Thunderstorms dumped record rainfall and flooded roads around Baltimore on Tuesday.
More than 2 ½ inches of rain fell at Baltimore-Washington International Thurgood Marshall Airport, most of it within a two-hour period as an intense storm passed through.
That was the most on record for June 17 in Baltimore, the National Weather Service said, breaking a record from 1947.
Rush hour traffic was expected to be slow, with some roads or lanes closed by high water, according to the State Highway Administration.
Around BWI, flooding closed part of Dorsey Road near Sawmill Creek and Nursery Road near Baltimore Annapolis Boulevard.
In Baltimore County, a fire department crew rescued a driver stuck in a car in floodwaters on Philadelphia Road near Campbell Boulevard in Nottingham.
Responders, dispatched just before 5 p.m., pulled the driver from the vehicle, the department said. The person’s condition was not released.
The rain was also affecting air travel. Southwest Airlines has delayed or canceled hundreds of flights at BWI, Reagan National and Washington Dulles and other airports around the region due to inclement weather.
Temperatures reached at least 90 degrees Tuesday afternoon at BWI, with oppressive levels of humidity. Dew points were hovering in the mid-70s, with relative humidity between 60 and 90 percent.
Storm chances are expected to diminish Tuesday night, when a cold front passes through the region.
After that, better weather is expected in Baltimore the rest of the week. High temperatures are expected to stay in the mid-80s, according to the weather service.
Baltimore Sun reporter Sarah Meehan contributed to this article.