As the San Francisco Bay Area enters the seventh day of a historic heat wave, forecasters are warning people to drink plenty of water and stay inside if possible due to persisting “dangerously hot” conditions.

More scorching temperatures were expected across much of the Bay Area on Sunday with conditions predicted to cool down Monday, meteorologists said. The National Weather Service extended excessive heat warnings for several Bay Area counties,

Heat records were matched or broken Sunday across the Bay Area and beyond, surpassing temperatures from a heat wave that hit nearly 100 years ago, according to the National Weather Service.