-- Thunderstorms stretched from the Ohio Valley to the mid-Atlantic early Monday, while more storms crashed over the northern Rockies and the Pacific Northwest.
Rain showers and strong to severe thunderstorms were forecast to sweep across parts of the Tennessee Valley and the mid-Atlantic, with the strongest capable of producing strong winds, large hail and isolated tornadoes.
High pressure over the Great Lakes was creating mostly sunny to partly cloudy skies and dry conditions across the Northeast, the Great Lakes and the Ohio Valley.
Storms also were forecast to push into the northern and central Plains, producing scattered rain showers and strong to severe thunderstorms. Rainfall amounts of three-quarters of an inch were possible.
In the West, rain showers, isolated thunderstorms and high elevation snows were expected across much of the region.
Mostly sunny skies and breezy conditions were to prevail over southern California, the Desert Southwest and the central and southern high Plains. Much of the Southeast also was to stay hot and dry.
High temperatures Monday were forecast to reach into the 50s and 60s across the Northeast, the Great Lakes, northern Rocky Mountains, Pacific Northwest and the Ohio Valley; the 70s and lower 80s across the Tennessee Valley, northern Plains and mid-Atlantic; and the 80s and lower 90s in the Southeast, Southwest, central and southern Plains and Florida.
Temperatures in the Lower 48 states on Sunday ranged from a low of 20° at Alamosa, Colorado, to a high of 103° at Laredo, Texas
