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Weather Underground Forecast for Tuesday, August 04, 2015

A cold front will dip southward over the Midwest on Tuesday, while a separate frontal boundary will shift across the Northwest.

A cold front will extend from the central Plains to the Northeast. As this frontal boundary dips south southeastward, it will initiate disorganized showers and thunderstorms across the central Plains, the middle Mississippi Valley, the Tennessee Valley, the Ohio Valley, the northern Mid-Atlantic and New England. Locally heavy rain will be possible over the central Plains, which could bring flash flooding to northeast Oklahoma, southeast Kansas and west central Missouri. Temperatures will also drop 5 to 10 degrees below normal over the upper Midwest and the Great Lakes region on Tuesday.

Meanwhile, a trough of low pressure will linger over the Southeast. Rain and thunderstorms will likely develop over the Gulf Coast, the Southeast and the southern Mid-Atlantic.

Out west, a cold frontal boundary will shift southeastward over the Northwest. This frontal boundary will bring a cool down to western Washington and western Oregon on Tuesday. In addition, showers and thunderstorms are expected to develop over the Pacific Northwest, the northern Great Basin and the upper Intermountain West. High pressure will bring warm, dry conditions to the Southwest. High temperatures are forecast to range between 110 to 120 degrees across the southern California and Arizona deserts.


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