The National Weather Service has issued a Fire Weather Watch for the northern San Joaquin Valley and the southern Mother Lode ...

Longmont should see highs in the 100s today with sunny skies, according to the National Weather Service. Today’s forecast ...

Boulder should see highs in the 90s today with sunny skies, according to the National Weather Service. Today’s forecast calls ...

The National Weather Service called the forecast for above-average temperatures "the first significant heat wave this season.

An extreme heat warning is in effect through 9 p.m. Sunday for three dozen counties in western Iowa, where heat index values ...

Temperatures in the valley are likely to dip starting Saturday, with Palm Springs expected to see a high of 97 degrees, while Indio could reach 99 degrees. Afternoon highs are forecasted to remain in ...

The National Weather Service issues excessive heat warnings when heat index values are set to reach or surpass 110 degrees ...

This weekend's hot weather will clash with a high swim risk along Lake Michigan beaches, the National Weather Service says.

Los Angeles' weather forecast includes patchy morning fog and sunny afternoons with highs in the mid-70s to low 80s.

An 'extreme heat watch' is in effect as the heat index is expected to skyrocket. Here's timing, updated heat index values, more.

"It has been a while since we have experienced extremely dangerous heat so the risk of heat-related illnesses will be ...

The National Weather Service in Buffalo forecast for Canandaigua on June 21 calls for the chance of showers and thunderstorms ...