Looking ahead, for the remainder of Tuesday, a low-pressure system crossing the Appalachians will remain the focus for showers and thunderstorms in the Southeast, where rainfall could total 1 to 2 inches. Meanwhile, a developing storm over the Northwest will contribute to a gradual increase in shower activity—with 1- to 2-inch totals—across the nation’s northern tier as far east as the upper Midwest. In contrast, little or no rain will fall during the next 5 days in California, the Southwest, and the Mid-South. Elsewhere, late-week heat across the Plains will spread into the Midwest and Northeast during the weekend.
The 6- to 10-day outlook calls for near- to above-normal temperatures nationwide, with the greatest likelihood of hot weather expected across the northern Rockies and the Ohio Valley. Meanwhile, wetter-than-normal weather in the southern Rockies, Pacific Northeast, and much of the eastern one-third of the U.S. will contrast with near- to below-normal rainfall elsewhere.