Scorching temperatures that baked Southern California over Labor Day weekend will continue this week paired with thunderstorms and lightning strikes that will heighten fire risks across much of the state.

Forecasters predict the increase in moisture will bring a 30 to 50% chance of thunderstorms in the Antelope Valley and San Gabriel Mountains.

Friday is expected to bring another day of below-average temperatures for Northern California, as temperatures are likely to continue to slowly drop this weekend.

High winds sending roof shingles and patio furniture flying blew in on the coattails of thunderstorms that struck the Sacramento area.

LOS ANGELES - While the Labor Day holiday marked the unofficial end of summer, hot temperatures will continue to dominate in Southern California over the next few days. The desert Southwest is currently experiencing dynamic weather conditions with extreme heat and storm activity.

Lorena has weakened to a tropical storm, but forecasters warn of life-threatening flash flooding and mudslides in parts of Mexico's Baja California peninsula. The U.S.

A tropical storm churning in the Pacific is bringing unusual weather to parts of California this week, while the Bay Area is expected to see slightly elevated temperatures over the Labor Day weekend.

The Northwest Wildland Fire Fighting Compact facilitates sharing of firefighting resources and technology amongst U.S. and Canadian members — now including California — during emergencies.