Hail map for Boulder, CO — May 30, 2024
NOAA radar detected hail up to 1.50″ — half dollar size — within 5 miles of Boulder on May 30, 2024.
- 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
- 2.25″
- 14.7 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.
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This page covers Boulder 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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What people on the ground measured in Boulder, CO on May 30, 2024
17 reports filed with the National Weather Service — 6 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.
- 2.25″ hen egg size Public2 E Broomfield, CO · 14.7 mi away9:30 PM MDTAdams County
Report relayed via social media. Time estimated by radar.
- 1.50″ half dollar size Trained Spotter2 NNE Erie, CO · 13.0 mi away9:25 PM MDTWeld County
- 1.50″ half dollar size Public2 E Broomfield, CO · 14.5 mi away9:25 PM MDTBroomfield County
Mostly just some leaves stripped from trees. It only lasted ~5 minutes, with most of the hail under an inch in diameter. Several stones of 1 or 1.25 inch diameter, and one at 1.5 inch diameter.
- 1.25″ half dollar size Public1 NE Erie, CO · 12.4 mi away9:31 PM MDTWeld County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public2 SE Erie, CO · 12.8 mi away9:37 PM MDTWeld County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public1 SE Broomfield, CO · 13.3 mi away9:25 PM MDTJefferson County
Report from mPING: Half Dollar (1.25 in.).
- 1.00″ quarter size Trained Spotter1 W Niwot, CO · 7.6 mi away8:58 PM MDTBoulder County
Report from mPING: Quarter (1.00 in.). Time adjusted by radar.
- 1.00″ quarter size Trained Spotter1 WNW Niwot, CO · 7.9 mi away9:00 PM MDTBoulder County
Size estimated, as hail was still falling.
- 1.00″ quarter size Trained Spotter2 NW Erie, CO · 10.4 mi away9:15 PM MDTBoulder County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Trained Spotter1 NE Broomfield, CO · 12.8 mi away9:21 PM MDTBroomfield County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public2 SE Erie, CO · 12.8 mi away9:35 PM MDTWeld County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Cocorahs1 SSE Broomfield, CO · 13.3 mi away9:17 PM MDTJefferson County
- 1.00″ quarter size Public2 E Broomfield, CO · 14.8 mi away9:28 PM MDTBroomfield County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size PublicWestminster, CO · 15.0 mi away9:29 PM MDTAdams County
Report from mPING: Quarter (1.00 in.).
- 0.88″ penny size Trained SpotterLafayette, CO · 9.2 mi away9:11 PM MDTBoulder County
- 0.88″ penny size Public2 NE Erie, CO · 13.0 mi away9:15 PM MDTWeld County
- 0.75″ penny size Public3 NE Boulder, CO · 4.5 mi away8:55 PM MDTBoulder County
Report from mPING: Dime (0.75 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.
Boulder hail on May 30, 2024
NOAA radar estimated stones up to 1.50 inches — half dollar size — within about 5 miles of Boulder that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.