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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 >

 

Overview & Graphics

 

 

Seasonal Climate Summary: near normal temperatures areawide but precipitation differences with Rockford seeing above average rainfall while Chicago and northwest Indiana was below normal August Climate Summary: near normal temperatures areawide with differences in precipitation. Above normal precipitation fell across Rockford and northwestern Illinois while the Chicago area and northwest Indiana had below normal rainfall

Summer 2022 was close to normal across northeastern Illinois and northwest Indiana in terms of temperatures. Precipitation was very different across the area with a below normal values over the Chicago metro and northwest Indiana, while the Rockford area and northwestern Illinois saw above normal precipitation this summer.

August 2022 saw near normal temperatures across northeastern Illinois and northwest Indiana, as these areas were around a half of a degree above normal. Precipitation was rather different across the area with below normal precipitation across the Chicago metro and northwestern Indiana and well above normal precipitation over the Rockford area.


 

Chicago and Rockford Summer 2022 Summary
 
...A Look Back at the Climate for Meteorological Summer (June, July,
August) 2022 for Chicago and Rockford...

At Chicago, the average high temperature for the summer season was
83.0 degrees, which is 0.5 degrees above the 1991 to 2020 
average. The average low temperature was 64.8 degrees, which is 
0.7 degrees above normal. The mean temperature for the season was
73.9 degrees, which is 0.6 degrees above normal. A total of 9.21
inches of precipitation was recorded during this past summer, 
which is 2.85 inches below normal.

Records established or tied during the summer months: 

June:
* Record daily high temperature of 96 degrees on June 15th.

July: None.

August: None.


At Rockford, the average high temperature was 83.6 degrees, which
is 1.4 degree above normal. The average low temperature was 61.3 
degrees, which is 0.4 degrees below normal. The mean temperature 
for the season was 72.4 degrees, which is 0.5 degrees above 
normal. A total of 16.52 inches of precipitation was recorded 
during this past summer, which was 3.29 inches above normal. 

Records established or tied during the summer months: 

June:
* Tied the daily record high of 98 degrees on June 14th.
* Set the daily record high of 97 degrees on June 15th.
* Tied the daily high minimum temperature of 74 on June 15th.
* Tied the daily record low of 46 degrees on June 19th.
* Tied the daily record high of 100 degrees on June 21st. 

July: None.

August:
* Record daily rainfall of 3.23 inches on August 8th.
** 7th wettest August on record with 8.88 inches of precipitation.

Latest Seasonal Climate Report:   Chicago    |    Rockford
Chicago and Rockford August 2022 Summary
 
...A Look Back at the Climate for the Month of August 2022 for 
Chicago and Rockford...

At Chicago, the average high temperature was 83.0 degrees, which 
is 0.5 degrees above normal. The average low temperature was 65.7
degrees, which is 0.6 degrees above normal. The average 
temperature for the month was 74.4 degrees, which is 0.6 degrees 
above normal. During the month of August, 2.05 inches of 
precipitation were recorded, which is 2.20 inches below normal.

There were no records set during the month of August 2022 for 
Chicago.


At Rockford, the average high temperature was 82.4 degrees, which
is 0.4 degrees above normal. The average low temperature was 61.8
degrees, which is right at normal. The average temperature for 
the month was 72.1 degrees, which is 0.2 degrees above normal. 
During the month of August, 8.88 inches of precipitation were 
recorded, which is 4.69 inches above normal. 

There was one daily record for Rockford during the month of 
August 2022:
* Record daily precipitation of 3.23 inches on the 8th.

One Top Ten Monthly Record:
** Seventh wettest August on record since 1905 with 8.88 inches.

 

Latest Monthly Climate Report:   Chicago    |    Rockford

Events

  • August 29, 2022: Afternoon storms produce damaging winds, including 75+ mph in the Kankakee River Valley
  • August 28, 2022: Thunderstorms bring scattered wind damage to northern IL
  • August 7-8, 2022: Two rounds of heavy rain over 30 hours produce over 5" of rainfall and flash flooding
  • August 3, 2022: Afternoon thunderstorms produce localized damaging winds
  • July 22-23, 2022: Overnight storms produce hail, flooding, and three tornadoes in the Chicago metro
  • July 4-5, 2022: Multiple rounds of storms produce damaging winds and minor flooding in northern IL
  • June 13-15, 2022: Early summer heat episode; warmest in ten years for most of the area
  • June 13, 2022: Supercell storm brings a swath of severe wind damage and two tornadoes to the Chicago metro

​NWS Chicago Science and Past Events Page