Temps climb to 107 in Santa Rosa as heat wave begins across the Bay Area KTVU FOX 2 San Francisco4th of July heatwave is ‘exceptionally dangerous situation,’ NWS warns KRON4California heat wave: Here’s how hot temperatures will get in the San Francisco Bay Area – ABC7 San Francisco KGO-TVResidents rethink 4th of July plans as dangerous heat builds across SoCal KABC-TV