Storms to bring flooding, damaging winds from Plains to Northeast into next week
A potent weather system drives a multi-day threat of severe thunderstorms and flooding across the Plains, Midwest, mid-Atlantic, and Northeast through next week, fueled by Atlantic moisture and a dipping jet stream. The most significant flooding risk centers along and east of the I-95 corridor from eastern North Carolina to southeastern Massachusetts, with heavy downpours, hail, and damaging winds as the main hazards. The region faces already saturated soils, which heighten runoff and standing water in poor drainage areas. After an initial surge, the system may lose momentum, with drier, cooler air spreading back into much of the area to start the new week. Authorities expect continued rounds of storms into Monday, potentially impacting travel and outdoor activities.
Dive Deeper:
The same storm complex previously delivering tornadoes across Pennsylvania to New Jersey is reinforcing a broader, eastward-moving weather setup that will fuel additional severe thunderstorms and flooding.
South winds will bring abundant Atlantic moisture into the East, increasing rainfall rates and the likelihood of flash flooding in vulnerable locations.
Saturday’s forecast calls for strong to severe thunderstorms across the Ohio Valley and parts of the Northeast, with heavy downpours, hail, and wind gusts of 55 to 65 mph; Detroit, Cincinnati, and Pittsburgh are among at-risk cities.
Thunderstorm activity is expected to shift east into the Appalachians on Saturday evening, potentially disrupting outdoor plans with frequent lightning and localized flooding.
Sunday should bring a lighter but still active threat across the Northeast, with the potential for lake-effect rain near the Great Lakes and some gusty winds.
A cooler, less humid air mass is expected to follow behind the system by Sunday night into Monday, bringing drier conditions to much of the region to start the workweek.
Beyond the weekend, additional rounds of thunderstorms are anticipated across northern portions of the Great Plains on Monday, with localized damaging wind gusts and persistent downpours potentially affecting the Monday evening commute.