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Dangerous Heat Expands; Heavy Rainfall Threats; Fire Weather Concerns for the West

The heat will increase and expand across the Central Plains, Mississippi Valley, Southeast and into the Eastern U.S. through the week as high pressure builds across the eastern two-thirds of the country. On the northern periphery of this heat, the threat for severe thunderstorms and heavy rainfall across the northern Plains and upper Midwest through Tuesday. Critical Fire Weather for the west. Read More >

Overview

A series of disturbances associated with a persistent area of low pressure over the western half of the U.S. produced several rounds of heavy precipitation across western South Dakota and northeastern Wyoming, particularly near and east of the Black Hills and over the Cheyenne River and White River basins. This rainfall, coupled with saturated soils from a wet early spring and flooding over the previous week, led to impactful overland and river flooding across much of the area. 

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