this will be intense, long-lasting, and widespread. numerous record highs and lows fall this week. norah: plus as wildfires burn across california, the impact gusty winds could have on firefighting efforts. the cbs evening news starts now. more than 80% of the country is facing scorching temperatures from arizona to maine. good evening. i am norah o donnell, and thank you for being with us. some are one officially begin until thursday, but you would not know it if you are outside today and these sweltering conditions print talking about 265 million americans that will see temperatures hit 90 degrees this week. this massive heat wave covers nearly half of the country with 21 states under excessive heat warnings were advisories. heat and emergencies have already been declared in boston and right here in washington, d.c. and get this, more than 100 record highs are set to be challenged before the weekend. meanwhile, california has once again battling dangerous wildfire