March 2023 Climate Summary

Overview & Graphics
Monthly Summary
Events

Overview & Graphics

Climate summary graphic for March 2023. For Chicago (Oâ€™Hare) the average temperature was 38.8 degrees which was 0.2 degrees below normal, the total precipitation was 3.80 inches which was 1.35 inches above normal, and total snowfall was 1.8 inches which is 3.7 inches below normal. For Rockford the average temperature was 36.7 degrees which was 0.6 degrees below normal, the total precipitation was 3.30 inches which was 0.90 inches above normal, and total snowfall was 14.1 inches which is 9.2 inches above normal. Headline: March 2023 Review. Sub Headline: Near normal temperatures with above normal precipitation varied snowfall across the area. Graphic Created: Sunday, April 16, 2023 4:39 PM CDT

March 2023 Monthly Climate Summary Graphic

CoCoRaHS Observer Monthly Precipitation Summary

CoCoRaHS Observer Monthly Snowfall Summary

Chicago and Rockford Monthly Summary

Public Information Statement
National Weather Service Chicago IL
843 AM CDT Mon Apr 3 2023 /943 AM EDT Mon Apr 3 2023/

...A Look Back at the Climate for the Month of March 2023 for 
Chicago and Rockford...

At Chicago, the average high temperature was 46.0 degrees, which 
is 1.0 degrees below normal. The average low temperature was 31.6
degrees, which is 0.6 degrees above normal. The average temperature
for the month was 38.8 degrees, which is 0.2 degrees below 
normal. 3.80 inches of liquid precipitation were recorded, which 
is 1.35 inches above normal. 1.8 inches of snow were recorded, 
which is 3.7 inches below normal.

There were no daily or top ten monthly records set for Chicago
during the month of March 2023.

At Rockford, the average high temperature was 45.5 degrees, which
is 1.0 degrees below normal. The average low temperature was 27.9
degrees, which is 0.2 degrees below normal. The average temperature
for the month was 36.7 degrees, which is 0.6 degrees below 
normal. 3.30 inches of liquid precipitation were recorded, which 
is 0.90 inches above normal. 14.1 inches of snow were recorded, 
which is 9.2 inches above normal.

There were no daily or top ten monthly records set for Rockford
during the month of March 2023.

Latest Monthly Climate Report: Chicago | Rockford

Events

March 31, 2023: Regional severe weather outbreak produces numerous tornadoes
March 26, 2023: Strong to severe storms produce hail near and along the I-80 corridor
March 25, 2023: Winter storm brings significant snow accumulations to northwest Illinois
March 9-10, 2023: Winter storm produces up to over 9 inches of heavy wet snow in far northern Illinois
March 3, 2023: Thundersnow brings quick accumulations and strong winds south of I-80

NWS Chicago Science and Past Events Page