Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

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

High heat and humidity, combined with a cold front moving our way is bringing another chance for severe weather Friday night.

Stay safe in this sweltering heat, New Jersey. Here's the latest today, from heat maps, advisories and warnings, to when ...

The National Weather Service is warning of the possibility of 30 mph winds and pea-sized hail in Amador County on Monday ...

The colors make it visibly clear how likely a system could develop, with yellow being low, orange medium, and red high. The ...

Severe Thunderstorm Warning issued for multiple Northeast Ohio counties on Thursday, June 26. Stay weather aware for the rest ...

A heat dome is causing high temperatures across Tennessee, with heat advisories issued for much of the state. Heat-related ...

A severe thunderstorm warning has expired for four Lowcountry counties after storms that prompted the warning weakened.

Storms were moving out of Alabama on Thursday morning after a stormy day and overnight on Wednesday. Parts of south and north ...

Both alerts mean it’s dangerously hot. Both are signals to take immediate action to protect yourself from heat-related illnesses like heat exhaustion and heat stroke. Criteria can be lowered if it's ...

High temperatures in the 90s to 100s will break numerous records over the next several days, the National Weather Service said.