Alton, IL

Hail map for Alton, IL — March 14, 2024

NOAA radar detected hail up to 1.50″ — half dollar size — within 5 miles of Alton on March 14, 2024.

Hail swath map for Alton, IL on March 14, 2024 showing 1.50 inch hail.
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Max hail size
1.50″
half dollar
Impact rating
5/10
from stone size
Size bands over the city
2
distinct radar bands
Measured on the ground
3.00″
11.7 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 Alton 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 March 14, 2024

St. Louis, MO2.00″McKinney, TX2.00″Frisco, TX2.00″Denton, TX2.00″Lewisville, TX2.00″Flower Mound, TX2.00″Muncie, IN2.00″Celina, TX2.00″The Trails of Frisco, TX2.00″Keller, TX2.00″The Colony, TX2.00″Little Elm, TX2.00″
Every Illinois city hit on March 14, 2024 →

Other hail dates for Alton

May 4, 20261.00″May 3, 20261.00″April 27, 20261.50″August 16, 20251.00″August 12, 20251.00″July 17, 20251.00″May 26, 20241.00″April 1, 20241.00″August 12, 20231.00″July 29, 20231.00″July 17, 20231.50″July 14, 20231.00″
Every storm over Alton →

What people on the ground measured in Alton, IL on March 14, 2024

44 reports filed with the National Weather Service — 14 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.

  • 3.00″ baseball size Trained Spotter
    2 W Edwardsville, IL · 11.7 mi away4:54 PM CDTMadison County

    Delayed report, 3.25 inch hail on Southern Illinois University at Edwardsville.

  • 2.00″ hen egg size Public
    Poag, IL · 10.0 mi away5:17 PM CDTMadison County

    Report from mPING: Hen Egg (2.00 in.).

  • 2.00″ hen egg size Public
    2 W Edwardsville, IL · 11.4 mi away5:17 PM CDTMadison County
  • 2.00″ hen egg size Public
    2 W Edwardsville, IL · 11.7 mi away4:50 PM CDTMadison County

    Delayed report, two inch hail at Southern Illinois University, Edwardsville.

  • 2.00″ hen egg size Public
    1 NW Edwardsville, IL · 13.1 mi away5:22 PM CDTMadison County

    Report from mPING: Hen Egg (2.00 in.).

  • 2.00″ hen egg size Public
    1 E Edwardsville, IL · 14.1 mi away4:54 PM CDTMadison County
  • 1.75″ golf ball size Public
    1 S Roxana, IL · 7.9 mi away5:17 PM CDTMadison County

    Report from mPING: Golf Ball (1.75 in.).

  • 1.75″ golf ball size Public
    1 SSW Roxana, IL · 7.9 mi away5:11 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Broadcast Media
    2 W Edwardsville, IL · 11.7 mi away4:50 PM CDTMadison County

    SIUE Campus.

  • 1.75″ golf ball size Public
    2 N Edwardsville, IL · 12.5 mi away5:19 PM CDTMadison County

    Report from mPING: Golf Ball (1.75 in.).

  • 1.75″ golf ball size Trained Spotter
    Granite City, IL · 12.8 mi away4:42 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Trained Spotter
    1 SW Edwardsville, IL · 13.5 mi away4:45 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Trained Spotter
    1 WSW Glen Carbon, IL · 14.3 mi away4:50 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Trained Spotter
    Glen Carbon, IL · 14.7 mi away4:45 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Public
    Glen Carbon, IL · 14.7 mi away4:51 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Trained Spotter
    Glen Carbon, IL · 14.7 mi away4:52 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Public
    Glen Carbon, IL · 14.7 mi away4:47 PM CDTMadison County
  • 1.50″ half dollar size Public
    1 S Mitchell, IL · 11.2 mi away4:44 PM CDTMadison County

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

  • 1.50″ half dollar size Public
    2 E Poag, IL · 12.1 mi away4:55 PM CDTMadison County

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

  • 1.50″ half dollar size Public
    Edwardsville, IL · 13.1 mi away4:54 PM CDTMadison County

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

  • 1.50″ half dollar size Public
    Edwardsville, IL · 13.5 mi away4:56 PM CDTMadison County

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

  • 1.50″ half dollar size Trained Spotter
    2 WSW Glen Carbon, IL · 13.9 mi away4:50 PM CDTMadison County

    Delayed report.

  • 1.50″ half dollar size Trained Spotter
    Edwardsville, IL · 13.9 mi away4:54 PM CDTMadison County

    Delayed report.

  • 1.50″ half dollar size Public
    2 SW Glen Carbon, IL · 14.8 mi away4:53 PM CDTMadison County
  • 1.25″ half dollar size Trained Spotter
    1 SW Spanish Lake, MO · 8.5 mi away5:04 PM CDTSt. Louis County

    Delayed report.

  • 1.25″ half dollar size Public
    2 E Poag, IL · 10.9 mi away5:20 PM CDTMadison County

    Report from mPING: Half Dollar (1.25 in.).

  • 1.25″ half dollar size Public
    2 W Edwardsville, IL · 11.4 mi away4:51 PM CDTMadison County
  • 1.25″ half dollar size Public
    1 NE Granite City, IL · 12.4 mi away4:39 PM CDTMadison County
  • 1.25″ half dollar size Public
    1 E Granite City, IL · 12.9 mi away5:59 PM CDTMadison County

    Report from mPING: Half Dollar (1.25 in.).

  • 1.25″ half dollar size Public
    1 E Granite City, IL · 13.1 mi away5:59 PM CDTMadison County

    Report from mPING: Half Dollar (1.25 in.).

  • 1.25″ half dollar size Trained Spotter
    Edwardsville, IL · 13.1 mi away4:53 PM CDTMadison County

    Delayed report.

  • 1.25″ half dollar size Trained Spotter
    Pontoon Beach, IL · 13.2 mi away4:46 PM CDTMadison County

    Delayed report.

  • 1.25″ half dollar size Public
    2 W Glen Carbon, IL · 13.4 mi away5:00 PM CDTMadison County

    Report from mPING: Half Dollar (1.25 in.).

  • 1.25″ half dollar size Public
    Glen Carbon, IL · 14.7 mi away4:45 PM CDTMadison County
  • 1.25″ half dollar size Public
    1 E Edwardsville, IL · 14.9 mi away4:57 PM CDTMadison County

    Report from mPING: Half Dollar (1.25 in.).

  • 1.00″ quarter size Public
    2 NE Granite City, IL · 11.1 mi away4:43 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    4 N Edwardsville, IL · 12.4 mi away5:01 PM CDTMadison County
  • 1.00″ quarter size Public
    1 N Edwardsville, IL · 12.8 mi away5:11 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 W Edwardsville, IL · 13.0 mi away4:51 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Trained Spotter
    Edwardsville, IL · 13.1 mi away4:47 PM CDTMadison County

    Delayed report.

  • 1.00″ quarter size Trained Spotter
    Edwardsville, IL · 13.1 mi away4:49 PM CDTMadison County

    Delayed report.

  • 1.00″ quarter size Public
    Edwardsville, IL · 13.5 mi away5:17 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Trained Spotter
    Glen Carbon, IL · 14.7 mi away4:55 PM CDTMadison County

    Delayed report.

  • 0.50″ penny size Public
    4 NW Black Jack, MO · 6.7 mi away6:59 PM CDTSt. Louis County

    Report from mPING: Half-inch (0.50 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.

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FAQ

Alton hail on March 14, 2024

NOAA radar estimated stones up to 1.50 inches — half dollar size — within about 5 miles of Alton that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.

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