NEW : Wednesday will be either hot or wet for 19 regions of country . NEW Still sweating in the West . : Extreme heat will continue in The Pacific Northwest , but rain will drench Southeast . Southwest will get a break from blazing temperatures . Nevada 's massive wildfire could get rain , but also wind gusts and lightning .
NEW : Wednesday will be either hot or wet for 19 regions of country . NEW : Extreme heat will continue in The Pacific Northwest , but rain will drench Southeast . Southwest will get a break from blazing temperatures . Nevada 's massive wildfire could get rain , but also wind gusts and lightning .