Advisories take effect this week as the heat index for most of Maryland is expected to reach up to 110 in the coming days.

New Jersey is in for one more day of very hot, humid weather on Wednesday that might include afternoon or evening rain and ...

The National Weather Service issued an extreme heat warning for a second day as the heat index surpasses 100. See how hot it ...

The National Weather Service has issued an extreme heat warning for most of Southern New England with the temperature ...

As a heat wave hits multiple U.S. states, some areas are have been placed under extreme heat watches and warnings.

Most of Long Island is under an extreme heat warning Tuesday as temperatures are expected to reach dangerous heat index ...

An Extreme Heat Warning is in effect for most of Southern New England except the Berkshires. Heat impacts are expected Sunday ...

CHICAGO (WLS) -- The Chicago area will be undergoing another day of extreme heat Monday. A National Weather Service Extreme ...

The National Weather Service warns this could be the most intense heat in over a decade, with little nighttime relief as ...

Philadelphia is under an extreme heat warning with heat index values up to 105 degrees, advising residents to stay cool and ...

The NWS has issued an extreme heat warning for central North Carolina, with heat index values possibly reaching 112 degrees, ...

An "extreme" heat warning has been issued for 16 U.S. states on Tuesday morning.The National Weather Service is warning 16 ...