July 2021 Climate Summary

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 355 AM CDT Sun Aug 1 2021 /455 AM EDT Sun Aug 1 2021/ ...A Look Back at the Climate for the Month of July 2021 for Chicago and Rockford...

At Chicago, the average high temperature was 82.3 degrees, which is 2.2 degrees below normal. The average low temperature was 66.5 degrees, which is 0.1 degrees above normal. The average temperature for the month was 74.4 degrees, which is 1.0 degree below normal. During the month of July, 1.90 inches of precipitation were recorded, which is 1.81 inches below normal. There were no records set during the month of July 2021 for Chicago. At Rockford, the average high temperature was 84.4 degrees, which is 0.5 degrees above normal. The average low temperature was 65.2 degrees, which is 1.6 degrees above normal. The average temperature for the month was 74.8 degrees, which is 1.0 degrees above normal. During the month of August, 2.27 inches of precipitation were recorded, which is 1.54 inches below normal. There were no records set during the month of July 2021 for Rockford. $$