Things to Know about Ellicott City Today: July 21

Temperatures continue to rise this week. The National Weather Service is forecasting a high temperature of 98 degrees; it may feel as hot as 104 degrees with the humidity factored in. You can cool down at these air-conditioned spots for free:  and the .

Watch out for low-flying planes today. NASA's P-3B and UC-12 aircraft will be flying over the Baltimore-Washington corridor today, taking air samples. They should be in the sky from 10 a.m. - 6 p.m. For a map of the flight pattern, click here. To watch in real-time, click here.

Interstate 95 southbound at MD Route 32 will be closed from 9 p.m. tonight until 5 a.m. tomorrow while crews work on the bridge. 

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And ... On this day in 1925, the Scopes "Monkey" Trial ended when John T. Scopes was convicted of violating Tennessee state law by teaching evolution in school. His conviction was overturned. Read the New York Times article here.