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Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. 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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