Hail map for Carpentersville, IL — July 27, 2026
NOAA radar detected hail up to 1.50″ — half dollar size — within 5 miles of Carpentersville on July 27, 2026.
- Max hail size
- 1.50″
- half dollar
- Impact rating
- 5/10
- from stone size
- Size bands over the city
- 2
- distinct radar bands
- Reached the ground
- 30%
- NOAA POSH probability
- Measured on the ground
- 1.25″
- 11.9 mi away · Public
NOAA's Probability of Severe Hail peaked at 30% over Carpentersville that day — low to moderate: the radar signature was there, ground impact less certain. It is a separate model from the size estimate above: one asks how big the stones were in the storm, the other asks whether they made it down.
Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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- The whole state around Carpentersville, with this swath already on it
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This page covers Carpentersville as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.
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Other towns hit on July 27, 2026
Other hail dates for Carpentersville
Every storm over Carpentersville →What people on the ground measured in Carpentersville, IL on July 27, 2026
8 reports filed with the National Weather Service. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 1.25″ half dollar size Public1 SE Schaumburg, IL · 11.9 mi away11:45 AM CDTCook County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public1 NW Roselle, IL · 12.9 mi away11:48 AM CDTCook County
Report from mPING: Half Dollar (1.25 in.).
- 1.00″ quarter size Public1 W West Dundee, IL · 3.0 mi away10:56 AM CDTKane County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public1 S West Dundee, IL · 3.3 mi away10:58 AM CDTKane County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public2 SE Wauconda, IL · 11.2 mi away12:21 PM CDTLake County
Relayed via mping. Time estimated by radar.
- 1.00″ quarter size Public1 S Hanover Park, IL · 11.5 mi away11:17 AM CDTDuPage County
Public report of quarter size hail relayed via mping.
- 1.00″ quarter size Public1 SE Schaumburg, IL · 11.9 mi away11:43 AM CDTCook County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public1 W Medinah, IL · 14.2 mi away11:48 AM CDTDuPage County
Relayed via mping.
Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.
Carpentersville hail on July 27, 2026
NOAA radar estimated stones up to 1.50 inches — half dollar size — within about 5 miles of Carpentersville that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.