Severe Thunderstorm Warning Issued for Nassau and Suffolk Counties, NY
This alert is no longer in effect.
NOAA issued it on June 25, 2026, 8 weeks 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 Upton NY has issued a Severe Thunderstorm Warning for Nassau County and Western Suffolk County until 9:00 PM EDT on June 6.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Nassau and Suffolk Counties, New York
- Issued
- June 25, 2026
- Issuing authority
- NWS Upton 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 8 weeks ago; use the issuing agency's live warning service for current conditions in Nassau and Suffolk Counties, New York.
Alert Details
Severe Thunderstorm Warning issued by NWS Upton NY. Effective from 2026-06-06T19:54:00-04:00 until 2026-06-06T21:00:00-04:00. Severity: Severe. Urgency: Immediate. Certainty: Observed.
Affected Areas
Nassau County and Western Suffolk County in southeastern New York.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 7:52 PM EDT, severe thunderstorms were located along a line extending from Scarsdale to Flushing to Oakwood, moving east at 40 mph. Hazards include 60 mph wind gusts and penny size hail (0.75 inch). Expect damage to trees and power lines.
Timeline
Alert effective 2026-06-06T19:54:00-04:00, expires and ends 2026-06-06T21:00:00-04:00.
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 (756 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 25, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.