Hail map for Arlington Heights, IL — August 16, 2025
NOAA radar detected hail up to 1.50″ — half dollar size — within 5 miles of Arlington Heights on August 16, 2025.
- 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″
- 2.5 mi away · Cocorahs
NOAA's Probability of Severe Hail peaked at 30% over Arlington Heights 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 Arlington Heights, with this swath already on it
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This page covers Arlington Heights 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 August 16, 2025
Other hail dates for Arlington Heights
Every storm over Arlington Heights →What people on the ground measured in Arlington Heights, IL on August 16, 2025
6 reports filed with the National Weather Service — 2 from trained spotters or officials. 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 Cocorahs1 E Palatine, IL · 2.5 mi away4:25 PM CDTCook County
- 1.25″ half dollar size PublicDes Plaines, IL · 5.8 mi away4:44 PM CDTCook County
Report from mPING: Half Dollar (1.25 in.).
- 1.00″ quarter size Trained SpotterArlington Heights, IL · 0.6 mi away4:33 PM CDTCook County
1333 Chicago Ave.
- 1.00″ quarter size Trained SpotterRolling Meadows, IL · 2.6 mi away4:28 PM CDTCook County
Harper College. Multiple large branches also broken.
- 1.00″ quarter size Public1 SE Mount Prospect, IL · 4.1 mi away4:39 PM CDTCook County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public1 S Des Plaines, IL · 6.2 mi away4:38 PM CDTCook County
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.
Arlington Heights hail on August 16, 2025
NOAA radar estimated stones up to 1.50 inches — half dollar size — within about 5 miles of Arlington Heights that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.