O'Fallon, IL

Hail map for O'Fallon, IL — March 14, 2024

Hail up to 1.75″ — golf ball size — was estimated within 5 miles of O'Fallon on March 14, 2024.

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Max hail size
1.75″
golf ball
Impact rating
6/10
from stone size
Size bands over the city
4
distinct radar bands
Measured on the ground
2.00″
10.2 mi away · Public

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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Other towns hit on March 14, 2024

O'Fallon, MO3.00″Flower Mound, TX3.00″Saint Peters, MO3.00″Keller, TX3.00″Wentzville, MO3.00″Southlake, TX3.00″Edwardsville, IL3.00″Frisco, TX2.50″Denton, TX2.50″Lewisville, TX2.50″The Trails of Frisco, TX2.50″The Colony, TX2.50″
Every Illinois city hit on March 14, 2024 →

Other hail dates for O'Fallon

April 27, 20261.25″May 16, 20251.25″April 2, 20251.25″March 30, 20251.00″March 14, 20251.75″July 29, 20241.00″May 26, 20241.75″May 8, 20241.00″August 6, 20231.25″July 29, 20231.25″July 17, 20231.00″July 14, 20231.25″
Every storm over O'Fallon →

What people on the ground measured in O'Fallon, IL on March 14, 2024

51 reports filed with the National Weather Service — 17 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.

  • 2.00″ hen egg size Public
    1 W Troy, IL · 10.2 mi away4:50 PM CDTMadison County
  • 2.00″ hen egg size Public
    1 E Edwardsville, IL · 14.5 mi away4:54 PM CDTMadison County
  • 2.00″ hen egg size Public
    1 NW Edwardsville, IL · 14.7 mi away5:22 PM CDTMadison County

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

  • 1.75″ golf ball size Trained Spotter
    Mascoutah, IL · 7.9 mi away4:29 PM CDTSt. Clair County
  • 1.75″ golf ball size Public
    1 E Maryville, IL · 9.6 mi away4:48 PM CDTMadison County
  • 1.75″ golf ball size Trained Spotter
    1 WSW Glen Carbon, IL · 11.7 mi away4:50 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size NWS Employee
    2 N Fairmont City, IL · 11.9 mi away4:14 PM CDTMadison County

    Halfway between Collinsville and Granite City.

  • 1.75″ golf ball size Trained Spotter
    Glen Carbon, IL · 12.0 mi away4:45 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Public
    Glen Carbon, IL · 12.0 mi away4:47 PM CDTMadison County
  • 1.75″ golf ball size Trained Spotter
    Glen Carbon, IL · 12.0 mi away4:52 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Public
    Glen Carbon, IL · 12.0 mi away4:51 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Trained Spotter
    1 SW Edwardsville, IL · 14.0 mi away4:45 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Trained Spotter
    Granite City, IL · 14.4 mi away4:42 PM CDTMadison County

    Delayed report.

  • 1.75″ golf ball size Public
    1 N Kuhn, IL · 14.5 mi away5:40 PM CDTMadison County

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

  • 1.50″ half dollar size Trained Spotter
    Maryville, IL · 10.0 mi away4:47 PM CDTMadison County

    Delayed report.

  • 1.50″ half dollar size Public
    2 SW Glen Carbon, IL · 11.0 mi away4:53 PM CDTMadison County
  • 1.50″ half dollar size Public
    Glen Carbon, IL · 11.3 mi away4:53 PM CDTMadison County

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

  • 1.50″ half dollar size Trained Spotter
    2 WSW Glen Carbon, IL · 11.9 mi away4:50 PM CDTMadison County

    Delayed report.

  • 1.50″ half dollar size Public
    2 NE Glen Carbon, IL · 12.4 mi away5:00 PM CDTMadison County

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

  • 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
    Edwardsville, IL · 14.0 mi away4:56 PM CDTMadison County

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

  • 1.50″ half dollar size Public
    2 E Poag, IL · 14.0 mi away4:55 PM CDTMadison County

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

  • 1.50″ half dollar size Public
    1 S Mitchell, IL · 14.2 mi away4:44 PM CDTMadison County

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

  • 1.50″ half dollar size Public
    Edwardsville, IL · 14.7 mi away4:54 PM CDTMadison County

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

  • 1.25″ half dollar size Public
    Glen Carbon, IL · 12.0 mi away4:45 PM CDTMadison County
  • 1.25″ half dollar size Trained Spotter
    Pontoon Beach, IL · 12.1 mi away4:46 PM CDTMadison County

    Delayed report.

  • 1.25″ half dollar size Public
    2 W Glen Carbon, IL · 12.5 mi away5:00 PM CDTMadison County

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

  • 1.25″ half dollar size Public
    1 E Granite City, IL · 13.5 mi away5:59 PM CDTMadison County

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

  • 1.25″ half dollar size Public
    1 E Edwardsville, IL · 13.7 mi away4:57 PM CDTMadison County

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

  • 1.25″ half dollar size Public
    1 NE Granite City, IL · 13.9 mi away4:39 PM CDTMadison County
  • 1.25″ half dollar size Public
    1 E Granite City, IL · 13.9 mi away5:59 PM CDTMadison County

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

  • 1.25″ half dollar size Trained Spotter
    Edwardsville, IL · 14.7 mi away4:53 PM CDTMadison County

    Delayed report.

  • 1.00″ quarter size Public
    1 N Caseyville, IL · 8.0 mi away4:36 PM CDTSt. Clair County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Trained Spotter
    1 SSW Mascoutah, IL · 8.4 mi away7:47 PM CDTSt. Clair County

    Delayed report.

  • 1.00″ quarter size Trained Spotter
    1 SE Mascoutah, IL · 9.1 mi away6:26 PM CDTSt. Clair County

    Delayed report, quarter sized hail at the corner of E Harnett St and N Jefferson St.

  • 1.00″ quarter size Public
    Troy, IL · 9.5 mi away4:56 PM CDTMadison County
  • 1.00″ quarter size Public
    2 W Maryville, IL · 10.0 mi away4:47 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 S Glen Carbon, IL · 10.7 mi away4:49 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    Glen Carbon, IL · 11.3 mi away4:50 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    4 SE Mascoutah, IL · 11.9 mi away6:29 PM CDTSt. Clair County
  • 1.00″ quarter size Trained Spotter
    Glen Carbon, IL · 12.0 mi away4:55 PM CDTMadison County

    Delayed report.

  • 1.00″ quarter size Public
    2 WSW Kuhn, IL · 12.9 mi away4:55 PM CDTMadison County

    Delayed report.

  • 1.00″ quarter size Public
    2 E Edwardsville, IL · 13.7 mi away4:59 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    Edwardsville, IL · 14.0 mi away5:17 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Cocorahs
    2 W Smithton, IL · 14.1 mi away6:39 PM CDTSt. Clair County
  • 1.00″ quarter size Public
    1 W Edwardsville, IL · 14.1 mi away4:51 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 N Kuhn, IL · 14.5 mi away5:04 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Trained Spotter
    Edwardsville, IL · 14.7 mi away4:47 PM CDTMadison County

    Delayed report.

  • 1.00″ quarter size Trained Spotter
    Edwardsville, IL · 14.7 mi away4:49 PM CDTMadison County

    Delayed report.

  • 1.00″ quarter size Public
    Marine, IL · 14.8 mi away5:03 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    2 NE Granite City, IL · 14.8 mi away4:43 PM CDTMadison County

    Report from mPING: Quarter (1.00 in.).

These are verified ground reports, updated 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

O'Fallon hail on March 14, 2024

Hail up to 1.75 inches — golf ball size — was estimated within about 5 miles of O'Fallon that day, across 4 distinct size bands. Sizes vary street to street inside a single swath.

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