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

We're hitting peak heat wave today, with a handful of Michigan counties forecast to be the hottest places in the state.

The Lehigh Valley and much of eastern Pennsylvania are under an extreme heat warning with temperatures near 100 degrees ...

A heat dome is affecting much of the central and eastern U.S., creating high levels of heat and humidity. What to know in ...

Temperatures and humidity are climbing as the tri-state heads into a possibly record-shattering heat wave, where it could ...

Harford County is opening 11 cooling centers for those looking for a reprieve from the extreme heat in Maryland this week.

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

Each local National Weather Service office issues 3 different heat alerts to classify the appropriate level of risk posed by ...

PHOENIX (AZFamily) — A warm-up continues this weekend across Arizona as high pressure rebuilds over our region. The Valley ...

After days of heavy rainfall, clear skies on Friday will provide a chance to dry out ahead of a hot and humid weekend.

With New York under an extreme heat warning, the Mets took extra precautions Monday. Those included a later report time for ...

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