(CNSNews.com) - The temperature hit a record 104 degrees at Reagan National Airport in suburban Virginia, just outside Washington, D.C., on Saturday afternoon, according to the National Weather Service.
Saturday was also a record tenth straight day that temperatures had hit 95 degrees or higher in the Washington area.
"An excessive heat warningg is in effect until 10 p.m this evening," the Weather Service said of the Washington, D.C.-Baltimore, Md. area. "Heat indices will be around 110 degrees."
"There is a slight risk of severe thunderstorms across the northern portions of the area tonight," said the Weather Service. "A few thunderstorms will be capable of producing damagin wind gusts and large hail."
The Weather Service said that on Sunday, "heat indices up to 105 are exptected. A cold front will push southward across the Atlantic Sunday into Sunday night. Showers and thunderstorms are expected along and ahead of the boundary. Especially Sunday afternoon and evening. Thunderstorms will be capable of producin damaging winds and large hail."