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Fox News Weather Center

Storms to slice warmth across Great Lakes, northeastern US by midweek

After a surge of warmth over the weekend, storms will ease heat and humidity levels across the Great Lakes and northeastern United States by midweek.

While conditions were quite comfortable to start Father's Day weekend, warm and more humid air built over the region on Sunday. Temperature and humidity levels will continue to climb on Monday.

An advancing cool front is expected to ease the resurgence of warmth and humidity by the middle of the week.

"After several days of very warm weather across the Great Lakes and Northeast, a strong front will cause temperatures to fall closer to average, as well as lower humidity levels," AccuWeather Senior Meteorologist Matt Rinde explained.

Gusty thunderstorms are forecast to erupt along the leading edge of cool air from the Ohio Valley to upstate New York and southern Ontario and Quebec late on Monday afternoon into Monday evening.

Cities that could be impacted by locally damaging winds, hail and torrential downpours include Indianapolis; Cleveland; Detroit; Erie, Pennsylvania; Buffalo and Syracuse, New York; and Quebec City, Montreal and Toronto.

Storms are expected to lose some of their punch during the overnight hours, but could hold together long enough to make for a wet and slower-than-normal commute from Boston to Washington, D.C., on Tuesday morning.

A few storms could be reinvigorated and become locally strong across the Virginias during Tuesday afternoon.

Cooler, drier air will spill southeastward in the wake of these storms.

Highs will drop 10-15 degrees Fahrenheit across part of the region from Monday to Tuesday.

Locations across the northern tier will feel the brunt of the cooling from this system.

"Areas from Michigan eastward to New York and New England will experience the most noticeable drop in temperatures," Rinde stated.

Highs in the upper 80s and low 90s F to start the workweek will be replaced with highs in the upper 70s and low 80s on Tuesday. Further cooling may take place on Wednesday.

Humidity levels will become noticeably more comfortable.

"These drier conditions will make it much more pleasant to get outdoor work done," Rinde said.

While temperatures will not drop as drastically across the northeastern I-95 corridor, much-drier air will reach the Eastern Seaboard by Wednesday.

Lower humidity levels will keep AccuWeather RealFeel® Temperatures within a few degrees of the actual high.

Wednesday will offer a great opportunity to get outdoors as dry weather is expected to prevail for most of the region. Spotty showers could dampen part of the day in New England.

The threat for drenching rain and strong thunderstorms will return to part of the region on Thursday.