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Illinois averages around 50 days of thunderstorm activity a year which put it somewhat above average for number of thunderstorm days for the United States. Illinois is vulnerable to tornadoes with an average of 54 occurring annually, which puts much of the state at around 9.7 tornadoes per 10,000 square miles (30,000 km 2) annually.
Illinois. Wind chills of -15 to -25 are expected in Chicago according to the National Weather Service, with sub-zero lows expected on Sunday and Monday night. ... Lake effect snow is also expected ...
The amount of snow received at weather stations varies substantially from year to year. For example, the annual snowfall at Paradise Ranger Station in Mount Rainier National Park has been as little as 266 inches (680 cm) in 2014-2015 and as much as 1,122 inches (2,850 cm) in 1971–1972.
The National Weather Service in central Illinois is predicting the first cumulative snowfall of fall this weekend.. According to the forecast, the first measurable snow of the season is likely to ...
Temperatures in central Illinois are expected to drop dramatically beginning Wednesday, Nov. 20, and might be accompanied by snow. The Weather Channel expects high and low temperatures to drop ...
Historically, average snowfall ranges from about 10 inches (25.4 cm) in southern Illinois to 40 inches (100 cm) in northern Illinois. The change in annual snowfall amounts show no trends at all, with years being higher or lower than average. However, the season when snow is likely to fall has shrunk by about two weeks since the late 1970s. [5]
Illinois weather forecast: more snow this weekend According to NWS , very cold air and more snow are coming this weekend. Another winter storm brings a 50% chance of snow on Friday, Jan. 12.
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 ...