Sarah Spivey, KSAT Weather Authority Meteorologist
WATCH LIVESTREAM IN VIDEO ABOVE
FORECAST HIGHLIGHTS
NOW TO MIDNIGHT: Highest storm chance for San Antonio
IMPACTS: SAN ANTONIO: Tornado threat is over. Flash Flood WARNING until 1:15 a.m..
ACTIONS: Make sure you have FREE KSAT Weather App
SUNRISE WEDNESDAY: Rain moves east, morning commute may still be affected with low water crossings closed
FORECAST
TIMING OF STORMS LATER TODAY
Storms are ongoing, capable of heavy rain and lightning. Watch live radar and coverage in the video above.
Street flooding and power outages will be possible.
Heavy rain will peak end around midnight, however, showers and storms could linger through sunrise Wednesday. Street flooding will be a concern and the Wednesday morning commute could be affected.
WEDNESDAY
It’ll be cooler and cloudier Wednesday, with only a small 30% chance of redevelopment in the afternoon.
REST OF THE WEEK
It’ll be warmer for the rest of the week, apart from an occasional isolated storm chance.
The latest forecast from Your Weather Authority (Copyright 2026 by KSAT - All rights reserved.)
Daily Forecast
KSAT meteorologists keep you on top of the ever-changing South Texas weather.
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.
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.