After a brief respite from the cold, temperatures will dip back into the 30s Saturday, before returning to milder highs nearing the low 40s early next week.
Another weak front is forecast to move through on Saturday with a period of snow possible.
"There are no big snows for Chicago," AccuWeather Meteorologist Erik Pindrock said, adding that there will be no major accumulations.
By Sunday, temperatures will crawl back into the low 40s with a mix of sun and clouds.
Nighttime lows will also increase with highs hovering in the low 30s.
Monday will be the warmest day with a daytime high approaching the low 50s.
Late in the week, temperatures will drop by a few degrees with a chance for showers Wednesday. Temperatures will remain steady through much of the week with highs in the low 40s.
Drenching and locally severe thunderstorms impacted portions of the mid-Atlantic on Thursday.
As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave.
Rounds of showers and thunderstorms moving westward off the coast of Africa may pave the way for future tropical systems over the Atlantic Ocean in the weeks ahead.
Highs will run between 10 and 15 degrees Fahrenheit above average across much of the interior western United States into the upcoming weekend.
A budding tropical system threatens to bring flooding rain to the Philippines into this weekend with potential future impacts on China and Taiwan.
The heat felt across the United Kingdom during the middle of July has faded and is not expected to return through at least the first week of August.
Mt. Washington, NH (1989)
34 degrees with a 45-mph wind gust (minus 6 degrees wind chill temperature).
Otterbein, IN (1990)
A total of 2" of rain in 40 minutes (10 miles west of Lafayette).
Southern CA (1991)
Torrid heat: 120 at Borrego Springs; 119 at Death Valley and Palm Springs.