Severe storms are set to batter the Northeast and Mid-Atlantic regions this week, with a Level 2 out of 5 storm threat in effect through Friday, September 4, 2026.
Why it matters: The multiday weather event poses risks of damaging winds, heavy rain, and tornadoes, impacting thousands of residents and businesses.
A Level 2 out of 5 severe storm threat is active across portions of the Northeast as of September 2, 2026.
More than 65,000 customers were without power early Wednesday morning in Pennsylvania, Delaware, and New Jersey due to previous storms.
This marks the first time since 2023 that areas like Philadelphia have faced a Level 2 storm threat for three consecutive days in September.
Driving the news: Storms erupted on Tuesday, September 1, 2026, producing damaging winds and heavy rainfall across the region.
Storms on Tuesday led to numerous Severe Thunderstorm Warnings in Pennsylvania, New York, and New Jersey.
Flash flooding occurred in eastern Pennsylvania, with wind gusts exceeding 55 mph causing downed trees and power lines.
State of play: As the storm system continues, meteorologists warn that Wednesday, September 2, is expected to see the most damaging wind reports and the highest potential for power outages.
Conditions are ripe for severe thunderstorms with damaging winds and large hail, along with potential tornadoes in the strongest storms.
Heavy rain rates could reach up to 2 inches per hour, with total rainfall exceeding 3 inches in some areas of New York and Pennsylvania.
The big picture: The severe weather is part of a larger pattern influenced by a heat dome over the Central Mississippi Valley.
Rounds of severe weather will affect parts of the Midwest and Atlantic Coast through at least Friday, September 4, 2026.
Major cities at risk include Detroit, Pittsburgh, Philadelphia, Baltimore, and Washington, D.C., where severe storms are forecast to roll through.
What they're saying: Meteorologists are closely monitoring the situation, emphasizing the need for residents to stay informed.
"All the ingredients from the previous two days will come back into play as we head into Labor Day Weekend," the FOX Forecast Center noted.
Officials urge residents to prepare for possible travel disruptions due to severe storms impacting airport hubs.
By the numbers: The following statistics highlight the severity of the storm threats:
AccuWeather Local StormMax™ wind gusts could reach up to 80 mph during the storms.
Over 65,000 power outages reported across the region as of September 2, 2026.
Flash flooding incidents have already been reported, including a notable incident in Glassboro, New Jersey, where floodwaters submerged a basement.
What's next: The storm threat is expected to extend into the Labor Day weekend, with additional rounds of severe weather anticipated.
Thursday’s severe weather focus will shift slightly southward, affecting the Mid-Atlantic region, including Washington, D.C.
Residents are advised to monitor local forecasts and prepare for rapidly changing weather conditions.