MONTGOMERY COUNTY, Md. — Drivers in the Silver Spring area should expect delays due to a crash on westbound I-495 past Colesville Road. All lanes reopened just after 7 a.m., but delays remain.

The uncertainty has left businesses in limbo and a decision to raise the import duties could jolt world markets.

Wednesday looks to be the hottest day as humidity creeps up. With the heat index, it could feel as hot as 100 degrees.