Webster Groves, MO

Hail map for Webster Groves, MO — April 27, 2026

NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Webster Groves on April 27, 2026.

Hail swath map for Webster Groves, MO on April 27, 2026 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
Reached the ground
30%
NOAA POSH probability
Measured on the ground
1.75″
5.3 mi away · Public

NOAA's Probability of Severe Hail peaked at 30% over Webster Groves that day — low to moderate: the radar signature was there, ground impact less certain. 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.

Roofing contractors

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Homeowners

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This page covers Webster Groves 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 April 27, 2026

Topeka, KS2.00″Rowlett, TX2.00″Rockwall, TX2.00″Garland, TX1.50″Richardson, TX1.50″Chesterfield, MO1.50″Wildwood, MO1.50″Upper Alton, IL1.50″Alton, IL1.50″Greenville, TX1.50″Edwardsville, IL1.50″University Park, TX1.50″
Every Missouri city hit on April 27, 2026 →

Other hail dates for Webster Groves

May 19, 20251.50″May 16, 20251.50″March 14, 20251.50″May 26, 20242.00″March 14, 20241.00″September 26, 20231.00″
Every storm over Webster Groves →

What people on the ground measured in Webster Groves, MO on April 27, 2026

20 reports filed with the National Weather Service — 3 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.

  • 1.75″ golf ball size Public
    1 E University City, MO · 5.3 mi away6:15 AM CDTSt. Louis County
  • 1.50″ half dollar size Trained Spotter
    1 E Clayton, MO · 4.5 mi away6:20 AM CDTSt. Louis City County
  • 1.50″ half dollar size Public
    1 SE University City, MO · 5.3 mi away6:15 AM CDTSt. Louis County

    picture received on X.

  • 1.50″ half dollar size Public
    University City, MO · 5.5 mi away6:16 AM CDTSt. Louis County

    Estimated ping pong sized hail with photo and US quarter. Time estimated from radar.

  • 1.50″ half dollar size Public
    1 N University City, MO · 6.2 mi away6:15 AM CDTSt. Louis County
  • 1.50″ half dollar size Public
    2 NNW Saint Louis, MO · 7.0 mi away6:15 AM CDTSt. Louis City County

    picture received on X from near Kings Highway and MLK Dr.

  • 1.50″ half dollar size Public
    1 SW Bridgeton, MO · 11.7 mi away1:34 PM CDTSt. Louis County

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

  • 1.25″ half dollar size Public
    2 SE Hillsdale, MO · 6.6 mi away6:42 AM CDTSt. Louis City County

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

  • 1.25″ half dollar size Public
    1 W Jennings, MO · 10.0 mi away6:46 AM CDTSt. Louis County

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

  • 1.25″ half dollar size Public
    1 E Clarkson Valley, MO · 12.3 mi away1:38 PM CDTSt. Louis County
  • 1.00″ quarter size County Official
    2 ENE Maplewood, MO · 4.0 mi away6:20 AM CDTSt. Louis City County
  • 1.00″ quarter size Public
    2 W Saint Louis, MO · 5.8 mi away6:19 AM CDTSt. Louis City County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 NW University City, MO · 6.0 mi away6:16 AM CDTSt. Louis County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    2 SE Hillsdale, MO · 6.6 mi away6:21 AM CDTSt. Louis City County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Trained Spotter
    1 S Saint John, MO · 7.4 mi away1:48 PM CDTSt. Louis County

    At Midland and I-170.

  • 1.00″ quarter size Public
    2 WNW Town And Country, MO · 8.7 mi away1:36 PM CDTSt. Louis County
  • 1.00″ quarter size Public
    1 N Chesterfield, MO · 13.2 mi away1:35 PM CDTSt. Louis County
  • 1.00″ quarter size Public
    2 SW Clarkson Valley, MO · 14.2 mi away6:58 PM CDTSt. Louis County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    3 SE Columbia, IL · 14.8 mi away7:33 PM CDTMonroe County

    Report from mPING: Quarter (1.00 in.).

  • 0.88″ penny size Public
    1 NW Florissant, MO · 14.4 mi away12:35 PM CDTSt. Louis County

    Pea to nickel sized hail lasted about 5 minutes.

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

Webster Groves hail on April 27, 2026

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

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