Rains to organize in the upper Midwest

A slow-moving storm system will become better organized over the western U.S. before emerging at midweek across the central Plains. The low-pressure system will subsequently cross the upper Great Lakes region by late Thursday. Along the storm’s trailing cold front, showers and locally severe thunderstorms will affect portions of the Plains and upper Midwest. Late in the week, a second system in the wake of the initial storm will result in additional rainfall in the nation’s mid-section, particularly across the central and southern Plains and the mid-South. Five-day rainfall totals could reach 1 to 4 inches from the southern Plains into the upper Great Lakes region, while similar amounts can be expected in the Northwest. In contrast, little or no precipitation should fall across the Desert Southwest and the lower Southeast. Meanwhile, a strong push of cool air will engulf the western and central U.S., while warmth will prevail in the East.

Looking ahead, the 6- to 10-day outlook calls for the likelihood of above-normal temperatures in the eastern and western U.S., while cooler-than-normal conditions can be expected across the nation’s mid-section. Meanwhile, near- to above-normal precipitation across most of the country will contrast with drier-than-normal weather across the northern High Plains and the Northwest.

NOAA’s 6- to 10- Day Outlook

NOAA’s 8- to 14- Day Outlook



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