Heat, humidity expected Wednesday with chance of storms

Isolated thunderstorms are possible Wednesday afternoon and evening as humidity and warmth surge during the day, according to forecasts.

Temperatures are expected to reach into the mid- to upper 80s, potentially surpassing 90 degrees, with a slight southwesterly wind, according to the National Weather Service. BWI Marshall Airport reached 76 degrees by about 9:30 a.m., while the Maryland Science Center reached 79 degrees.

Dew points were in the lower 70s around the region about 10:45 a.m., making the air feel thick and moist across the region.

A hazardous weather outlook cautioned of storms possible along and west of Interstate 95 late Wednesday, with some storms capable of damaging winds and large hail.

A cold front that spurred severe storms and tornadoes, including the EF-5 Moore, Okla., tornado, is approaching the region and should pass through Thursday.

Temperatures will drop to the upper 60s under cloudy skies tonight, with increasing chances of rain and storms. 

Showers and storms will likely continue through Thursday, and cloudy skies are likely through the Memorial Day weekend.

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