Twelve years later, Opening Day for the Chicago White Sox was postponed due to another 9-inch (23 cm) snowfall that had occurred on April 5. Though rare, triple-digit heat has occurred in late May at Midway Airport and in outlying suburban locations. The weather over the last week has been about as boring as it gets. temperatures in Â°F, Average max. I know I sure am. Temperatures drop to or below 0 Â°F (â18 Â°C) on 5.5 nights annually at Midway and 8.2 nights at O'Hare and up to 10â14 nights in some far western and northern suburbs, although subzero (Â°F) readings in the absence of snow cover are rare.  The greatest amount of precipitation that fell in a 24 hour period was 9.35 in (237.5 mm) on August 13â14, 1987. That event also set the records for heaviest 6 and 12 hour rainfall amounts and contributed to August 1987's record rainfall. The sky sometimes has its limits, according to new research from two University of Chicago atmospheric scientists. Annual precipitation in Chicago is moderate and relatively evenly distributed, the driest months being January and February and the wettest July and August. Type at least three characters to start auto complete. During such strong heat waves, the outlying suburban areas can record temperatures more than 5 Â°F (2.8 Â°C) above city and lakeshore locations. Cities on the other side of Lake Michigan usually receive more snow than Chicago because of the lake-effect snow that falls on these communities, even though northeasterly winds can sometimes bring lake-effect snow to Chicago area too. Conversely, on the other extreme, temperatures can on a rare basis remain above 80 Â°F (27 Â°C) overnight, though this level of overnight warmth is generally limited to the city proper with its urban heat island effects along with Lake Michigan nearby. Chicago, IL Weather. A overall shift in the positioning of the jet stream will begin to take shape this Friday into the weekend. Forces Evacuations (PHOTOS), Breathtaking Photos of the Coldest City in the World, Here's Why Your Cold Might Not Be Going Away, Flu and COVID-19: Similarities and Differences, Check Our Interactive Map and Informational Hub, Democratic Republic of the Congo | FranÃ§ais, State of Vatican City (Holy See) | Italiano. Weather data from Midway Airport before July 1, 1942, and after January 16, 1980, and data from O'Hare Airport before January 17, 1980, are not part of the official climate record of Chicago. "Precipitation Rankings for January for Chicago, Illinois", "February Precipitation Rankings for Chicago, IL", "July Precipitation Amounts for Chicago, IL", "August Precipitation Amounts for Chicago, IL", "History of the Chicago and Rockford weather observation sites", "Chicago, Illinois KÃ¶ppen Climate Classification (Weatherbase)", "GLOBAL ECOLOGICAL ZONING FOR THE GLOBAL FOREST RESOURCES ASSESSMENT 2000", "Top 20 Weather Events of the Century for Chicago and Northeast Illinois 1900â1999", "Chicago, IL - Detailed climate information and monthly weather forecast", https://www.weather.gov/lot/observation_history, National Oceanic and Atmospheric Administration, "Chicago/O'Hare, IL Climate Normals 1961-1990", "1981â2010 Normals â Data Tools â Climate Data Online (CDO) â National Climatic Data Center (NCDC)", "Sub-zero temperatures end 711-day streak Tuesday â Philadelphia News, Weather and Sports from WTFX FOX 29", https://abc7chicago.com/weather/chicago-weather-polar-vortex-brings-record-cold-wind-chill-warning-in-effect/5114090/, https://abc7chicago.com/weather/steam-rises-off-lake-michigan-in-chicago-as-temps-plunge/5113047/, https://www.nytimes.com/2019/01/30/us/extreme-cold-weather.html, "How cold is it? On a typical summer day, humidity is usually moderately high, and temperatures ordinarily reach anywhere between 78 and 92 Â°F (26 and 33 Â°C). Temperatures near the immediate lakeshore can be a few degrees warmer than in outlying areas, especially during nighttime due to the delayed effects of cooler temperatures on the large body of water. NOAA National Weather Service National Weather Service. Chicago Weather Forecasts. In that heat wave, temperatures at the lake remained in the middle and upper 90s Fahrenheit (middle 30s Celsius), whereas Midway Airport recorded temperatures over 100 Â°F (38 Â°C) for nearly two weeks, peaking at 107 Â°F (42 Â°C) on July 11.  On July 29, 1916, the low temperature sank to only 85 Â°F (29 Â°C). Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Chicago â¦ The warming effect of Lake Michigan during the winter makes subzero temperatures somewhat less common on the lakefront than in the more inland parts of the city. Wettest Year: 2008 with 50.86" Driest Year: 1962 with 22.22" Wettest Month: August 1987 with 17.10" Driest Month: September 1979 with 0.01" This is just an average, because most winters produce only a few snow falls during the season. Although extremely rare, temperatures at or above 70 Â°F (21 Â°C) have been recorded into early December, most recently in 2012 when 70 Â°F (21 Â°C) was recorded on December 3, some surrounding areas reaching temperatures as high as 72 Â°F (22 Â°C) to 75 Â°F (24 Â°C). The highest temperature recorded during the meteorological autumn months of September, October, and November is 101 Â°F (38 Â°C), set on back to back days, September 1â2, 1953, closely followed by Chicago's latest 100 Â°F (38 Â°C) on September 7, 1960. The largest snowstorm before the winter solstice dropped 14.8 inches (380 mm) at Midway Airport in December 1929. Current weather in Chicago and forecast for today, tomorrow, and next 14 days Surface Analysis. It is believed to have been created by a New York newspaper writer deriding Chicagoans' bluster as they promoted their city as the site of the 1893 Columbian Exposition. It was the first time in 65 years that Chicago had ever seen a triad of 100 Â°F (38 Â°C) days.  Differing wind direction on either side of the thermal dividing line allows for sharp updrafts under certain conditions, favorable to thunderstorm development. Historical or past weather forecast page provides historical weather forecast from 1 st July, 2008 till now in 3 hourly interval. As May dawns, Chicago residents finally start to put away their scarves and winter coats, but this year, those items have remained out as the Windy City deals with a remarkable run of chilly weather. Overnight temperatures in summer usually drop to around 65â70 Â°F (18â21 Â°C), although even in July and August there can be several nights where the temperature drops below 60 Â°F (16 Â°C), particularly during the cooler summers. (Although probably not the change most are looking for). Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.  The driest month on record has been September 1979 with a mere 0.01 in (0.25 mm) of rainfall, while the wettest is August 1987 with 17.10 in (434 mm) of rainfall; annual precipitation has ranged from 22.22 in (564 mm) in 1962 to 50.86 in (1,292 mm) in 2008.. The northeastern part of the state (which borders Lake Michigan) is the only area that experiences weather patterns inconsistent to those of the rest of the state. Offshore or land breezes shutdown the lake breeze and can have the opposite effect, with over lake convection occurring, usually in mid- to late summer and autumn. The northeastern part of the state (which borders Lake Michigan) is the only area that experiences weather patterns inconsistent to those of the rest of the state. The last couple of 80 Â°F (27 Â°C) days in this record-breaking stretch of warmth occurred after the vernal equinox. Of the two major airports located in Chicago, Midway Airport began observations in 1928, and O'Hare Airport began them in 1958. Find current hourly conditions, weather alerts, weekly forecasts and Chicago weather photos. London New York City Hong Kong Paris Singapore Shanghai Tokyo Beijing Sydney Dubai Chicago Mumbai Milan Moscow São Paulo Toronto Los Angeles Madrid Mexico City Amsterdam Kuala Lumpur San Francisco Minneapolis Stockholm In Chicago, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.. Chicago weather averages and climate Chicago, Illinois. Temperatures have reached 100 Â°F (38 Â°C) as late as September 7 (with 99 Â°F (37 Â°C) occurring as late as September 29), and temperatures have reached 90 Â°F (32 Â°C) as late as October 6, which occurred in 1963, with a temperature of 94 Â°F (34 Â°C) on that day. The highest temperature ever recorded in the Chicago city limits is an unofficial 109 Â°F (43 Â°C) on July 24, 1934, at Midway Airport. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph. In 2012, there were eight days in the month of March with temperatures 80 Â°F (27 Â°C)+ (with a ninth day occurring in many suburban areas) during the record-breaking March 2012 North American heat wave. As the winter solstice nears, the threat of a major winter or snowstorm grows, and there have been major winter storms around the Thanksgiving holiday, causing major delays at the city's two major airports. The official reading of 105 Â°F (41 Â°C) for that day was taken at the University of Chicago campus near the shoreline off Lake Michigan. Anyone ready for a pattern change? Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. Hourly. CHICAGO (CBS)– After a snowy evening, sunshine returns. See current wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. The Old Farmer's Almanac's extended forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to gardening, hiking, and other outdoor activities. Chicago 29 ° Sponsored By. and min. The Typical Weather Anywhere on Earth Get monthly, daily, and hourly graphical reports. During thunderstorms lightning strikes are seen to frequently hit Chicago's skyscrapers. This winter weather outlook follows a classic moderate La Nina pattern. NOAA predicts La Niña weather pattern for winter season 4 months 1 week 2 days ago Thursday, September 10 2020 Sep 10, 2020 September 10, 2020 6:08 PM September 10, 2020 in News - … Highs reach 50 Â°F (10 Â°C) an average of 8.8 days each winter from December to February at Midway.  Most winters produce many snow falls during the season in light accumulations of around 2 in (5.1 cm). Early in the month, the afternoon temperatures are still pleasant reaching into the upper 60s f â¦ In July 2012, during the 2012 North American heat wave, Chicago reached and exceeded 100 Â°F (38 Â°C) for three consecutive days at O'Hare Airport with highs reaching 103 Â°F (39 Â°C) in the city and many suburban areas recording temperatures between 105 and 110 Â°F (41 and 43 Â°C). This will put most of our area in the deformation zone of this system, where snow will develop. Climate is the long-term average of the weather in a given place. On the other hand, large snowfalls can also occur in late March and in early April. Summer is both the rainiest and sunniest season here; only the three months of June through August experience more than 65% of possible sunshine.. However, like much of the northern USA, can vary tremendously within the span of one week. On such warm nights, especially during strong heat waves, most suburban locations drop down to between 75 and 79 Â°F (24 and 26 Â°C) but quickly rebound in the early morning hours. Radar. The lowest temperature recorded during the meteorological autumn months is â2 Â°F (â19 Â°C), set on November 29, 1872 and tied on November 24, 1950. Recently searched locations will be displayed if there is no search query. Temperatures can vary wildly within the span of one week, but temperatures can often stay below freezing for several continues days or even weeks in January and February. The first freeze of the season on average occurs on October 24 at Midway and 11 days earlier at O'Hare. (This is where the oft-repeated weather-forecast phrase âcooler by the lake" comes from.) The average Chicago winter produces 94 cm (38 inches) of snow. The greatest 24-hour precipitation, in a single calendar day, was 6.86 in (174.2 mm) at O'Hare on July 23, 2011,. It is also believed to be called the "Windy City" because of politicians in the area blowing hot air. The extreme heat that Chicago is capable of experiencing during the height of the summer season can persist into the autumn season. As promised, our more active pattern is already delivering. Further west in what would today be the near and far suburbs (e.g. Chance of severe hail equal to or greater than 15 percent. The climate of Chicago is classified as hot-summer humid continental (KÃ¶ppen: Dfa), with all four seasons distinctly represented: Winters are cold and see frequent snow and near 0 Â°F (â18 Â°C) windchill temperatures, while summers are warm and humid with temperatures being hotter inland, spring and fall bring bouts of both cool and warm weather and fairly sunny skies. The 2012â13 autumn/winter season would fail to produce a daily maximum temperature below freezing 32 Â°F (0 Â°C) until January 1, 2013, the first such time that has happened in Chicago weather records. During the Chicago Heat Wave of 1995, which killed 739 people, official temperatures reached 104 Â°F (40 Â°C) at O'Hare Airport and 106 Â°F (41 Â°C) at Midway, but high humidity pushed the heat index to 15â20 Â°F (8â11 Â°C) above actual air temperatures, resulting in heat indexes well over 120 Â°F (49 Â°C). Use up and down arrows to change selection. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Chicago, IL 333 West University Drive Romeoville, IL 60446 Please also visit Chicago Historical Weather, Weather widget and Weather Charts pages. Autumn can bring heavy rain showers, some of which are capable of producing serious flooding. The simulated weather data have a spatial resolution of approximately 30 km and may not reproduce all local weather effects, such as thunderstorms, local winds, or tornadoes. The lowest temperature recorded in meteorological spring is â12 Â°F (â24 Â°C), set on March 4, 1873. Midway Airport recorded a record eight consecutive 100 Â°F-plus days in July 1936. The first option will be automatically selected. In these so-called Indian summers, unusually warm weather can persist for several days well into October, and in particularly warm autumns, into November. A perfect example of such an occurrence happening, although considered "unofficial", occurred during the Dust Bowl years. During the autumn, the effects of Lake Michigan are usually reversed from the spring or summer, particularly in the late autumn. The National Weather Service office in 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. Be prepared with the most accurate 10-day forecast for Chicago, IL with highs, lows, chance of precipitation from The Weather Channel and Weather.com Toggle Menu ... slow moving weather system to bring periods of light snow through the weekend with 1-3” cumulative totals likely. In most years, a period of warm weather, known as an Indian summer, occurs well after the autumnal equinox has occurred.  Chicago nearly recorded a fourth consecutive 100 Â°F (38 Â°C) day, but the temperature reached 98 degrees at O'Hare in late morning before a cold front came through the area and cooled temperatures off slightly in the city area, holding in the lower 90s. The clearer part of the year in Chicago begins around June 11 and lasts for 4.5 months, ending around October 29.On August 27, the clearest day of the year, the sky is clear, mostly clear, or â¦ Hi/Low, RealFeel®, precip, radar, & everything you need â¦ A study published May 24 in Science offers an explanation for a mysterious and sometimes deadly weather pattern in which the jet stream, the global air currents that circle the Earth, stalls out over a region. During the summer, Lake Michigan continues to have an effect on Chicago weather, but it is not as common or as strong as it is during the spring months. Watch This Woman Slip on the Ice Allllllllll the Way Down a Hill, Wintry Mess on Tap from Midwest to Northeast, Snowstorm Turns Abandoned Mall Into Eerie Winter Wonderland (PHOTOS), Flooding in U.K. Seasonal snowfall in the city has ranged from 9.8 inches (24.9 cm) (in 1920â21) up to 89.7 in (228 cm) (in 1978â79), and the average annual snowfall in Chicago is 36 inches (91 cm). Official locations. Chicago is referred to as the âWindy Cityâ, a moniker with many explanations referring to its people (not the weather), and one that is earned by the effects of skyscrapers funneling wind down into the streets.Chicago is only marginally windier than the average American cityâBoston is the windiestâwith average wind â¦ Highs, lows, fronts, troughs, outflow boundaries, squall lines, drylines for much of North America, the Western Atlantic and Eastern Pacific oceans, and the Gulf of Mexico. Day 1 Hail Risk No risk of hail. Chicago's yearly precipitation comes in at an average of about 36 inches (910 mm), but during the summer, rain arises from short-lived hit-or-miss rain rather than actual prolonged rainfalls, and thunderstorms also occur with regularity at night. Updated every three hours. The climate throughout the state of Illinois is fairly consistent and considered temperate, which means that four distinct seasons are experienced. 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