Hail in San Antonio · May 26, 2026
NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 0" aloft. Open it on the live map to see the swath over the streets.
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Convective day · May 26, 2026 · noon–noon UTC
Severity
The 10th most severe storm San Antonio has seen in the last 12 months
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
- Peak hail signal
- 0 /100
- Homes exposed
- 0 /100
- Ground truth
- 0 /100
Largest radar-indicated size — a signal of damage potential, not confirmation.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
Evidence / storm surfaces
How San Antonio saw the hail — from two instruments
Each storm gets two readings: the radar signatures NEXRAD recorded as the cells passed overhead, and a modeled estimate of hail size in the air. They are independent surfaces, so a mismatch between them is expected — and worth reading.
Radar signature field The point detections NEXRAD recorded overhead. Each signature marks where the radar saw hail aloft — it is a detection, not a stone measured on the ground.
Estimated size field Radar-estimated hail size over the swath. The model reports the biggest stone the storm could sustain in the air; what actually fell may have been smaller.
The storm in context
Where May 26, 2026 sits in San Antonio's hail record.
This was San Antonio's 5th recorded hail day, arriving 5 days after the May 21, 2026 storm. By severity it ranks 10th of the 10 storms we have logged here. Radar put the day's largest stone over San Antonio at 0" — radar-estimated size aloft.
The May 26, 2026 convective day was bigger than San Antonio: the same system put hail over 259 other tracked cities, 139 of them in Texas. Nearest: Bulverde (30 miles northwest, up to 1"); Spring Branch (35 miles north, up to 1"); Jourdanton (42 miles southwest, up to 2.5").
These maps are stills. In the app this date is one of 10 San Antonio storm dates on a live map — both surfaces, the reports, and a replay — and the same map is where you draw the swath. This page rebuilds nightly.
Ground reports
What people on the ground reported
These are storm reports filed with the National Weather Service and released through the NOAA Storm Prediction Center — public-domain observations from spotters, the public, and NWS surveys. We quote each one exactly as filed.
For this storm over San Antonio, the NWS report log is empty — a common outcome, since ground reports only happen when someone witnesses the hail and takes the time to call it in. The detection record for the date lives in the radar maps above.
Below the severe threshold
What 0" hail means for San Antonio roofs.
Radar signals under three-quarters of an inch stay below the National Weather Service severe threshold and generally indicate lower roof risk. Older or already-worn materials can still show effects, but radar alone cannot determine whether a specific roof was damaged.
Radar reading · not confirmed damage
San Antonio hail history
Other storms in San Antonio.
Estimated-size surface Sep 11, 2026
2.25"
Estimated-size surface Aug 28, 2026
0.75"
Estimated-size surface Aug 27, 2026
0.5"
Estimated-size surface Jul 15, 2026
0.5"
Estimated-size surface Jul 13, 2026
0.75"
Estimated-size surface May 21, 2026
0.5"
Estimated-size surface May 10, 2026
1"
Estimated-size surface Mar 8, 2026
1"
Estimated-size surface Mar 7, 2026
1"The next storm won’t wait for you.
Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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