Illinois is vulnerable to tornadoes with an average of 35 occurring annually, which puts much of the state at around 5 tornadoes per 10,000 square miles (30,000 km2) annually.  Illinois also receives the remnants of tropical cyclones which have struck the Gulf coast.  Peak tornado activity occurs between April and June. 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. Monthly: 1981-2010 normals Weather described as "fair" means that no clouds were observed below 12,000 feet. The Climate of Illinois describes the weather conditions, and extremes, noted within the state of Illinois, United States, over time. Sky conditions give the general state of the sky, and the height of each cloud layer. Av. Monthly averages Champaign Longitude: -88.2434, Latitude: 40.1164 Average weather Champaign, IL - 61820. Illinois City, Illinois - Travel and vacation weather averages, current conditions and forecasts. Because of its nearly 400 miles (640 km) length and mid-continental placement, Illinois has a widely varying climate. Based on weather reports collected during 1985–2015. Stations: Belleville Big Bend Bondville Brownstown Carbondale Champaign DeKalb Dixon Springs Fairfield Freeport Monmouth Olney Peoria Perry Rend Lake Snicarte Springfield Stelle St. Charles. Thank you for reporting this station. Averages are for Chicago Midway Airport, which is 9 miles from Chicago. : Days with precipitation - Hours sun. During the winter of 1830–31, southern sections of the state were covered with 3 feet (0.91 m) of snow, with drifts up to 6 feet (1.8 m) tall. 31 F Chicago Midway International Airport Station | Report.  However, Illinois did not officially recognize this measurement, as it was made from a small airport and there were no quality control procedures applied to the measurement.  The city has also recorded two other winters with snowfall in excess of 80 inches (2.03 m) -- 1977-78 and 2013-14. , Illinois averages around 50 days of thunderstorm activity a year which put it somewhat above average for the number of thunderstorm days for the United States. Recent weather for: Moline Peoria Rockford Springfield.  The snowiest winter on record for Chicago was 89.7 inches (2.28 m) during the winter of 1978–79. The 1995 Chicago heat wave was one of the worst weather-related disasters in state history, with 525 dead within a five-day period as overnight lows remained as high as 84 °F (28.9 °C) and daytime highs reached up to 106 °F (41.1 °C). This resulted in a new record low temperature, −38 °F (−38.9 °C), recorded on January 31, 2019, at Mt Carroll, Illinois. Average yearly precipitation for Illinois varies from just over 48 inches (1,200 mm) at the southern tip to just under 32 inches (810 mm) in the northern portion of the state. Illinois Weather - Monthly averages for temperatures and rainfall. Critical fire weather conditions are forecast over portions of California today and Tuesday due to dry conditions and strong offshore winds. Chicago's coldest month is January when the average temperature overnight is 14.3°F. Extreme temperatures changes can occur within minutes with the passage of a strong cold front through the state.  The most deadly heatwave in the history of the United States struck Illinois during July 1936, which killed 2,656 people.. Wind gusts may reach 60 to 70 mph in some locations. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Central Illinois 1362 State Route 10 Lincoln, IL 62656 The heaviest snowfall recorded in Chicago history was 23 inches (0.58 m) during the Blizzard of 1967. The Tri-State Tornado of 1925 killed 695 people in three states; 613 of the victims lived in Illinois. high : Average high in ºF - Av.low : Average low in ºF - Av. Most of Illinois has a humid continental climate (Köppen climate classification Dfa) with hot, humid summers and cool to cold winters. , While normal annual snowfall exceeds 38 inches (0.97 m) in Chicago, the southern portion of the state normally receives less than 14 inches (0.36 m). In summer, the relatively cooler lake leads to a more stable atmosphere near the lake shore, reducing rainfall potential. Chicago Monthly Weather Forecast 5 days , 7 days , 10 day , 14 days , 15 days … , Due to the urban heat island effect, cities tend to be 2 °F or 1.1 °C warmer on average, which is most noticeable overnight. Government Internet Service Home page. 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. The highest temperature recorded in Illinois was 117 °F (47.2 °C), recorded on July 14, 1954, at East St. Louis, while the lowest temperature was −38 °F (−38.9 °C), recorded on January 31, 2019, at Mt Carroll, Illinois. On December 20, 1836, temperatures fell 40 °F or 22.2 °C in minutes, which supposedly froze people to their saddles and chickens in their tracks. Chicago, IL Weather History star_ratehome. 19° July is on average the WARMEST month. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. The Climate of Illinois describes the weather conditions, and extremes, noted within the state of Illinois, United States, over time. The highest monthly average temperature in Burbankfor July is 76 degrees The lowest monthly average temperature in Burbank for January is 26 degrees The most monthly precipitation in Burbank occurs in August with 5.1 inches The air quality index in Burbank is 11% worse than the national average State-wide Map Data : Air Temperature: Wind Data: Other Weather …  As a result, the official record-lowest temperature for the state was −36 °F (−37.8 °C) recorded at Congerville on 5 January 1999. May and June are the wettest months of the year.  In 2019, the January North American Cold Wave struck Illinois. A climate graph showing rainfall, temperatures and normals. Recent Weather in Chicago; Average high and low temperatures, total snowfall and precipitation for each year since 2010.  The deadliest tornado on record in the nation occurred largely in Illinois. Get the monthly weather forecast for Chicago, IL, including daily high/low, historical averages, to help you plan ahead. Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Illinois for next month - January. This is a limitation of all automated stations, which make up nearly all observations in the list. Chicago Area Weather Roundup Illinois State Weather Roundup Indiana State Weather Roundup Wisconsin State Weather Roundup Michigan State Weather Roundup Iowa State Weather Roundup . A slight chance of rain showers, snow showers, and freezing rain before 8am, then a slight chance of rain and snow showers between 8am and 10am, then a slight chance of rain showers after 10am. The tables give the normal maximum and minimum yearly temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center. Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. The Tri-State Tornado of 1925 killed 695 people in three states; 613 of the victims lived in Illinois. Chance of precipitation is 20%. Monthly: 1981-2010 normals History: 2015-2019 Report Station. Monthly averages Chicago Longitude: -87.6298, Latitude: 41.8781 Average weather Chicago, IL - 60679. "Illinois Climate Records and Averages, Illinois State Climatologist Office, Illinois State Water Survey, U of I", "The Deep Snow: Winter of 1830–31 has legends that Chicago's records fail to shake", https://en.wikipedia.org/w/index.php?title=Climate_of_Illinois&oldid=983293102, Creative Commons Attribution-ShareAlike License, This page was last edited on 13 October 2020, at 12:08. Annual Weather Averages Near Chicago. In July, the warmest month, the average day time temperature rises to 83.5°F. Average precipitation in : Av. Thursday, December 10th; NWS Chicago Winter 2020-21 Outlook (Including Webinar Recording and PDF) Provide Your Feedback about Frost and Freeze Products Issued by the National Weather Service precip. See the current Chicago, IL weather and a 5 day forecast. There are also monthly and yearly counts of days with freezing weather. US Geography / US Weather / Illinois Weather Addison Algonquin Alsip Altamont Alton Arcola Arlington Heights Atlanta Aurora Barrington Bedford Park Belleville Benton Bloomingdale … History for Rochelle, IL: January 15, 2009. : Average precipitation in inch - DP : Days with precipitation - Sun : Hours of sunshine, Monthly averages ChicagoLongitude: -87.6298, Latitude: 41.8781Average weather Chicago, IL - 60679. Cloudy, with a high near 43. The starting point for official government weather forecasts, warnings, meteorological products for forecasting the weather… Here are normal monthly and seasonal temperatures and precipitation as well as selected … Weather History for Places in Illinois . Illinois Climate Network: Weather Data Station Data. To find out how often it rises over 70, 80 or 90 °F each month in Chicago, scroll down farther. January is on average the COOLEST month. Lake Michigan Marine Observations See Historical Weather Data for a Location and Date.  Until 2019, the lowest temperature was −37 °F (−38.3 °C), recorded on January 15, 2009, at Rochelle. Station Data. Monthly temperature, precipitation and hours of sunshine. : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre.  The deadliest tornado on record in the nation occurred largely in Illinois. You can jump to a separate table for each region of the state: Chicago Area, Northern Illinois, Central Illinois and Southern Illinois. Everything else here is based on 1981 to 2010 weather. Year * Month * Day * Data is available up to December 3, 2020. 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 km2) annually. precipitation in. precipitation in Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ... © US Climate Data 2020 | version 3.0 | by Your Weather Service |, Average precipitation in : Av. , The highest temperature recorded in Illinois was 117 °F (47.2 °C), recorded on July 14, 1954, at East St. Louis. Station Data. Average annual temperatures for cities throughout Illinois are listed below. Get the monthly weather forecast for Mount Sterling, IL, including daily high/low, historical averages, to help you plan ahead. Illinois Weather. December 8th, 2020 December 7th, 2020 December 6th, 2020 December 5th, 2020 December 4th, 2020 December 3rd, 2020 December 2nd, 2020 December 1st, 2020 November 30th, 2020 November 29th, 2020 November 28th, 2020 November 27th, 2020 November 26th, 2020 November 25th, 2020 November 24th, 2020 November 23rd, 2020 November 22nd, 2020 November 21st, 2020 November 20th, 2020 … , 22. https://www.ncdc.noaa.gov/extremes/scec/records/IL, most deadly heatwave in the history of the United States, List of wettest known tropical cyclone remnants in Illinois, Annual average number of tornadoes, 1991-2010, "Average Annual Number of EF0-EF5 Tornadoes 1991-2010", "NWS Paducah, KY: NOAA/NWS 1925 Tri-State Tornado Web Site -- General Information". Winter Weather Preparedness and Spotter Webinar! Lake Michigan leads to an increase in winter precipitation along its south shore due to lake effect snow forming over the relatively warm lakes. Hourly weather conditions in Illinois and surrounding states. Increased warming within urban heat islands leads to an increase in rainfall downwind of cities. Select a destination to see the climate guide for all months of the year. The first set of high and low temperatures are averages for 2010 to 2019. Storms exceeding the normal winter value are possible within one day mainly in the southern half of the state. Flooding is the most damaging weather hazard within the state. Chicago, Illinois - Travel and vacation weather averages, current conditions and forecasts. Calm wind becoming east around 6 mph. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service St. Louis, MO 12 Missouri Research Park Drive St. Charles, MO 63304-5685 Current Local Weather Conditions. Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more.
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