, with 5-day totals topping 5″ in San Antonio! The aquifer is responding (up over 7 feet since Friday) and continues to rise. Drizzle will continue through the evening hours, making for a damp first night of NIOSA. The good news? There’s no flooding or severe risk.

The first night of NIOSA will be damp with drizzle. (Copyright 2026 by KSAT - All rights reserved.)

TOMORROW

We’ll have more morning drizzle tomorrow. Then, by the afternoon we’ll see sun for the first time since Saturday.

WARMING TREND

Wednesday brings a return to near 80° and it’ll steadily warm from there. 90s are possible by the weekend, while humidity stays intact. It will be warm and sticky for Fiesta events through the weekend.

Daytime high temperatures will climb back to the 90s by the weekend (Copyright KSAT-12 2026 - All Rights Reserved)

ISOLATED STORMS

Thursday likely stays quiet. However, by Friday and Saturday, the dryline will make a run at South Texas. This may stir up a bit more activity, still, it’ll be mostly stray, afternoon storms. Should a storm develop during the Friday to Sunday timeframe, severe weather would be possible.

The latest forecast from Your Weather Authority (Copyright 2026 by KSAT - All rights reserved.)

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