Affton, MO

Hail map for Affton, MO — May 19, 2025

NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Affton on May 19, 2025.

Hail swath map for Affton, MO on May 19, 2025 showing 1.00 inch hail.
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
2.00″
4.3 mi away · Public

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

Roofing contractors

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Homeowners

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This page covers Affton 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 May 19, 2025

Provo, UT2.00″Springville, UT2.00″Bixby, OK2.00″Jenks, OK2.00″Olathe, KS1.50″Broken Arrow, OK1.50″Lenexa, KS1.50″Florissant, MO1.50″University City, MO1.50″Owasso, OK1.50″Liberty, MO1.50″Kirkwood, MO1.50″
Every Missouri city hit on May 19, 2025 →

Other hail dates for Affton

April 27, 20261.00″August 12, 20251.00″March 14, 20251.50″May 26, 20242.00″March 14, 20241.00″September 26, 20231.00″July 17, 20231.00″
Every storm over Affton →

What people on the ground measured in Affton, MO on May 19, 2025

7 reports filed with the National Weather Service — 1 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 Public
    1 SW Brentwood, MO · 4.3 mi away8:38 PM CDTSt. Louis County

    Via Twitter: Photo of 2 inch diameter hail with measurement included.

  • 1.75″ golf ball size Fire Dept/Rescue
    Kirkwood, MO · 5.1 mi away8:40 PM CDTSt. Louis County
  • 1.75″ golf ball size 911 Call Center
    Saint Ann, MO · 12.6 mi away8:50 PM CDTSt. Louis County
  • 1.50″ half dollar size Trained Spotter
    1 NNE Berkeley, MO · 13.8 mi away8:58 PM CDTSt. Louis County
  • 1.25″ half dollar size Public
    1 N Webster Groves, MO · 3.7 mi away8:43 PM CDTSt. Louis County

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

  • 1.00″ quarter size Public
    1 SW Frontenac, MO · 7.1 mi away8:38 PM CDTSt. Louis County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 WSW Saint Ann, MO · 12.4 mi away8:50 PM CDTSt. Louis County

    Via Slack: A few quarter sized hailstones falling east of Maryland Heights.

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

Affton hail on May 19, 2025

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

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