Hail map — August 11, 2026
NOAA radar detected hail of an inch or more over 33 cities across 11 states on August 11, 2026. The largest stones — 2.00″, hen egg size — fell over South Bend, IN.
- States hit
- 11
- Cities hit
- 33
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- 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 August 11, 2026
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
Hardest hit on August 11, 2026
Showing the 24 largest of 33 cities hit. The rest are under their state above.
What people on the ground measured in the US on August 11, 2026
15 reports filed with the National Weather Service — 4 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.
- 4.50″ softball size Trained Spotter5 NW Clinton, NE8:11 PM CDTSheridan County
- 4.00″ softball size Storm Chaser6 NW Oglala, SD6:48 PM CDTOglala Lakota County
Measured with calipers. Time estimated based on radar.
- 4.00″ softball size Trained Spotter4 SE Clinton, NE8:36 PM CDTSheridan County
- 3.90″ baseball size Storm Chaser7 NNW Oglala, SD6:42 PM CDTOglala Lakota County
Measured with calipers along Highway 41. Via Spotter Network. Time adjusted based on radar.
- 3.60″ baseball size Storm Chaser2 SSW Hermosa, SD4:35 PM CDTCuster County
Measured along Highway 79 a bit further north than previous report. Via Spotter Network. Time estimated based on radar.
- 3.50″ baseball size PublicHermosa, SD4:30 PM CDTCuster County
Photos via social media. Time estimated based on radar.
- 3.50″ baseball size Trained Spotter8 E Porcupine, ND8:48 PM CDTSioux County
Trained spotter reports multiple very large hail stones 3 inches or greater. Largest measured hailstone was 3.5 inches. Reports ditch was packed very large hail stones up to 30 minute after the storm had passed. Time estimated based on radar.
- 3.50″ baseball size Public23 N Ashby, NE9:28 PM CDTCherry County
- 3.40″ baseball size Storm Chaser3 SSW Hermosa, SD4:35 PM CDTCuster County
Measured along Highway 79. Via Spotter Network. Time adjusted based on radar.
- 3.25″ baseball size Public4 W Hermosa, SD4:21 PM CDTCuster County
Hail lasted for 15 minutes. Broken glass, downspouts and gutters, carport destroyed.
- 3.25″ baseball size Trained Spotter5 N Selfridge, ND8:59 PM CDTSioux County
Measured hailstone found 20 minutes after the storm had passed. Found in ditch filled with mostly golf ball and tennis ball size hail. Time estimated from radar.
- 3.00″ baseball size Public2 W Toto, IN11:10 AM EDTStarke County
Estimated 3 inch hailstone. Photo on Facebook but no official measurement. Fell on SR 39 north of North Judson. Time estimated via radar.
- 3.00″ baseball size Public1 NNE Hayward, SD4:15 PM CDTPennington County
Reported on Rushmore Ranch Rd. Photo via social media. Time estimated based on radar.
- 3.00″ baseball size Public4 WNW Hermosa, SD4:19 PM CDTPennington County
Along Highway 40. Photo via social media. Time estimated based on radar.
- 3.00″ baseball size Public2 SW Hermosa, SD4:33 PM CDTCuster County
Along Highway 36. Photo via social media. Time estimated based on radar.
Showing the 15 largest of 196 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 August 11, 2026
NOAA radar put hail of an inch or more over 33 cities across 11 states on August 11, 2026. The largest stones — 2.00 inches, hen egg size — were over South Bend, IN. Every state hit is listed on this page, and every city under it.