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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

The period from August 12th-20th was a wet one across much of the region, with numerous rounds of thunderstorms with efficient rainfall rates.  Of particular note were the following dates:

  • August 12:  After morning storms, evening storms produce 2" to 5" along and just north of the I-55 corridor.
  • August 15:  Heavy rainfall of up to 3" to 5" in east central Illinois and northwest Indiana.
  • August 18 (early morning):  Dixon area sees 3" to 5+" of rain in the early morning hours.
  • August 18 (afternoon and night):  Parts of east central Illinois and northwest Indiana see 2" to 4" of rain.
Rainfall
August 7th-20th Rainfall
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