Severe Thunderstorm Warning Issued for Six Western New York Counties
This alert is no longer in effect.
NOAA issued it on May 17, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Buffalo has issued a Severe Thunderstorm Warning for Genesee, Livingston, Monroe, Ontario, Wayne and Wyoming counties until 8:45 PM EDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Western New York
- Issued
- May 17, 2026
- Issuing authority
- NWS Buffalo NY
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Western New York.
Alert Details
A Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service in Buffalo NY. The alert is effective from May 9, 2026 at 7:52 PM EDT until May 9, 2026 at 8:45 PM EDT.
Affected Areas
The warning covers Wayne County, eastern Wyoming County, Livingston County, eastern Genesee County, Monroe County, and Ontario County in western New York. Impacted locations include Rochester, Greece, Irondequoit, Chili, Canandaigua, Brockport, Geneseo, East Rochester, Hilton, and Webster. Affected highways include Interstate 390 between exits 6 and 12 and Interstate 90 between exits 42 and 47.
What You Should Do
Residents should move to an interior room on the lowest floor of a building for protection.
Expected Conditions
At 7:52 PM EDT, severe thunderstorms were located along a line from Hilton to near Caledonia to near Warsaw, moving east at 45 mph. Hazards include 60 mph wind gusts and hail up to 0.75 inches. Expect damage to roofs, siding, and trees.
Timeline
The warning is in effect from May 9, 2026 at 7:52 PM EDT and expires at 8:45 PM EDT the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,108 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 17, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.