Hail map for Decatur, IL — June 17, 2026
NOAA radar detected hail up to 1.50″ — half dollar size — within 5 miles of Decatur on June 17, 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
- 50%
- NOAA POSH probability
- Measured on the ground
- 2.00″
- 9.8 mi away · Storm Chaser
NOAA's Probability of Severe Hail peaked at 50% over Decatur that day — moderate: severe hail likely reached the ground somewhere nearby. 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.
Work Decatur on the live hail map
- The whole state around Decatur, with this swath already on it
- Three years of hail swaths, filterable by stone size
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Did hail hit your address?
This page covers Decatur 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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What people on the ground measured in Decatur, IL on June 17, 2026
10 reports filed with the National Weather Service — 6 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.
- 2.00″ hen egg size Storm Chaser2 SE Niantic, IL · 9.8 mi away5:02 PM CDTMacon County
- 1.75″ golf ball size Emergency MngrBoody, IL · 7.5 mi away5:45 PM CDTMacon County
Golf ball size hail near route 48 outside of Boody.
- 1.75″ golf ball size Emergency MngrBoody, IL · 7.5 mi away5:08 PM CDTMacon County
Corrects previous hail report from Boody. Golf ball size hail near route 48 outside of Boody. Time estimated from radar.
- 1.50″ half dollar size Emergency MngrElwin, IL · 4.4 mi away5:10 PM CDTMacon County
Ping Pong size hail.
- 1.50″ half dollar size Emergency MngrBoody, IL · 7.5 mi away5:08 PM CDTMacon County
Corrects previous hail report from Boody. Photo of ping pong size hail with a ruler. Time estimated from radar.
- 1.50″ half dollar size Emergency MngrBoody, IL · 7.5 mi away4:45 PM CDTMacon County
Photo of ping pong size hail with a ruler.
- 1.00″ quarter size Public1 W Decatur, IL · 0.8 mi away5:53 PM CDTMacon County
- 1.00″ quarter size Public2 W Decatur, IL · 2.0 mi away5:58 PM CDTMacon County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Emergency MngrDecatur Airport, IL · 5.1 mi away5:51 PM CDTMacon County
- 0.75″ penny size PublicDecatur, IL · 0.3 mi away5:51 PM CDTMacon County
Report from mPING: Dime (0.75 in.).
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.
Decatur hail on June 17, 2026
NOAA radar estimated stones up to 1.50 inches — half dollar size — within about 5 miles of Decatur that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.