A massive wildfire on Monday was threatening hundreds of homes in central California, burning through Los Padres National Forest.

Having breathing trouble today? Canadian wildfire smoke is drifting across Ohio today, dropping the air quality in parts of the state. What to know.

Tuesday night is when the high pressure system shifts to the east, the NWS says. This should allow south winds to return, which should usher out the smoke. But then it will bring on more heat and humidity. So get ready to turn your AC back on.