Hail in San Jose Jun 11, 2026
The radar-estimated size surface caught this storm, reaching 0.75" aloft. NEXRAD logged no point detections over San Jose this day.
0.75"
≈ penny to nickel · radar-estimated size aloft560
0
none filedThe 3rd most severe storm San Jose has seen in the last 12 months
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
- Hail size
- 19 /100
- Homes exposed
- 55 /100
- Ground truth
- 0 /100
Largest hailstone — the top predictor of roof damage.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
How San Jose saw the hail — from two instruments
Two instruments, one storm: NEXRAD logs the point signatures it detected overhead, while the estimated-size surface models how large the hail aloft could have grown. Agreement between them is not guaranteed — the gaps are where the model ran ahead of, or behind, the detections.
Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.
Only the radar-estimated size surface resolved for Jun 11, 2026 — this storm produced no NEXRAD point detections over San Jose, so there is one map to show, not two.
Where Jun 11, 2026 sits in San Jose's hail record
This was San Jose's 4th recorded hail day, arriving 38 days after the May 4, 2026 storm. By severity it ranks 3rd of the 6 storms we have logged here. Radar put the day's largest stone over San Jose at 0.75" — radar-estimated size aloft.
The Jun 11, 2026 convective day was bigger than San Jose: the same system put hail over 648 other tracked cities, 157 of them in Illinois. Nearest: Delavan (7 miles north, up to 0.75"); Green Valley (9 miles northwest, up to 0.75"); Mason City (11 miles west, up to 0.75").
These maps are stills from San Jose's Jun 11, 2026 storm. In the Overview app the same surfaces are live — radar updating in real time, radar-estimated hail size as it forms, and NWS spotter reports pinned where they're filed — with a radar replay you can scrub back over any past day.
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.
Nobody on the ground filed a report over San Jose for this date, which says more about who was watching than about the storm: spotter reports only exist where there is an observer. The radar surfaces above carry the evidence for this one.
What 0.75" hail means for San Jose roofs
Hail this size sits right at the edge of the National Weather Service severe threshold. Newer roofs usually shrug it off, but aging or already-worn shingles can bruise, and soft metals — vents, flashing, gutters — often show the first dents.
$6.7M
Potential roof exposure — 560 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.Track hail over San Jose on the live map
Radar updates in real time, spotter reports appear on the map as they're filed, and the full San Jose storm history — this Jun 11, 2026 storm included — sits underneath. When you're ready, draw this storm's footprint and pull highly accurate homeowner contact information for every address inside it.
Highly accurate contact information starting at $0.23 per address — every contact included. Digital leads cost $15–$40. Start with a 7-day free trial — no credit card required. See pricing
6 recorded storm days in San Jose, IL
Other storms in San Jose
Jul 10, 2026
0.5"
Jun 17, 2026
0.75"
May 4, 2026
1"
Apr 27, 2026
1.25"
Mar 6, 2026
0.5"