California Hail Map & Storm Reports
Every verified hail report in California from the last 12 months — which towns got hit, how big it was, and how recently. The same NWS data insurance adjusters trust, organized for roofers.
The storms worth working
Biggest verified hail days in California this year — every one is still inside a typical insurance filing window.
Most homeowner policies allow 1–2 years from the storm date to file — the roofer who documents the roof first usually writes the job.
This map shows where. Rooftops shows which roofs.
Type any California address and get that exact roof's hail history — every verified hit with dates and sizes — plus measurements and a replacement cost range. That's your proof at the door and for the adjuster.
Get a Free Roof ReportType any address — roof size, cost range & that address's hail history in seconds. 3 free reports, no credit card.
Towns to canvass first
Largest hail · last 12 months
Latest verified reports
| When | Location | Event |
|---|---|---|
| Oct 22, 2026today | 4 SE YermoSan Bernardino Co. | 58 mph wind |
| Oct 22, 2026yesterday | 1 S Mammoth Mountain SkMono Co. | 52 mph wind |
| Oct 22, 2026yesterday | 1 NE Mammoth Mountain SMono Co. | 47 mph wind |
| Oct 22, 2026yesterday | 1 E Mammoth Mountain SkMono Co. | 59 mph wind |
| Oct 22, 2026yesterday | 5 E ChalfantMono Co. | 54 mph wind |
| Oct 22, 2026yesterday | 5 E ChalfantMono Co. | 65 mph wind |
| Oct 22, 2026yesterday | 1 NE Mammoth Mountain SMono Co. | 61 mph wind |
| Oct 22, 2026yesterday | 1 S Mammoth Mountain SkMono Co. | 66 mph wind |
| Oct 22, 2026yesterday | Mammoth Mountain Ski SuMono Co. | 61 mph wind |
| Oct 21, 2026yesterday | 1 W Homewood Mountain SPlacer Co. | 50 mph wind |
| Oct 21, 2026yesterday | 4 E ChalfantMono Co. | 54 mph wind |
| Oct 21, 2026yesterday | 3 E ChalfantMono Co. | 46 mph wind |
| Oct 21, 20262 days ago | 3 SW Lake IsabellaKern Co. | 39 mph wind |
| Oct 21, 20262 days ago | 13 SSW Blackwells CorneKern Co. | 38 mph wind |
| Oct 21, 20262 days ago | 11 NNW CoalingaFresno Co. | 46 mph wind |
| Oct 21, 20262 days ago | 9 SSW Kettleman CityKings Co. | 39 mph wind |
| Oct 21, 20262 days ago | 12 NNW Squaw ValleyFresno Co. | 32 mph wind |
| Oct 21, 20262 days ago | 6 SE Millerton LakeFresno Co. | 30 mph wind |
| Oct 21, 20262 days ago | 10 SE AuberryFresno Co. | 33 mph wind |
| Oct 21, 20262 days ago | 9 WNW CoalingaFresno Co. | 56 mph wind |
| Oct 21, 20262 days ago | 3 SW Three RiversTulare Co. | 32 mph wind |
| Oct 21, 20262 days ago | 5 SSW AuberryFresno Co. | 30 mph wind |
| Oct 21, 20262 days ago | 11 NNW Squaw ValleyFresno Co. | 30 mph wind |
| Oct 21, 20262 days ago | TehachapiKern Co. | 33 mph wind |
| Oct 21, 20262 days ago | 15 W CoalingaFresno Co. | 32 mph wind |
California storm damage FAQ
Was there hail in California recently?
The most recent verified severe weather report in California was filed on Oct 22, 2026. Over the last 12 months, NWS spotters logged 67 hail reports across 15 separate hail days in the state.
How big does hail need to be to damage a roof?
Hail around 1 inch (quarter size) and up can bruise or crack asphalt shingles — that's the size adjusters take seriously. The largest verified hail in California in the last 12 months measured 1.5" — ping pong ball sized — and the state logged 5 days with 1"+ hail.
How long after a hailstorm can homeowners file a claim?
It depends on the policy and the state, but most homeowner policies allow one to two years from the storm date — some as little as six months. That's why the storms on this page are still live opportunities: the roofer who documents the damage first usually writes the job.
How do I check if a specific roof was hit?
Run a free roof report on Rooftops AI: type the address and you get the roof's measurements plus its verified hail history — every NWS-logged hail, wind, and tornado report near that exact property, with dates and sizes.
Turn storm data into signed jobs
Rooftops AI gives roofers instant roof measurements, cost estimates, verified per-address hail history, and an AI assistant — free to start.
Get a Free Roof ReportType any address — roof size, cost range & that address's hail history in seconds. 3 free reports, no credit card.
Storm reports by state
Data: NWS Local Storm Reports via Iowa Environmental Mesonet (mesonet.agron.iastate.edu). Local Storm Reports are preliminary, spotter-submitted observations and may be revised by the National Weather Service. Rooftops AI is not affiliated with or endorsed by NOAA or the NWS. Insurance filing windows vary by policy and state — homeowners should confirm with their carrier.
Page generated 2026-10-23 20:07 UTC · refreshes hourly.