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It is also believed to be called the "Windy City" because of politicians in the area blowing hot air. In terms of climate, Chicago is slightly windier than the average American city. Average wind speeds range from 8 miles per hour (13 km/h) in summer to 12 miles per hour (19 km/h) in spring.
Recently, the wind speeds were re-examined and adjusted to a maximum official wind speed of 321 mph (516.6 km/h). [ 310 ] A DOW calculation of a subvortice of the 2013 El Reno tornado was estimated in a range of 257–336 mph (414–541 km/h) in 2024.
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 ]
On average, about 38% of the Lower 48 has snow on the ground on Christmas, according to 21 years of data compiled by the NOHRSC. Since 2003, those percentages have varied widely from year to year ...
Extremely cold Tuesday night with wind chills bringing temperatures down to -35 to -50. A Wind Chill Warning is in effect beginning at 6 p.m. until Thursday morning.
CHICAGO - Skies will be mostly cloudy tonight with steady temperatures in the 20s and wind chills in the low teens. South-southwest winds are expected to pick up, gusting as high as 30 mph. A cold ...
The fastest wind speed not related to tornadoes ever recorded was during the passage of Tropical Cyclone Olivia on 10 April 1996: an automatic weather station on Barrow Island, Australia, registered a maximum wind gust of 113.3 m/s (408 km/h; 253 mph; 220.2 kn; 372 ft/s) [6] [7] The wind gust was evaluated by the WMO Evaluation Panel, who found ...
312 Chicago - City (The Loop and central neighborhoods, e.g. the Near North Side) 773 Chicago - City (Everywhere else within the city limits, excluding central area) 872 Chicago - City (overlay for 312 & 773, effective November 7, 2009) 847/224 (North and Northwest Suburbs) 630/331 (Outer Western Suburbs) 708 (South and Near West Suburbs)