Westmont, IL

Hail map for Westmont, IL — March 10, 2026

NOAA radar detected hail up to 1.50″ — half dollar size — within 5 miles of Westmont on March 10, 2026.

Hail swath map for Westmont, IL on March 10, 2026 showing 1.50 inch hail.
Max hail size
1.50″
half dollar
Impact rating
5/10
from stone size
Size bands over the city
2
distinct radar bands
Reached the ground
30%
NOAA POSH probability
Measured on the ground
4.80″
3.2 mi away · Public

NOAA's Probability of Severe Hail peaked at 30% over Westmont 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 Westmont 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 10, 2026

Iowa City, IA2.00″Kankakee, IL2.00″Duncan, OK2.00″Coralville, IA2.00″Mustang, OK2.00″Oklahoma City, OK1.50″Midwest City, OK1.50″Downers Grove, IL1.50″Del Rio, TX1.50″Woodridge, IL1.50″Yukon, OK1.50″Darien, IL1.50″
Every Illinois city hit on March 10, 2026 →

Other hail dates for Westmont

July 27, 20262.00″June 10, 20261.00″March 30, 20261.50″August 16, 20251.00″July 24, 20251.00″May 15, 20251.00″
Every storm over Westmont →

What people on the ground measured in Westmont, IL on March 10, 2026

39 reports filed with the National Weather Service — 5 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.

  • 4.80″ softball size Public
    Darien, IL · 3.2 mi away5:47 PM CDTDuPage County

    Photo shared to office email account of hailstone measuring 4.8 inches in diameter near the intersection of 75th Street and Cass Ave in Darien. Time estimated by radar.

  • 4.00″ softball size Public
    1 S Westmont, IL · 0.5 mi away5:53 PM CDTDuPage County

    Photo shared on social media showing largest hailstones approximately 4 inches in diameter in Westmont.

  • 4.00″ softball size NWS Employee
    1 S Downers Grove, IL · 2.5 mi away5:51 PM CDTDuPage County

    Photo shows multiple large hail stones retrieved from near 63rd Street and Main Street in Downers Grove. Largest hail stone broke into 3 pieces during measurement, with the largest piece 4 inches in diameter. Another hail stone was 3.25 inches in diameter, and two other stones were approximately 2.5 inches in diameter. Time estimated by radar.

  • 3.75″ baseball size Public
    1 NW Darien, IL · 2.5 mi away5:46 PM CDTDuPage County

    Photo shared to social media shows 3.75 inch hail on Washington Street in Darien. Time estimated by radar.

  • 3.25″ baseball size Public
    2 ENE Woodridge, IL · 3.0 mi away5:42 PM CDTDuPage County
  • 3.00″ baseball size Public
    1 ESE Woodridge, IL · 4.2 mi away5:55 PM CDTDuPage County

    Photo shared of hail measuring 3 inches in diameter near intersection of 75th Street and Interstate 355.

  • 3.00″ baseball size Public
    1 SW Woodridge, IL · 5.4 mi away5:37 PM CDTDuPage County

    3 inch diameter hail in southern Woodridge. Relayed via mping. Time estimated by radar.

  • 3.00″ baseball size Cocorahs
    2 S Woodridge, IL · 6.0 mi away5:35 PM CDTDuPage County

    delayed report.

  • 3.00″ baseball size Public
    Bolingbrook, IL · 8.2 mi away5:32 PM CDTWill County

    Photo shared of hail measuring just over 3 inches in diameter in Bolingbrook. Time estimated by radar.

  • 2.75″ baseball size Public
    1 S Westmont, IL · 1.8 mi away5:53 PM CDTDuPage County

    Public report of baseball size hail in south Westmont.

  • 2.75″ baseball size Public
    2 NW Darien, IL · 2.2 mi away5:51 PM CDTDuPage County

    Multiple reports of baseball size hail in southeast Downers Grove.

  • 2.75″ baseball size Public
    1 E Woodridge, IL · 3.4 mi away5:40 PM CDTDuPage County
  • 2.50″ hen egg size Public
    1 E Woodridge, IL · 3.4 mi away5:50 PM CDTDuPage County

    Public report of tennis ball size hail in southwest Downers Grove.

  • 2.50″ hen egg size Public
    1 W Darien, IL · 4.1 mi away5:44 PM CDTDuPage County

    Damage reported to cars and roofs.

  • 2.50″ hen egg size Public
    2 NE Bolingbrook, IL · 6.8 mi away5:36 PM CDTWill County
  • 2.50″ hen egg size Public
    3 WSW Bolingbrook, IL · 10.4 mi away5:33 PM CDTWill County

    Hail up to tennis ball size in western Bolingbrook. Time estimated by radar.

  • 2.00″ hen egg size Fire Dept/Rescue
    La Grange Park, IL · 5.9 mi away6:06 PM CDTCook County

    Largest hailstones estimated to be between 1.5 and 2 inches in diameter.

  • 2.00″ hen egg size Public
    Stickney, IL · 10.2 mi away6:04 PM CDTCook County

    Report from mPING.

  • 1.75″ golf ball size Public
    1 SW Darien, IL · 3.9 mi away5:47 PM CDTDuPage County

    Trained spotter reports golfball size hail in Darien.

  • 1.75″ golf ball size Public
    1 SE Woodridge, IL · 4.6 mi away5:44 PM CDTDuPage County

    Relayed via mping. Time estimated by radar.

  • 1.75″ golf ball size Trained Spotter
    1 NNE Bolingbrook, IL · 7.7 mi away5:36 PM CDTWill County

    Trained spotter reports golfball size hail in Bolingbrook.

  • 1.75″ golf ball size Public
    4 W Bolingbrook, IL · 11.6 mi away5:31 PM CDTWill County

    Public report of golf ball size hail in western Bolingbrook. Time estimated by radar.

  • 1.50″ half dollar size Public
    2 S Woodridge, IL · 6.0 mi away5:38 PM CDTDuPage County

    Report from mPING.

  • 1.50″ half dollar size Public
    Brookfield, IL · 6.9 mi away6:00 PM CDTCook County

    Trained spotter reports walnut size hail in Brookfield. Hail occurred over 10 minute period from 5:54 PM to 6:05 PM.

  • 1.50″ half dollar size Public
    2 W Bolingbrook, IL · 10.1 mi away5:34 PM CDTWill County

    Relayed via mping.

  • 1.50″ half dollar size Public
    Berwyn, IL · 10.3 mi away6:10 PM CDTCook County
  • 1.50″ half dollar size Trained Spotter
    1 E Forest Park, IL · 10.4 mi away6:13 PM CDTCook County
  • 1.50″ half dollar size Public
    3 NW Romeoville, IL · 11.7 mi away5:24 PM CDTWill County

    Relayed via mping.

  • 1.25″ half dollar size Trained Spotter
    2 W Darien, IL · 3.6 mi away5:42 PM CDTDuPage County

    Trained spotter reports quarter to half dollar size hail near 75th and Main Street in Downers Grove.

  • 1.25″ half dollar size Public
    Stickney, IL · 10.2 mi away6:04 PM CDTCook County

    Relayed via mping.

  • 1.25″ half dollar size Public
    Cicero, IL · 11.7 mi away6:11 PM CDTCook County

    Relayed via mping. Time estimated by radar.

  • 1.00″ quarter size Public
    Woodridge, IL · 4.1 mi away5:44 PM CDTDuPage County

    Photo shared on social media showed hail approximately 1 inch in diameter.

  • 1.00″ quarter size Trained Spotter
    1 S Darien, IL · 4.6 mi away5:46 PM CDTDuPage County

    Trained spotter reports quarter size hail at I-55 and Cass Avenue in Darien. Time estimated by radar.

  • 1.00″ quarter size Public
    1 NE Countryside, IL · 5.5 mi away6:08 PM CDTCook County
  • 1.00″ quarter size Public
    1 E North Riverside, IL · 9.3 mi away6:07 PM CDTCook County

    Quarter size hail reported in North Riverside. Time estimated by radar.

  • 1.00″ quarter size Public
    1 SSE Bolingbrook, IL · 9.4 mi away5:33 PM CDTWill County

    Corrects previous tstm wnd dmg report from 1 SSE Bolingbrook. Quarter size hail reported near I-55 and IL-53. Relayed via mping.

  • 1.00″ quarter size Public
    Forest Park, IL · 10.0 mi away6:16 PM CDTCook County

    Relayed via mping.

  • 1.00″ quarter size Public
    1 S Oak Park, IL · 11.2 mi away6:14 PM CDTCook County

    Report from mPING.

  • 1.00″ quarter size Public
    Humboldt Park - Chicago, IL · 14.7 mi away6:20 PM CDTCook County

    Public report of hail up to quarter size near Humboldt Park in Chicago. Time estimated by radar.

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

Westmont hail on March 10, 2026

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

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