Hail in Galena · Aug 21, 2026
The estimated-size surface reached 1.25" aloft; NEXRAD logged no point detections over Galena that day. Open it on the live map to see the swath over the streets.
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Convective day · Aug 21, 2026 · noon–noon UTC
Severity
The 3rd most severe storm Galena 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
- 31 /100
- Homes exposed
- 65 /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 Galena 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.
Estimated size field 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 Aug 21, 2026 — this storm produced no NEXRAD point detections over Galena, so there is one map to show, not two.
The storm in context
Where Aug 21, 2026 sits in Galena's hail record.
This was Galena's 6th recorded hail day, arriving 10 days after the Aug 11, 2026 storm. By severity it ranks 3rd of the 6 storms we have logged here. Radar put the day's largest stone over Galena at 1.25" — radar-estimated size aloft.
The Aug 21, 2026 convective day was bigger than Galena: the same system put hail over 659 other tracked cities, 93 of them in Illinois. Nearest: Scales Mound (7 miles north, up to 1.25"); Elizabeth (9 miles southeast, up to 1.5"); Hanover (14 miles south, up to 1.5").
These maps are stills. In the app this date is one of 6 Galena 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.
The National Weather Service logged no spotter reports for this storm over Galena. That absence is ordinary — filing a report takes a person on the spot who saw the hail and phoned it in. What stands as the record for this date is the radar above, which caught the storm regardless.
Damage-capable hail signal
What 1.25" hail means for Galena roofs.
Quarter-size and larger hail can bruise asphalt mats, remove granules, and dent exposed soft metal. The mapped footprint identifies an inspection priority area — it does not identify which individual roofs, if any, sustained damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$22M
Potential roof exposure — 1,862 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 9 jobs
- Illustrative work
- ~$135K
Close just 0.5% of the 1,862 homes in this footprint at the average $15,000 roof job. Illustrative math, not a projection — your results depend on your outreach and how the market responds.
Claim window
August 2028
Claims from this storm can typically be filed until around August 2028 — the window to reach these homeowners while it's still open. Deadlines vary by policy and state.
Names and phones for every home in the footprint: at most $391 on top of the $150 plan.
Galena hail history
Other storms in Galena.
Estimated-size surface Aug 11, 2026
0.5"
Estimated-size surface Jul 2, 2026
1.25"
Estimated-size surface Apr 17, 2026
2.5"
Estimated-size surface Apr 14, 2026
0.75"
Estimated-size surface Mar 10, 2026
1"Take your next area into the field.
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