Two weather systems—a weakening cold front in the East and a storm system (interacting with the Southwestern monsoon circulation) crossing the Plains—will provide the focus for scattered to widespread showers and thunderstorms.

Showers associated with the Eastern front will diminish during the second half of the week.

Meanwhile, the trailing system will produce locally heavy rain (1 to 3 inches or more) across the Plains, Midwest, and mid-South. However, a few areas— including the southern Plains and the nation’s northern tier (e.g.

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