Highest chance of rainfall from 2pm to 8pm
Watch the live radar in the video above
Predictive highlights
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Rainfall chances: 40% Saturday, Sunday 30%
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It rains all day long: spots, mainly in the afternoon
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No hail
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Flooding is unlikely: 1-inch to 2-inch pockets may
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Next week: Heat up Monday to Wednesday, rainfall opportunities from Thursday to Saturday
Weekend forecasts require a downpour in the afternoon (KSAT Copyright 2025 – All rights reserved.)
forecast
San Antonio – This weekend, the low voltage system will be a high voltage system that can be held *** this weekend.
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Total rainfall: localized 1 to 2 inches
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No hail
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Flood: unlikely – Showers should be progressive, rather than stalling in one position
This week
The increase in cloud coverage will bring us low to mid-90s this weekend. The high pressure moves overhead from Monday to Wednesday, pushing the climax to 100°. Then, in another low-speed action from Thursday to Saturday, rainfall is allowed again.
Latest 7-day weather forecast (KSAT Copyright 2025 – All rights reserved.)
KSAT Copyright 2025 – All rights reserved.
About the Author
Sarah Spivey
Sarah Spivey is a San Antonio native who grew up watching KSAT. She has been a proud member of the KSAT Weather Bureau team since 2017. Sarah is a graduate of Clark High School and Texas A&M University. She used to work at KTEN News. When Sarah isn't busy with predictions, she loves to hang out with her husband and cats and play music.