September 2018 Climate Review: Warm and Wet Across the Area

Fresh Snow and Temperature Outlook Ahead of Christmas Day

If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. Read More >

Public Information Statement National Weather Service Chicago IL 643 AM CDT Mon Oct 1 2018 /743 AM EDT Mon Oct 1 2018/ ...A Look Back at the Climate for the Month of September 2018 for Chicago and Rockford... At Chicago, the average high temperature was 77.5 degrees, which is 2.7 degrees above normal. The average low temperature was 60.4 degrees, which is 6.1 degrees above normal. The average temperature for the month was 69.0 degrees which is 4.4 degrees above normal. During the month of September, 3.65 inches of precipitation were recorded, which is 0.44 of an inch above normal. One record was set for Chicago for the month of September 2018: * Record daily warmest maximum temperature of 93 degrees on the 20th. No Top Ten Monthly Records. At Rockford, the average high temperature was 77.1 degrees, which is 1.7 degrees above normal. The average low temperature was 55.9 degrees, which is 3.5 degrees above normal. The average temperature for the month was 66.5 degrees, which is 2.6 degrees above normal. During the month of September, 5.57 inches of precipitation were recorded, which is 2.22 inches above normal. There were 2 records for Rockford for the month of September 2018: * Record daily precipitation of 1.72 inches on the 1st. * Tied record daily highest minimum temperature of 72 degrees on the 4th. No Top Ten Monthly Records. $$ ACS