Granite City, IL

Hail map for Granite City, IL — May 16, 2025

NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Granite City on May 16, 2025.

Hail swath map for Granite City, IL on May 16, 2025 showing 1.00 inch hail.
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Max hail size
1.00″
quarter
Impact rating
3/10
from stone size
Size bands over the city
1
distinct radar bands
Measured on the ground
2.50″
9.3 mi away · Trained Spotter

Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

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This page covers Granite City 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 Granite City, IL on May 16, 2025

17 reports filed with the National Weather Service — 2 from trained observers or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 2.50″ hen egg size Trained Spotter
    1 W Normandy, MO · 9.3 mi away2:46 PM CDTSt. Louis County

    Photo submitted via email. Hail fell near Clearview and Hatherly in north city.

  • 2.00″ hen egg size Public
    University City, MO · 10.0 mi away2:46 PM CDTSt. Louis County

    Photo submitted via social media.

  • 1.75″ golf ball size Public
    1 SW Saint John, MO · 10.9 mi away2:37 PM CDTSt. Louis County

    Corrects previous hail report from 1 SW Saint John.

  • 1.75″ golf ball size Public
    1 SW Saint John, MO · 10.9 mi away5:15 PM CDTSt. Louis County
  • 1.75″ golf ball size Trained Spotter
    1 ENE Olivette, MO · 11.5 mi away2:46 PM CDTSt. Louis County

    Photo submitted via email.

  • 1.50″ half dollar size Public
    1 NW Clayton, MO · 10.4 mi away2:54 PM CDTSt. Louis County

    Report from mPING: Ping Pong Ball (1.50 in.).

  • 1.50″ half dollar size Public
    1 SW Saint John, MO · 10.9 mi away2:44 PM CDTSt. Louis County

    Report from mPING: Ping Pong Ball (1.50 in.).

  • 1.50″ half dollar size Public
    1 SE Olivette, MO · 12.3 mi away2:43 PM CDTSt. Louis County

    Report from mPING: Ping Pong Ball (1.50 in.).

  • 1.25″ half dollar size Public
    1 SSW Saint John, MO · 10.9 mi away2:37 PM CDTSt. Louis County

    Hail in Overland and Charlack.

  • 1.25″ half dollar size Public
    1 SE Overland, MO · 11.4 mi away2:35 PM CDTSt. Louis County
  • 1.00″ quarter size Amateur Radio
    2 NE Granite City, IL · 3.3 mi away2:54 PM CDTMadison County

    HAM Radio operator report near Pontoon Road and Maryville Road in Granite City.

  • 1.00″ quarter size Public
    1 SW Mitchell, IL · 4.8 mi away2:57 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 S Mitchell, IL · 5.0 mi away2:57 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    2 W Glen Carbon, IL · 9.0 mi away3:01 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 N University City, MO · 9.9 mi away2:47 PM CDTSt. Louis County
  • 1.00″ quarter size Public
    Woodson Terrace, MO · 12.1 mi away2:38 PM CDTSt. Louis County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    2 W Overland, MO · 13.6 mi away2:45 PM CDTSt. Louis 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.

FAQ

Granite City hail on May 16, 2025

NOAA radar estimated stones up to 1.00 inches — quarter size — within about 5 miles of Granite City that day, across 1 distinct size band. Sizes vary street to street inside a single swath.

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