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USA TODAY's detailed map lets you explore snowfall accumulation over the past 24, 48, and 72 hours. You can also check seasonal totals starting from Oct. 1. Updated multiple times daily, this tool ...
As of Thursday, the last time Chicago experienced measurable snowfall of 0.1 of an inch or more was earlier this year on March 15 when 1.8 inches fell. Though snow has fallen on five days since ...
The most snow Chicago has ever received in one season was 89.7 inches during 1978-79. The least — 9.8 inches — occurred in 1920-21. Here’s a look back at how our current snowfall compares ...
Seasonal snowfall in the city has ranged from 9.8 inches (24.9 cm) (in 1920–21) up to 89.7 in (228 cm) (in 1978–79), and the average annual snowfall in Chicago is 36 inches (91 cm). [27] Most winters produce many snow falls during the season in light accumulations of around 2 in (5.1 cm).
It was one of the largest Chicago snowstorms in history at the time, with 21 inches (53 cm) of snowfall in the two-day period. [1] Only 2 inches (5.1 cm) to 4 inches (10 cm) of snow was expected [2] but by the end of Sunday, January 14, the depth of snow on the ground peaked at 29 inches (74 cm). [3] The blizzard lasted for a total of 38 hours.
Normal annual snowfall exceeds 38 inches or 0.97 m in Chicago, while the southern portion of the state normally receives less than 14 inches or 0.36 m. [1] The highest temperature recorded in Illinois was 117 °F (47.2 °C), recorded on July 14, 1954, at East St. Louis , while the lowest temperature was −38 °F (−38.9 °C), recorded on ...
The area’s first measurable snowfall of the 2020 season recorded 0.7 inches of snow at O’Hare International Airport on Nov. 24, 2020, one week later than the city’s average first-snow date.
The regional snowfall index (RSI) is a system used by NOAA to assess the societal impact of winter storms in the United States. The system is a replacement for the Northeast snowfall impact scale (NESIS) system. Since its initiation, the NCDC has retroactively assigned RSI values to over 500 historical storms since 1900.