The National Weather Service issued a Severe Thunderstorm Warning for Western New York affecting Erie, Genesee, Monroe, Niagara, Orleans and Wyoming counties until 8:15 AM EDT on September 2, 2026, and warned of 70 mph wind gusts and quarter-size hail that could cause tree and structural damage.

The warning mattered because the storms carried the potential for widespread damage to vehicles, roofs and mobile homes and overlapped with a broader Extreme Tornado Watch affecting other New York counties until 11 PM EDT on September 2, 2026, increasing the risk environment across the region. Residents were urged to remain alert and prepared to take shelter, and to call 911 in emergencies.

Severe thunderstorm warning details for Western New York

The warning named specific counties: ErieGeneseeMonroeNiagaraOrleans and Wyoming and remained in effect until 8:15 AM EDT on September 2, 2026; meteorologists predicted 70 mph wind gusts and quarter-size hail with these storms, noting possible damage to trees, vehicles, roofs and outbuildings and urging people to move to an interior room on the lowest floor for protection.

Related Extreme Tornado Watch and geographic scope

An Extreme Tornado Watch was in effect for parts of New York until 11 PM EDT on September 2, 2026, covering a different set of counties and cities across the state and indicating conditions favorable for tornado development; the watch broadened the severe-weather picture beyond Western New York and underscored the need for multiple ways to receive alerts. Officials reiterated standard sheltering advice and preparedness measures for rapidly changing conditions.

Safety guidance and emergency instructions

Authorities advised that if a tornado was spotted, people should go immediately to a basement or a small central room in a sturdy structure and move to an interior room on the lowest floor of a building; in case of emergency callers were instructed to dial 911. The National Weather Service emphasized staying informed via local alerts, identifying safe locations in advance and following local authorities’ directions as storms evolved.

This story is developing and will be updated as new official information becomes available.