Hottest day of 2024 expected Wednesday, iso. evening rain possible (Mia's Afternoon Update: 8/21)

The hottest day of the year is expected Wednesday with highs around 107°-108° in San Antonio. Isolated showers and storms possible between 4 p.m. - 10 p.m. before temperatures start to trend down through the rest of the week. Here's an update with Mia.