Stories

Air quality officials have issued the first Spare the Air alert of the year for ozone in the Bay Area for Friday, when triple-digit inland temperatures are expected to combine with motor vehicle exhaust to create high levels of the harmful pollutant.

The Bay Area will endure the season’s first mini-heat wave at the end of this week, with temperatures topping 100 degrees in some inland areas.

The next few days will see seasonable weather around the region, but temps will ramp up by Friday and bring elevated heat and fire risk, forecasters said.

The Weather Service issued the warning due to high wind speeds and humidity on Sunday and Monday, increasing risk for fire

Strong winds are expected to continue through early afternoon Monday in the East Bay hills and North Bay interior mountains, bringing fire concerns.

NBC Bay Area Chief Meteorologist examines how climate change is impacting snow in the Sierra.

Thousands of people are expected to make their way to San Francisco as the city is set to host its third annual SF Climate Week.

The Bay Area storm created a reason to visit the local peaks. NBC Bay Area’s Christie Smith found a few families atop Mount Diablo in Contra Costa County playing in a dusting of new snow. Watch the fun action in the video report above.

Heavy rain is expected to make its way back to the Bay Area on Friday after a storm system raged across the region on Wednesday.

The South Bay was hit the hardest by power outages on Wednesday as an atmospheric river made its way into the Bay Area.

San Ramon Valley Fire said that they were called to Alamo on Wednesday afternoon after a part of a tree fell down and damaged two cars.

A storm system rolling through the Bay Area Wednesday afternoon has triggered severe thunderstorm warnings in various parts of the region.

Use NBC Bay Area’s interactive radar to track the storm.