Dangerous Heat Timeline: Washington, D.C., Weather Forecast

For several hours Thursday afternoon, temperatures across most of the region will feel like it is more than 100 degrees outside.

A heat advisory will be in effect for the Interstate 95 corridor from noon until 8 p.m., due to the potential for heat illnesses, according to the National Weather Service.

The rest of the area will have a heat index, or "feels like" temperature, between the mid 90s and 100 degrees.

"Mostly sunny skies have allowed for temps to rise quickly this morning," according to a weather service statement.

There is a limited potential for thunderstorms Thursday afternoon, but any storms that do appear could bring heavy rainfall.

Here's the heat index timeline for Thursday, July 14:

11 a.m.: 97 degrees

noon: 99 degrees

1 p.m.: 101 degrees

3 p.m.: 103 degrees

6 p.m.: 102 degrees

7 p.m.: 98 degrees

8 p.m.: 94 degrees