Storm report · St. Joseph

Hail in Colon May 18, 2026

Both radar surfaces caught this storm: NEXRAD logged 12 hail signatures up to 1.5", and the radar-estimated size reached 0.5" aloft.

Largest hailstone

1.5"

≈ ping-pong ball · the largest NEXRAD radar signature
Homes in the hail footprint

885

Ground reports

0

none filed
Severity

The most severe storm Colon has seen in the last 12 months

Storm severity score

Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.

3.7 /10
Hail size
38 /100

Largest hailstone — the top predictor of roof damage.

Homes exposed
59 /100

How many homes sit inside the storm's footprint.

Ground truth
0 /100

Independent storm reports filed with the NWS.

Two ways to read the storm

How Colon 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.

NEXRAD radar signatures
NEXRAD radar-signature map of the hail storm over Colon, MI on May 18, 2026

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.

Max size 1.5" Detections 12
Radar-estimated hail size
Radar-estimated hail-size map of the storm over Colon, MI on May 18, 2026

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.

Max size 0.5"
The storm in context

Where May 18, 2026 sits in Colon's hail record

This was Colon's 2nd recorded hail day, arriving 73 days after the Mar 6, 2026 storm. By severity it ranks 1st of the 3 storms we have logged here. Radar put the day's largest stone over Colon at 1.5" — the largest NEXRAD radar signature.

The May 18, 2026 convective day was bigger than Colon: the same system put hail over 726 other tracked cities, 48 of them in Michigan. Nearest: Sherwood (5 miles east, up to 1.25"); Mendon (8 miles west, up to 1.5"); Athens (9 miles northeast, up to 1.25").

These maps are stills from Colon's May 18, 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.

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.

Nobody on the ground filed a report over Colon 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.

Widespread claimable damage

What 1.5" hail means for Colon roofs

At an inch and a half, hail cracks shingles, strips granules down to the mat, and dents gutters, vents, and siding. A footprint like this typically produces a wave of insurance claims — and the contractor who reaches the homeowner first usually gets the inspection.

What this storm is worth to a roofer

$11M

Potential roof exposure — 885 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Illustrative jobs
4 jobs
Illustrative work
~$60K
Close just 0.5% of the 885 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.
Claims from this storm can typically be filed until around May 2028 — the window to reach these homeowners while it's still open. Deadlines vary by policy and state.

Track hail over Colon on the live map

Radar updates in real time, spotter reports appear on the map as they're filed, and the full Colon storm history — this May 18, 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

Colon hail history

3 recorded storm days in Colon, MI

← All hail in Colon

Other storms in Colon

A storm day here is a convective day — it runs from noon to noon UTC, so late-night hail is grouped with the afternoon storm that spawned it rather than split across two calendar dates. Ground reports are public-domain observations from the NOAA Storm Prediction Center. Radar surfaces are detections and estimates, not confirmed damage. Last updated Aug 3, 2026.