California hail map — April 10, 2026
NOAA radar detected hail of an inch or more over 2 California cities on April 10, 2026. The largest stones — 1.00″, quarter size — fell over Manteca.
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- The April 10, 2026 swath — and every other storm since 2023 across California
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- Cities hit
- 2
- in California
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- from stone size
Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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California cities hit on April 10, 2026
What people on the ground measured in California on April 10, 2026
4 reports filed with the National Weather Service — 1 from trained observers or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 1.50″ half dollar size Trained SpotterRio Vista, CA3:04 PM PDTSolano County
Trained spotter reports 1.5 inch / ping pong hail in Rio Vista.
- 1.00″ quarter size PublicRipon, CA2:07 PM PDTSan Joaquin County
Public report of 1 inch hail, relayed via broadcast media. Time estimated by radar.
- 0.50″ penny size Public19 NE Snelling, CA5:27 PM PDTMariposa County
Facebook comment reporting 0.5-0.75 inch hail and convective rotation near Coulterville.
- 0.25″ penny size Public24 WSW Hetch Hetchy, CA4:45 PM PDTTuolumne County
Facebook comment from Second Garrotte resident reporting pea-sized hail and numerous lightning flashes.
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.
Hail elsewhere on April 10, 2026
The full US hail map for April 10, 2026 →Other California hail days
Shopping for a hail app to work California?
This page is one storm. If you are deciding which tool to work California with all season, these compare the ones roofers actually buy — with every price taken from the vendor's own site and linked.
- Best hail tracking apps, comparedHailMate, HailTrace, Hail Recon, HailStrike and RadarScope — every published price sourced and linked, and who each one is genuinely right for.
- HailMate vs HailTraceStreet-level NOAA swaths on a map your crew can knock, with the CRM already inside — instead of quote-only meteorologist maps billed on top of one.
- Hail map apps for roofers (and the Hail Recon alternative)Every storm on one map instead of loading dates one at a time — plus the canvassing and the whole claim, monthly, for what one state costs them a year.
- Best canvassing apps, comparedHailMate, SalesRabbit, SPOTIO, Knockio, RoofLink and Badger Maps — every published price sourced and linked, and two of them publish none.
California hail on April 10, 2026
NOAA radar put hail of an inch or more over 2 California cities that day. The largest stones — 1.00 inches, quarter size — were over Manteca. Every city hit is listed above with its own stone size.