Hail map — June 21, 2024
NOAA radar detected hail of an inch or more over 10 cities across 2 states on June 21, 2024. The largest stones — 1.50″, half dollar size — fell over West Valley City, UT.
- States hit
- 2
- Cities hit
- 10
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- from stone size
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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States hit on June 21, 2024
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
Hardest hit on June 21, 2024
What people on the ground measured in the US on June 21, 2024
15 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.
- 2.50″ hen egg size Public9 SSE The Knees, MT5:02 PM MDTChouteau County
2.50 inch hail size estimated from a photo and damage to a vehicle windshield. Time estimated from radar.
- 2.00″ hen egg size Trained SpotterHobson, MT1:47 PM MDTJudith Basin County
Trained spotter reported 1 to 2 inch sized hail with torrential rainfall. The hail was completely covering the ground and making it white.
- 1.75″ golf ball size Public7 ESE Big Water, UT1:38 PM MDTKane County
Video from social media with hail on Lake Powell near Lone Rock Beach. Time estimated from radar.
- 1.75″ golf ball size Public9 ESE Big Water, UT1:38 PM MDTKane County
Video from social media of golf ball size hail and minor boat damage on Lake Powell near Ice Cream Canyon. Time estimated from radar.
- 1.75″ golf ball size Trained Spotter5 SE Big Water, UT1:50 PM MDTKane County
Golf ball size hail reported at Amangiri Resort.
- 1.75″ golf ball size Public4 WSW Bloomfield, NM3:42 PM MDTSan Juan County
- 1.75″ golf ball size PublicBrady, MT4:00 PM MDTPondera County
Public Reported Golf Ball sized hail. It was hailing long and hard enough with low enough visibility that all the cars along I-15 had to pull over.
- 1.75″ golf ball size Trained Spotter4 NW Pawnee Buttes, CO4:15 PM MDTWeld County
Largest stones fell at the beginning of the storm. Shredded a few window screens. Time estimated by radar.
- 1.75″ golf ball size Public8 E Brady, MT4:20 PM MDTPondera County
Golf balls reported on the S curve east of Brady on Brady Road (Highway 365). Time and location estimated.
- 1.50″ half dollar size Public23 SSW Bullfrog, UT3:02 PM MDTSan Juan County
Public reported 1.5 inch hail on the San Juan River near Cha Bay. Time estimated from radar.
- 1.50″ half dollar size Public6 E Malmstrom Afb, MT6:25 PM MDTCascade County
Time and location estimated. Hailstones between 1 and 1.5 inches.
- 1.25″ half dollar size PublicEagle Mountain, UT1:00 PM MDTUtah County
Follow-up public social media picture showing a hailstone near half dollar size in diameter.
- 1.25″ half dollar size PublicMagna, UT1:15 PM MDTSalt Lake County
Social media photographs of hailstones ranging from approximately quarter to half dollar size in diameter.
- 1.25″ half dollar size Public7 SSE Neihart, MT2:03 PM MDTMeagher County
Hail up to half dollar size falling at Showdown ski area.
- 1.25″ half dollar size Public4 SSE Tolikan (Sweetwat, AZ2:16 PM MSTApache County
DELAYED REPORT from June 21. Large hail broke windows in and around Immanuel Mission School. Time estimated from radar.
Showing the 15 largest of 48 hail reports filed that day.
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.
Other hail days
US hail on June 21, 2024
NOAA radar put hail of an inch or more over 10 cities across 2 states on June 21, 2024. The largest stones — 1.50 inches, half dollar size — were over West Valley City, UT. Every state hit is listed on this page, and every city under it.