Hail in Marengo · Apr 14, 2026
The estimated-size surface reached 0.75" aloft; NEXRAD logged no point detections over Marengo that day. Open it on the live map to see the swath over the streets.
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Convective day · Apr 14, 2026 · noon–noon UTC
Severity
The 2nd most severe storm Marengo 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
- 19 /100
- Homes exposed
- 75 /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 Marengo saw the hail — from two instruments
We map this storm two ways: the NEXRAD radar signatures the storm produced overhead, and the radar-estimated size of the hail in the air. The two surfaces don’t have to match — where they diverge is where estimated size aloft ran ahead of, or behind, what the signatures caught.
Estimated size field Maximum hail size as estimated from radar aloft. Treat it as the storm's ceiling — the largest supportable stone — rather than a ground measurement.
Only the radar-estimated size surface resolved for Apr 14, 2026 — this storm produced no NEXRAD point detections over Marengo, so there is one map to show, not two.
The storm in context
Where Apr 14, 2026 sits in Marengo's hail record.
This was Marengo's 3rd recorded hail day, arriving 12 days after the Apr 2, 2026 storm. By severity it ranks 2nd of the 10 storms we have logged here. Radar put the day's largest stone over Marengo at 0.75" — radar-estimated size aloft.
The Apr 14, 2026 convective day was bigger than Marengo: the same system put hail over 476 other tracked cities, 44 of them in Illinois. Nearest: Garden Prairie (7 miles south, up to 0.75"); Belvidere (10 miles southwest, up to 1"); Woodstock (11 miles east, up to 0.5").
These maps are stills. In the app this date is one of 10 Marengo 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 Marengo. 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.
Near the severe threshold
What 0.75" hail means for Marengo roofs.
A signal this size sits near the National Weather Service severe threshold. Aging shingles and soft metals such as vents, flashing, and gutters may be more vulnerable; roof age, wind, and material condition all matter, and only an inspection can confirm damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$66M
Potential roof exposure — 5,476 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 27 jobs
- Illustrative work
- ~$405K
Close just 0.5% of the 5,476 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
April 2028
Claims from this storm can typically be filed until around April 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 $1,150 on top of the $150 plan.
Marengo hail history
Other storms in Marengo.
Estimated-size surface Aug 9, 2026
0.5"
Estimated-size surface Jul 27, 2026
1"
Estimated-size surface Jul 17, 2026
0.5"
Estimated-size surface Jul 4, 2026
1"
Estimated-size surface Jul 2, 2026
0.5"
Estimated-size surface Jun 11, 2026
0.5"
NEXRAD surface Jun 5, 2026
NEXRAD surface Apr 2, 2026
Estimated-size surface Mar 30, 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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Web trial: 7 days free. Card required. $150/month after the trial unless cancelled.