To the west of Fay, southwestern Texas was expected to see showers and thunderstorms as an area of low pressure moves into the state.
Showers and thunderstorms were also forecast for the Upper Mississippi Valley down into the Central Plains as a cold front pushes through the region.
The Pacific Northwest and Northern Plains were expected to remain dry and see warmer temperatures.
Hot, dry weather was forecast for the West and Southwest.
Temperatures in the Lower 48 states Friday ranged from a low of 25 degrees at Stanley, Idaho, to a high of 116 degrees at Death Valley, Calif.