The South was to see afternoon scattered showers and thunderstorms, with heavy downpours and lightning likely in the afternoon.
The Pacific Northwest was to remain dry, but slightly cooler.
The Southwest was to remain warm and dry Saturday, but was to become cooler as the weekend progresses.
Temperatures in the Lower 48 states on Friday ranged from a low of 19 degrees at Berthoud Pass, Colo., to a high of 105 degrees at Wink, Texas.