NOAA weather radar detected hail over 18 of the 1000 US cities we track on this date, across 5 states (CA, IL, IN, OH, TX) — 172 radar detections in total. The most active was Crystal Lake, IL with 32.
Check a specific address for this date →These dates are GMT, not local. GMT runs 5–8 hours ahead of the US, so a storm that hit at 8:30 PM local on one evening is recorded here under the following date. Evening storms are the norm across the Plains and the Southeast. If you are writing a date of loss on a claim form, check the local time — being one day off is a real reason a carrier can push back.
| City | Radar detections |
|---|---|
| Crystal Lake, IL | 32 |
| Lafayette, IN | 24 |
| Carpentersville, IL | 23 |
| Bartlett, IL | 19 |
| Streamwood, IL | 19 |
| Rockford, IL | 17 |
| Indianapolis, IN | 13 |
| Amarillo, TX | 6 |
| Fishers, IN | 5 |
| Noblesville, IN | 5 |
| Naperville, IL | 2 |
| Bolingbrook, IL | 1 |
| Calexico, CA | 1 |
| Carmel, IN | 1 |
| Dublin, OH | 1 |
| Elgin, IL | 1 |
| Hanover Park, IL | 1 |
| Schaumburg, IL | 1 |
These are city-centre tiles. To see whether radar registered hail over your street on July 17, 2015 — and every other date going back to 1992 — run the free address lookup. No signup, no account, and you can download the result as a CSV.
Look up your address →What a detection means. Counts describe a 0.1° grid tile — roughly 7 miles north to south — containing the city, not a specific address. A detection inside the tile does not prove hail fell on any particular roof, and no detection does not prove none fell. This is a screening tool, not an insurance claim, a loss report, or an engineering inspection.
NOAA NCEI Severe Weather Data Inventory,
dataset nx3hail — NEXRAD Level-III Hail Detection Algorithm output. Public-domain US
government data.
All storm dates · All cities · Hail history by address
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