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 >
Chicago, IL
Weather Forecast Office
Overview
.png) |
| 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. |
|
 |
| 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
Events​
NWS Chicago Science and Past Events Page
Hazards
Enhanced Hazardous Weather Outlook
Hazardous Weather Outlook
National Briefing
Skywarn
Outlooks
Watch/Warning/Advisory Criteria
Snow Squall Warnings
Local Forecasts
Text Products
Aviation
Marine
Fire
Enhanced Data Display (EDD)
Great Lakes Marine Portal
Lake Michigan Beach Forecast
El Nino
Snow and Ice Probabilities
Past Weather
Stormdata
Holiday Climate Data
Climate Plots
Weather Event Write-Ups
Education
Jetstream
Student Opportunities
NWS Training Portal
Play Time for Kids
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Chicago, IL
333 West University Drive
Romeoville, IL 60446
815-834-1435 8am-8pm
Comments? Questions? Please Contact Us.
Follow us on Twitter
Follow us on Facebook
Follow us on YouTube
LOT RSS Feed