Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >
Overview
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| September 2024 featured above normal temperatures and ended up tying 1908 and 1960 for the 2nd warmest September on record in Chicago. The month was also fairly dry across the region, with Chicago and Rockford finishing with below normal precipitation totals. |
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| Some context as to why September 2024 was so warm, particularly in the city of Chicago |
CoCoRaHS Observer Monthly Precipitation Summary
Chicago and Rockford Monthly Summary
Public Information Statement National Weather Service Chicago IL 846 AM CDT Tue Oct 1 2024 /946 AM EDT Tue Oct 1 2024/ ...A Look Back at the Climate for the Month of September 2024 for Chicago and Rockford... At Chicago, the average high temperature was 80.3 degrees, which is 4.8 degrees above normal. The average low temperature was 60.9 degrees, which is 3.8 degrees above normal. The average temperature for the month was 70.6 degrees, which is 4.3 degrees above normal. 1.32 inches of liquid precipitation were recorded, which is 1.87 inches below normal. No daily records were set for Chicago during this past September. The following top ten monthly record was tied for Chicago this past September: ** Tied second warmest September on record with 1908 and 1960. At Rockford, the average high temperature was 80.7 degrees, which is 5.4 degrees above normal. The average low temperature was 53.3 degrees, which is 0.2 degrees below normal. The average temperature for the month was 67.0 degrees, which is 2.6 degrees above normal. 2.05 inches of liquid precipitation were recorded, which is 1.57 inches below normal. No daily or top ten monthly records were set for Rockford during this past September. $$
Latest Monthly Climate Report: Chicago | Rockford
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