The core of the heat sweltering the western part of the United States will slowly shift inland into mid-September, but it will take until early next week before coastal areas of Southern California ...

GET THE FREE ACCUWEATHER APP Farther south, downtown San Francisco hasn't been as affected by the heat wave and will not experience much of a cooldown as the pattern sets in. Highs will be in the ...

Extreme late-season heat is plaguing the West Coast from Los Angeles to Seattle with heat alerts issued for more than 65 million Americans across six states.

GET THE FREE ACCUWEATHER APP Farther south, downtown San Francisco hasn't been as affected by the heat wave and will not experience much of a cooldown as the pattern sets in ... upward farther inland ...

Farther south, downtown San Francisco hasn't been as affected by the heat wave and will not experience much of a cooldown as the pattern sets in ... inland over the West for a time this weekend ...

September is keeping summer going strong with heat warnings expected to cover 26 million people, mostly in the Southwest, by ...

A potentially record-setting heat wave is expected ... away from the coast." Summer heat isn't finished yet for parts of the country post-Labor Day. Dangerous #heat is forecast to build throughout the ...

A potentially record-setting heat wave is expected to drive temperatures across the western U.S. into the triple digits as it builds this week, triggering warnings as authorities set up cooling ...