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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Overview

Scattered thunderstorms quickly became numerous along the I-88 corridor on the early afternoon of Friday, July 29th.  These were extremely slow moving, leading to large totals in a short amount of time.  With antecedent wet conditions, this rainfall brought flash flooding to DeKalb, Kane, DuPage, and Cook Counties.  Some of the flooding persisted into the day after.  In addition, the DuPage River at Bolingbrook reached a top 10 crest in its ~20 year period of record.

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Rainfall Estimated from Bias-Corrected Radar
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Additional recaps can be found on the NWS Chicago Past Events Page
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