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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 ]
Average wind speeds "blowing off the prairie" are greater in the Chicago area. Statewide, the wind speeds average 8 to 12 miles per hour (13 to 19 km/h), and is greater in the winter than in summer. Snowfall averages 30 inches (760 mm) in the north and 10 inches (250 mm) in the south, although the actual snowfalls vary greatly by year.
Wind power in Illinois provided nearly 10% of the state's generated electrical power in 2020 powering 1,231,900 homes. [1] At the end of 2020, Illinois had 6,300 megawatts (MW) of wind power installed, ranking fifth among states for installed wind turbine capacity. [ 2 ]
Recently, the wind speeds were re-examined and adjusted to a maximum official wind speed of 321 mph (516.6 km/h). [ 313 ] 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 annual wind power distribution for Illinois, 50 m (160 ft) height above ground (2009) Illinois has seen growing interest in the use of wind power for electrical generation. [ 170 ] Most of Illinois was rated in 2009 as "marginal or fair" for wind energy production by the U.S. Department of Energy , with some western sections rated "good ...
The highest recorded average price of regular gas was in June 2022 at $5.06 per gallon. ... California saw the biggest increase in the cost of gas compared to any other state. Gas prices rose $0. ...
You'll likely be paying less this year to fill up your tank across Illinois. Good news. Illinois drivers hitting the road for Christmas likely paying less at the pump
Many suburban, exurban and rural locations have all-time records that have surpassed 110 °F (43 °C), many of which were set during a heat wave in July 1936, when a massive heat wave engulfed the entire Chicago and northern Illinois region, resulting in eight consecutive days at or above 100 °F (38 °C) at Midway Airport, peaking at 107 °F ...