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Weather Underground Forecast for Friday, May 29, 2015
Active weather will persist over the central third of the country on Friday, while a blast of cold air will spread across the northern Plains.
A cold frontal boundary will move quickly eastward over the upper Midwest, the central Plains and the southern Plains. Warm, humid air from the Gulf of Mexico will collide with this frontal boundary, resulting in numerous areas of showers and thunderstorms. Stormy weather is expected over the Great Lakes, the upper Midwest, the Mississippi Valley, the Deep South and the Plains. Saturated soils and heavy rain will likely lead to flash flooding in eastern Texas, northwest Louisiana, Oklahoma and western Arkansas. There will also be threats of flash flooding in northern Illinois and southern Wisconsin. Just to the east, scattered showers and thunderstorms will be possible across the Ohio Valley, the Mid-Atlantic and parts of the Southeast. A cool air mass is expected to plunge southward over the northern Plains. High temperatures will range between the 50s and 60s across the region.
Out west, isolated showers and afternoon thunderstorms are expected to form over the Rockies and parts of the Pacific Northwest. Thunderstorms will be driven by daytime heating. A ridge of high pressure will keep conditions calm over the Southwest on Friday. Temperatures are forecast to rise into the triple digits across the Desert Southwest.