Hail in Cedar Rapids · Aug 12, 2026
NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 0.5" aloft. Open it on the live map to see the swath over the streets.
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Convective day · Aug 12, 2026 · noon–noon UTC
Severity
The 8th most severe storm Cedar Rapids 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
- 13 /100
- Homes exposed
- 35 /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 Cedar Rapids 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 Aug 12, 2026 sits in Cedar Rapids's hail record.
This was Cedar Rapids's 7th recorded hail day, arriving 44 days after the Jun 29, 2026 storm. By severity it ranks 8th of the 9 storms we have logged here. Radar put the day's largest stone over Cedar Rapids at 0.5" — radar-estimated size aloft.
The Aug 12, 2026 convective day was bigger than Cedar Rapids: the same system put hail over 507 other tracked cities, 43 of them in Nebraska. Nearest: Greeley (17 miles northwest, up to 1.25"); Spalding (19 miles northwest, up to 0.5"); Scotia (21 miles west, up to 1.25").
These maps are stills. In the app this date is one of 9 Cedar Rapids 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.
No ground reports were filed with the National Weather Service for this storm over Cedar Rapids. That is common: a report depends on someone being there to see it and take the time to call it in. The radar surfaces above are the record here — the storm was detected from above even though no one on the ground logged it.
Below the severe threshold
What 0.5" hail means for Cedar Rapids 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
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$696K
Potential roof exposure — 58 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
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 $12 on top of the $150 plan.
Cedar Rapids hail history
Other storms in Cedar Rapids.
Estimated-size surface Aug 19, 2026
1.25"
Estimated-size surface Aug 17, 2026
2.5"
Estimated-size surface Jun 29, 2026
1.75"
Estimated-size surface Jun 12, 2026
0.5"
Estimated-size surface Jun 9, 2026
1.75"
Estimated-size surface Jun 1, 2026
0.5"
Estimated-size surface May 17, 2026
2"
Estimated-size surface May 16, 2026
1.75"Take your next area into the field.
See the hail, review your recommendations, and canvass with Overview on iPhone.
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