Saturday's (October 4th) morning low temperatures in the Chicagoland area have not been experienced
since last May. A few Far Western Counties also experienced their 1st insignificant patchy frost.
Overnite
Location Temp Last Occurrence
O'Hare 39º May 10th 38º which was 148 days ago or 4 months and 25 days (a saturday)
Midway 42º May 19th 42º which was 139 days ago or 4 months and 16 days (a monday)
Aurora 33º May 4th 33º which was 154 days ago or 5 months and 1 day (a sunday)
Rockford 36º
** see note May 4th 35º which was 154 days ago or 5 months and 1 day (a sunday)
W. Chicago 35º May 4th 35º which was 154 days ago or 5 months and 1 day (a sunday)
Oak Brook 39º May 19th 37º which was 139 days ago or 4 months and 16 days (a monday)
Waukegan 36º May 19th 35º which was 139 days ago or 4 months and 16 days (a monday)
Aurora 33º May 4th 33º which was 154 days ago or 5 months and 1 day (a sunday)
*note -> Rockford experienced an overnight low temperature of 36° on October 2nd 2008 (2 days ago)