July 2021 Climate Summary

Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. 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. $$