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First frost dates are based on historical averages, but of course, weather is unpredictable. It's estimated that a frost may occur earlier than the given date 30% of the time.
Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... Snowfall maps, current alerts, weather warnings, ice forecasts and more ... The Weather Channel 13 hours ago First ...
Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... The Weather Channel 6 hours ago On Today's Date: The Great North Sea Flood Of 1953 Triggered A Sea Change In Europe ...
Get the Chicago, IL local weather forecast by the hour and the next 10 days.
The National Weather Service office of Chicago has one of the longest periods of official weather records, dating back to 1870, though all the 1870 and 1871 weather records taken at 181 West Washington Street were lost in the Great Chicago Fire. Of the two major airports located in Chicago, Midway Airport began observations in 1928, and O'Hare ...
The Army Signal Service established the first federal weather office in the region in Chicago on October 15, 1870. [2] During May 1894 the Chicago Weather Bureau was given a new forecast area extending from the Great Lakes region all the way to the Rocky Mountains. [2]
Average yearly precipitation for Illinois varies from 48 inches or 1,220 mm at the southern tip to 35 inches or 890 mm in the northern portion of the state. 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 ]
Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... USA TODAY 1 hour ago ... Snowfall maps, current alerts, weather warnings, ice forecasts and more ...