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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 ...
Climate data for Chicago (Midway International Airport), 1991–2020 normals, [a] extremes 1928–present Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Record high °F (°C)
Ivan Brunk, meteorologist in charge of the Chicago U.S. Weather Bureau (now National Weather Service) office at that time, suggested that the radio service be reinstated and put to Marine usage on an experimental basis. The marine weather broadcast was an immediate success, and the service became permanent two years later.
Before the weather swing Tuesday, people across Chicagoland enjoyed mid-70 degree temperatures registered at both Chicago airports. But by late afternoon, the threat of severe weather woke many ...
National Weather Service officials are expecting temperatures in the low 90s Tuesday with the possibility of isolated thunderstorms in the afternoon hours. Afternoon conditions at O’Hare ...
Temperatures at or above the century mark are a rarity in Chicago. Yet, 100 degrees was recorded on Thursday for the first time in more than a decade at O’Hare International Airport, the city ...
As a result, the official record-lowest temperature for the state was −36 °F (−37.8 °C) recorded at Congerville on 5 January 1999. [11] In 2019, the January North American Cold Wave struck Illinois. This resulted in a new record low temperature, −38 °F (−38.9 °C), recorded on January 31, 2019, at Mount Carroll.
This is a list of cities by average temperature (monthly and yearly). The temperatures listed are averages of the daily highs and lows. Thus, the actual daytime temperature in a given month may be considerably higher than the temperature listed here, depending on how large the difference between daily highs and lows is.