Niner fans were ready for battle at Levi's Stadium but many were not expecting unsportsmanlike conduct from the weather.

Two weeks after faltering on the road to the Los Angeles Rams, the 49ers blew another 10-point lead and exited with a 24-23 ...

Two weeks after faltering on the road to the Los Angeles Rams, the 49ers blew another 10-point lead and exited with a 24-23 ...

Shadrack Kimining, 28, of Kenya, and Molly Bookmyer, 33, of Ohio, took first place in the 26.2-mile race from downtown ...

Previous record highs in the city of Napa, as well in the city of Santa Rosa — both made in 1980 — were either tied or broken ...

In anticipation of the heat, the 49ers sought a wardrobe change, but the NFL this week denied the team’s request to wear ...

As the San Francisco Bay Area enters the seventh day of a historic heat wave, forecasters are warning people to drink plenty ...

Northern California's heat wave is expected to continue, with a Heat Advisory potentially extending into Monday and cooling ...

The Bay Area roasted under more scorching temperatures Sunday, but conditions predicted to cool down Monday, meteorologists ...

As a brutal heat wave continued in the Bay Area Sunday, officials issued an alert urging residents and people attending a popular San Francisco music festival to exercise heat safety.

Southern California faces a heatwave with inland temperatures reaching up to 103 degrees and an Excessive Heat Warning in ...

Marine heatwaves, lasting from days to years, harm ecosystems, tourism, and fisheries. New research explores heatwave ...