Fontana, CA Hail & Wind Storm History
Severe weather within ~25 miles of Fontana, California over the last 12 months — NWS warnings, observed storm reports, and official records, deduplicated.
Fontana, California storm history at a glance (last 12 months)
This free weather history for Fontana — home to roughly 218,455 residents in San Bernardino County — draws on StormAuditor's deduplicated public record: 50 wind and hail events within 25 miles of Fontana in the trailing 12 months — 50 wind events and 0 hail events, including a maximum observed wind gust of 94 mph. San Bernardino County as a whole recorded 160 events (134 wind · 26 hail). Events fuse NWS warnings, observed Local Storm Reports, station measurements, and official NCEI records, deduplicated so one storm is counted once.
Biggest storm days near Fontana
- January 9, 2026 — 22 recorded events · 22 wind
- February 18, 2026 — 14 recorded events · 14 wind
- December 24, 2025 — 5 recorded events · 5 wind
- February 16, 2026 — 3 recorded events · 3 wind
- February 17, 2026 — 2 recorded events · 2 wind
Fontana hail map and wind map
Researching hail in Fontana or severe wind in Fontana? Radar-derived hail swaths and peak-gust wind swaths for California — including the Fontana metro — are on the Hail Explorer and Wind Explorer: pick any storm date and see how estimated hail size and wind gust bands tracked through San Bernardino County. County-level activity is on the impact heatmap, and day-by-day history is on the Storm Calendar.
Free Fontana weather report by address
Area maps show where storms tracked; an insurance claim or roof inspection needs what happened at the property. Start with a free weather report check: the Free Report Snapshot answers YES/NO instantly on estimated damaging wind (45+ mph) and damage-capable hail (0.75 in. or larger) at any Fontana address, and the Address Lookup adds free Fontana wind history and free Fontana hail history context — NWS warnings, storm reports, and NOAA observations — at no charge. When you need the full document, a complete Weather Report is $2.99 and covers every qualifying storm date at one address. All values are estimates from public NOAA data under our published methodology — research documentation, not certified weather records (see Limitations).
Free Fontana storm data download
The Fontana dataset on this page — every deduplicated wind and hail event within about 25 miles from the last 12 months, with dates, counties, event types, measured gusts, and hail sizes — downloads free, reusable with attribution under the data license: download CSV · download JSON. Because the radius can cross county and state lines, these counts can legitimately differ from the San Bernardino County totals above. Statewide files are on the California storm data page.
More California city storm pages: Los Angeles hail & wind history · San Diego hail & wind history · San Jose hail & wind history · Lancaster hail & wind history · Palmdale hail & wind history · Pomona hail & wind history · Victorville hail & wind history · Torrance hail & wind history · California statewide storm data
About this page: built by Storm Auditor LLC from public NOAA/NWS records — deduplicated warnings, storm reports, station measurements, and official records on a rolling 12-month window, under the published methodology. See the StormAuditor Editorial Team for how content is produced.
Data last refreshed August 23, 2026. Counts cover severe and sub-severe wind and hail; flood activity and Special Weather Statements are tracked separately on the dashboard.