A brewing storm threatens Northern California, as rising temperatures and looming thunderstorms set the stage for a potentially fiery weekend.

The National Weather Service warns of "the most significant heat wave of the summer season" in parts of California. Elevated fire danger is predicted from heat and thunderstorms.

The recent string of comfortable summer temperatures appears to be coming to an end as a major heat wave is set to arrive in ...

The atmospheric river will dissipate over far Northern California this weekend, bringing storms to Shasta. No rain, but ...

Yosemite and Upper San Joaquin River are the focus of an updated weather alert for strong thunderstorms issued at 3:24 p.m.