Monday evening storms – Heaviest rains in NW Indiana, but close-in Chicago area not far behind

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Strong thunderstorms dumped torrential downpours at several locations across the Chicago area Monday evening with greatest recorded totals over 3-inches in northwest Indiana – topping the list was 3.53-inches near Gary in Lake County Indiana.  Not far behind was 3.05 inches at Portage and 3.02 inches at Valparaiso.

In Illinois – Just south of Downers Grove in DuPage County 2.61 inches was recorded with several 2+ inch rainfalls in Cook and Will County.  Following  is a list of greatest 24-hour rainfall totals, and below that are blown-up maps showing rainfall distribution in heaviest-hit areas of northeast Illinois and northwest Indiana.

Northeast Illinois:

Downers Grove 0.9 miles south…..2.61
New Lenox…..2.50
Oak Forest…..2.36
Downers Grove 0.4 miles NE…..2.34

Northwest Indiana:

Gary 3.8 miles SE…..3.53
Valparaiso 6.2 miles NW…..3.02
Gary 4.8 miles NE…..2.93
Valparaiso 5.5 miles SW…2.75
Valparaiso 7.4 miles SW…2.61


Norheast Illnois…

Northwest Indiana…

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