Roller coaster' of Bay Area temperatures is on an uptick, but severe dip awaits

"The heat Tuesday may not be the final round, either. Temperatures are expected to warm up into the mid to upper 90s in the hottest spots again by Friday, as more high pressure replaces the trough."

"We've definitely had bursts of heat at the end of September and the beginning of October in the past, Mehle said. So this is definitely not uncommon to have one last round of heat."

"I'm just going to be about 10-15 degrees cooler from Tuesday to Wednesday, Mehle said. That's not going to say Wednesday is going to be cold. It's just a return to normal temperatures."

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