Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >
| A major weather system impacted the middle of the country during April 13-15. For northern Illinois and northwest Indiana, this brought gusty winds, rain, and for far northern Illinois some snow and ice. The effects of the snow and ice combined with the winds led to power outages near the Wisconsin line. In addition, the strong winds from the northeast gusting over 40 mph brought high waves to the western and southern shores of Lake Michigan on Saturday, April 14. These waves brought flooding to some lakeshore areas, including parts of the Chicago shore such as the bike path. For a national summary of this storm, see here. |
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Peak Gusts
Public Information Statement National Weather Service Chicago IL 1103 AM CDT Sun Apr 15 2018 /1203 PM EDT Sun Apr 15 2018/ ...Highest Wind Reports from Saturday April 14... Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. Land Location Speed Time/Date Provider ---------------------------------------------------------------- Rockford Airport 51 MPH 0841 AM 04/14 ASOS Sugar Grove - Aurora Airport 47 MPH 0441 PM 04/14 ASOS Hyde Park 46 MPH 0535 PM 04/14 NONFEDAWOS Dupage Airport 46 MPH 0820 AM 04/14 ASOS Waukegan Airport 45 MPH 0949 AM 04/14 ASOS Rockdale 45 MPH 0100 PM 04/14 HADS Rochelle Airport 45 MPH 0255 PM 04/14 AWOS De Kalb Airport 44 MPH 0515 PM 04/14 AWOS 2 ESE Dixon 44 MPH 0435 PM 04/14 NONFEDAWOS Peru Airport 43 MPH 0435 PM 04/14 AWOS 2 ESE Sharon 41 MPH 0925 PM 04/14 MESOWEST Chicago O`Hare 41 MPH 0444 PM 04/14 ASOS Lewis Airport, Romeoville 41 MPH 0615 PM 04/14 AWOS 1 SE Winnebago 41 MPH 0807 AM 04/14 CWOP Wheeling - Chi Exec Airport 39 MPH 0657 AM 04/14 ASOS Chicago Midway 39 MPH 0826 AM 04/14 ASOS Valparaiso Airport 38 MPH 0914 PM 04/14 ASOS Kankakee Airport 35 MPH 0935 PM 04/14 AWOS Marine Location Speed Time/Date Provider ---------------------------------------------------------------- Waukegan Harbor 44 MPH 1140 AM 04/14 NWS-GLOS Chicago Crib 41 MPH 0820 AM 04/14 MARITIME Calumet Harbor 39 MPH 0842 AM 04/14 NWLON
Rainfall
For Saturday and Saturday night only rainfall, click here. Two Day Precipitation
Public Information Statement National Weather Service Chicago IL 436 PM CDT Sun Apr 15 2018 /536 PM EDT Sun Apr 15 2018/ ...Storm Total Rainfall or Liquid Equivalent Reports Since Friday Afternoon... Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. Location Amount Time/Date Provider --------------------------------------------------------------- Paxton 0.5 E 1.84 in 0700 AM 04/15 COCORAHS Darien 0.4 SSE 1.74 in 0800 AM 04/15 COCORAHS 2 NNE Griffith 1.73 in 0315 PM 04/15 HADS Hobart 1.72 in 0330 PM 04/15 HADS 3 NNE Wilmington 1.71 in 0405 PM 04/15 RAWS Porter 1.69 in 0317 PM 04/15 RAWS 2 WSW Elwood 1.69 in 0400 PM 04/15 HADS West Br Dupage River 1.64 in 0315 PM 04/15 ALERT Hammond 1.59 in 1030 AM 04/15 COCORAHS 2 NNE Crystal Lawns 1.59 in 0900 AM 04/15 COCORAHS Oakbrook Terrace 1.59 in 0315 PM 04/15 HADS Elmwood Park 1.58 in 1158 AM 04/15 COCORAHS Streator 1.3 WSW 1.58 in 0700 AM 04/15 COCORAHS 1 ESE Bloomingdale 1.57 in 0700 AM 04/15 COCORAHS Downers Grove 1.55 in 0659 AM 04/15 COCORAHS 2 NW Merrillville 1.55 in 0330 PM 04/15 HADS 1 SSW Seneca 1.53 in 0700 AM 04/15 COCORAHS Waterworks 1.53 in 0700 AM 04/15 COOP 1 SW Hanover Park 1.52 in 0315 PM 04/15 HADS Lisle 1.50 in 0700 AM 04/15 COCORAHS 3 S Lisbon 1.49 in 0700 AM 04/15 COCORAHS 1 W Glen Ellyn 1.48 in 0755 AM 04/15 COCORAHS 3 WNW Manhattan 1.48 in 0710 AM 04/15 COCORAHS Hebron 1.48 in 1042 AM 04/15 COCORAHS 2 W Batavia 1.47 in 0300 PM 04/15 HADS 2 NW Carbon Hill 1.46 in 0700 AM 04/15 COCORAHS Dyer 1.45 in 0400 PM 04/15 HADS Elmhurst 1.45 in 0700 AM 04/15 COCORAHS 4 WSW Mundelein - Coop 1.44 in 0700 AM 04/15 COOP Oswego 1.43 in 0315 PM 04/15 HADS Wheeling - Chi Exec Airport 1.43 in 0652 AM 04/15 ASOS 1 SSW Beach Park 1.43 in 0800 AM 04/15 COCORAHS 3 NNE Saint Anne 1.42 in 0700 AM 04/15 COCORAHS 3 NE Plainfield 1.41 in 0700 AM 04/15 COOP 1 SE Lockport 1.40 in 0700 AM 04/15 COCORAHS 1 NE Oak Brook 1.40 in 0415 PM 04/15 HADS 2 W Mokena 1.40 in 0315 PM 04/15 HADS 3 NNW Wilmington 1.39 in 0345 PM 04/15 HADS 2 SSW Naperville 1.39 in 1030 AM 04/15 COCORAHS Warrenville 1.39 in 0325 PM 04/15 HADS St Anne 1.39 in 0700 AM 04/15 COOP 4 W Plainfield 1.39 in 0700 AM 04/15 COCORAHS Romeoville Wfo 1.38 in 0700 AM 04/15 UCOOP Joliet 1.38 in 0700 AM 04/15 UCOOP 4 NNW Dwight 1.37 in 0700 AM 04/15 COCORAHS 2 SSE East Dundee 1.37 in 0800 AM 04/15 COCORAHS 5 ENE Symerton 1.36 in 0400 PM 04/15 HADS 3 SSE Sun River Terrace 1.36 in 0903 AM 04/15 COCORAHS Winthrop Harbor 1.36 in 0755 AM 04/15 COCORAHS Chicago O`Hare 1.35 in 0651 AM 04/15 ASOS 2 WNW Valparaiso 1.35 in 0630 AM 04/15 COCORAHS 1 N Medinah 1.35 in 0700 AM 04/15 COCORAHS 5 NNE Shabbona 1.35 in 0400 PM 04/15 GOES Chicago Botanical Garden 1.34 in 0800 AM 04/15 COOP Manhattan 1.34 in 0400 PM 04/15 HADS 3 SSE Crete 1.34 in 0800 AM 04/15 COCORAHS 2 ENE Streator 1.34 in 0700 AM 04/15 COOP 4 ENE Lakes Of The Four 1.33 in 0700 AM 04/15 COCORAHS Rockdale 1.31 in 0300 PM 04/15 HADS 2 WSW Valparaiso 1.31 in 0809 AM 04/15 COCORAHS Valparaiso 1.31 in 0700 AM 04/15 COCORAHS 1 WNW Fairmont 1.30 in 0300 PM 04/15 HADS Waukegan Airport 1.30 in 0655 AM 04/15 ASOS 1 NNW Lombard 1.30 in 0800 AM 04/15 COCORAHS Midlothian 1.29 in 0345 PM 04/15 HADS 2 SE Channahon 1.29 in 0700 AM 04/15 COCORAHS 1 WSW Homer Glen 1.29 in 0400 PM 04/15 HADS 2 SSW Cissna Park 1.28 in 0700 AM 04/15 COCORAHS Harwood Heights 1.28 in 0700 AM 04/15 COCORAHS 1 WNW Glen Ellyn 1.27 in 0700 AM 04/15 COCORAHS 2 E Naperville 1.26 in 0900 AM 04/15 COCORAHS Arlington Heights 2.6 SSW 1.26 in 0700 AM 04/15 COCORAHS 1 SW Arlington Heights 1.26 in 0700 AM 04/15 COCORAHS 1 SSE Morris 1.26 in 0345 PM 04/15 HADS Paxton 2wsw 1.26 in 0630 AM 04/15 COOP Naperville 2.5 ESE 1.25 in 0700 AM 04/15 COCORAHS 3 N Carbon Hill 1.25 in 0700 AM 04/15 COCORAHS Coal City 4NNW 1.25 in 0700 AM 04/15 UCOOP Manhattan 1.9 SE 1.25 in 0700 AM 04/15 COCORAHS 3 N Lake Station 1.25 in 0700 AM 04/15 COCORAHS Crete 1.24 in 0400 PM 04/15 HADS Park Ridge 1.24 in 0700 AM 04/15 COCORAHS 4 WNW Shorewood 1.24 in 0700 AM 04/15 COCORAHS 3 WNW Gibson City 1.23 in 0700 AM 04/15 COCORAHS Chicago Heights 1.23 in 0400 PM 04/15 HADS 4 W Bolingbrook 1.23 in 0345 PM 04/15 HADS 1 W Marseilles 1.23 in 0300 PM 04/15 HADS 2 SW Steger 1.22 in 0800 AM 04/15 COCORAHS Pontiac 1.22 in 0345 PM 04/15 USARMY-COE 1 ESE Mokena 1.22 in 0400 PM 04/15 HADS 1 WSW Rogers Park 1.22 in 0700 AM 04/15 COCORAHS Palos Park 3.6 WNW 1.22 in 0700 AM 04/15 COCORAHS Pontiac 1.21 in 0700 AM 04/15 COCORAHS Lakewood Shores 1.21 in 0630 AM 04/15 COCORAHS 3 WSW Melvin 1.21 in 0700 AM 04/15 COCORAHS 3 N Beecher 1.21 in 0345 PM 04/15 HADS 2 SSE West Chicago 1.21 in 0320 PM 04/15 HADS 3 ENE Streator 1.21 in 0600 AM 04/15 COCORAHS 1 E Rensselaer 1.21 in 0330 PM 04/15 HADS 1 E Schererville 1.21 in 0800 AM 04/15 COCORAHS Barrington 1.20 in 0800 AM 04/15 COOP Lincolnshire 1.20 in 0820 AM 04/15 COCORAHS 1 N Buffalo Grove 1.20 in 0700 AM 04/15 COCORAHS Porter 1.19 in 0700 AM 04/15 COCORAHS 4 SSW Naperville 1.19 in 0700 AM 04/15 COCORAHS 5 E Schneider 1.19 in 0345 PM 04/15 HADS Riverside 1.17 in 0345 PM 04/15 USARMY-COE 5 SW Valparaiso 1.17 in 0700 AM 04/15 COCORAHS Countryside 1.15 in 0500 AM 04/15 COCORAHS Peotone 1.15 in 0600 AM 04/15 COCORAHS 4 WSW De Motte 1.14 in 0800 AM 04/15 COCORAHS Willow Springs 1.14 in 0800 AM 04/15 COOP Westmont 1.14 in 0700 AM 04/15 UCOOP 3 E Brook 1.14 in 0345 PM 04/15 USGS Hebron 1.14 in 0700 AM 04/15 UCOOP 3 ESE Aurora 1.14 in 0700 AM 04/15 COCORAHS Morris Airport 1.13 in 0655 AM 04/15 AWOS Palos Park 1.3 SW 1.13 in 0700 AM 04/15 COCORAHS Homer Glen 1.13 in 0700 AM 04/15 COCORAHS 2 E Schaumburg 1.13 in 0700 AM 04/15 COCORAHS Lake Village 1.12 in 0800 AM 04/15 COOP 1 WNW Batavia 1.11 in 0700 AM 04/15 COCORAHS Lowell 1.11 in 0700 AM 04/15 COOP Mundelein 1.11 in 0800 AM 04/15 COCORAHS 1 E Forest Park 1.11 in 0600 AM 04/15 COCORAHS 1 NNE Mount Ayr 1.10 in 0800 AM 04/15 COCORAHS Buckley 0.2 SSE 1.10 in 0800 AM 04/15 COCORAHS Valparaiso 1.10 in 0700 AM 04/15 COCORAHS 5 S De Motte 1.10 in 0700 AM 04/15 COCORAHS South Elgin 1.10 in 0900 AM 04/15 COCORAHS Winnetka 1.10 in 0800 AM 04/15 COCORAHS 1 SE New Lenox 1.09 in 0700 AM 04/15 COCORAHS 2 WSW Mokena 1.09 in 0700 AM 04/15 COCORAHS 4 SW Valparaiso 1.08 in 0545 AM 04/15 COCORAHS Glencoe 0.1 NW 1.08 in 0705 AM 04/15 COCORAHS 3 ENE Beecher 1.07 in 0800 AM 04/15 COCORAHS 1 NNW Munster 1.06 in 0800 AM 04/15 COCORAHS 3 SSW Minooka 1.06 in 0300 PM 04/15 HADS Aurora Wtr Plnt - Coop 1.06 in 0700 AM 04/15 COOP Worth 1.06 in 0730 AM 04/15 COCORAHS 1 NNE Crown Point 1.05 in 0800 AM 04/15 COCORAHS 5 E Ashkum 1.05 in 0700 AM 04/15 COCORAHS Waste Water Facility 1.05 in 0730 AM 04/15 COOP 1 WNW Batavia 1.05 in 0700 AM 04/15 COCORAHS Oak Lawn 1.05 in 0800 AM 04/15 COCORAHS 2 ENE Leonore 1.04 in 0345 PM 04/15 HADS 3 NW Bourbonnais 1.04 in 0700 AM 04/15 COOP City Water Works Within 1.04 in 0700 AM 04/15 COOP 2 E Gages Lake 1.04 in 0330 PM 04/15 HADS Manhattan 1.03 in 0800 AM 04/15 UCOOP Oak Forest 1.03 in 0700 AM 04/15 COCORAHS 4 ENE Manhattan 1.03 in 0800 AM 04/15 COCORAHS 2 WNW Saint Charles 1.03 in 0415 PM 04/15 COOP Homer Glen 1.03 in 0700 AM 04/15 COCORAHS 1 WSW Crown Point 1.02 in 0700 AM 04/15 COCORAHS 1 ENE North Aurora 1.01 in 0707 AM 04/15 COCORAHS Pontiac Airport 1.01 in 0655 AM 04/15 AWOS 1 N Morocco 1.01 in 0600 AM 04/15 COOP Shorewood 1.01 in 0345 PM 04/15 USARMY-COE 1 SE Yorkville 1.00 in 0700 AM 04/15 COCORAHS
Ice & Snow
Photos
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| Grayslake, courtesy of C. Kent McKenzie | Lake Villa, courtesy of Mande Smogor | Round Lake, courtesy of Chris Kwinta |
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1125 AM CDT MON APR 16 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1200 PM FREEZING RAIN HOFFMAN ESTATES 42.06N 88.14W
04/15/2018 E0.10 INCH COOK IL PUBLIC
1200 PM FREEZING RAIN WAUCONDA 42.27N 88.14W
04/15/2018 E0.20 INCH LAKE IL PUBLIC
1200 PM FREEZING RAIN LINDENHURST 42.42N 88.03W
04/15/2018 E0.20 INCH LAKE IL PUBLIC
1200 PM FREEZING RAIN GRAYSLAKE 42.35N 88.04W
04/15/2018 E0.20 INCH LAKE IL PUBLIC
1200 PM FREEZING RAIN MARENGO 42.25N 88.60W
04/15/2018 E0.20 INCH MCHENRY IL PUBLIC
Snow
Public Information Statement National Weather Service Chicago IL 1019 AM CDT Mon Apr 16 2018 ...Morning Snowfall Roundup... The following are snow amounts for the previous 24 hours as measured in the morning by NWS Cooperative Observers and CoCoRaHS observers. Observations are usually taken at 7 AM. 24-hour Snowfall Amounts for Monday(04/16/18)... Northern Illinois Snow Location (County): fall(inches) Hebron (McHenry)..............................3.6 Wonder Lake 1WNW (McHenry)....................2.9 Capron (Boone)................................2.6 Bull Valley 2WNW (McHenry)....................2.5 Harvard (McHenry).............................2.0 McHenry (McHenry).............................1.6 Woodstock 5nw (McHenry).......................1.6 Elgin 2W (Kane)...............................1.5 Roscoe 2ESE (Winnebago).......................1.4 Roscoe 2se (Winnebago)........................1.4 Park Ridge (Cook).............................1.2 Gurnee 2W (Lake)..............................1.2 Woodstock 4SW (McHenry).......................1.2 Genoa (De Kalb)...............................1.1 Park Ridge 1WNW (Cook)........................1.1 Elmhurst 1ESE (Du Page).......................1.1 Barrington (Lake).............................1.0 Schaumburg 2E (Cook)..........................1.0 Harwood Heights (Cook)........................1.0 Mount Prospect 3NE (Cook).....................1.0 Elk Grove Village 1ESE (Cook).................1.0 Elk Grove Village 2WSW (Cook).................1.0 Mundelein (Lake)..............................1.0 Algonquin 1N (McHenry)........................1.0 Rockford 2ENE (Winnebago).....................1.0 Palatine 1E (Cook)............................0.9 St. Charles 6NW (Kane)........................0.9 Oak Park 1NNE (Cook)..........................0.8 Lincolnwood 2E (Cook).........................0.8 De Kalb (De Kalb).............................0.8 Naperville 1NW (Du Page)......................0.8 Elgin (Kane)..................................0.7 Palatine 1NNE (Cook)..........................0.7 Downers Grove 0.4NNE (Du Page)................0.7 Rockford 1NW (Winnebago)......................0.7 Mundelein (Lake)..............................0.7 Lisle Morton Arb (Du Page)....................0.7 Wheaton 2NNE (Du Page)........................0.6 Aurora 4SE (Du Page)..........................0.6 Byron 3N (Ogle)...............................0.6 Lake Zurich (Lake)............................0.6 Botanic Gardens (Cook)........................0.5 Chatsworth (Livingston).......................0.5 Elgin (Kane)..................................0.5 Elburn (Kane).................................0.5 Hoffman Estates 5W (Cook).....................0.5 Oak Park 2S (Cook)............................0.5 La Grange Park 1SSW (Cook)....................0.5 Somonauk 2NE (De Kalb)........................0.5 Elmhurst (Du Page)............................0.5 Roselle 1ESE (Du Page)........................0.5 Plainfield 5SW (Kendall)......................0.5 Herscher 3E (Kankakee)........................0.5 Elgin 1S (Kane)...............................0.5 Batavia 2WNW (Kane)...........................0.5 Elburn (Kane).................................0.5 Lily Lake 2E (Kane)...........................0.5 Lake Villa 1SSW (Lake)........................0.5 Buffalo Grove 2N (Lake).......................0.5 Waukegan 2N (Lake)............................0.5 Riverwoods (Lake).............................0.5 Seneca 2SSW (La Salle)........................0.5 Chatsworth (Livingston).......................0.5 Crystal Lake 1WSW (McHenry)...................0.5 Chicago 6ESE (Cook)...........................0.4 Worth (Cook)..................................0.4 De Kalb 1SW (De Kalb).........................0.4 Aurora 4SE (Du Page)..........................0.4 Batavia 1WNW (Kane)...........................0.4 Ottawa 2N (La Salle)..........................0.4 Lake in the Hills 2.5W (McHenry)..............0.4 Earlville 3S (La Salle).......................0.3 Geneva 4WSW (Kane)............................0.3 Dixon 3NNW (Lee)..............................0.3 Lincolnshire 1N (Lake)........................0.3 Mendota (La Salle)............................0.3 Peru 1ENE (La Salle)..........................0.3 Naperville 4SSW (Will)........................0.3 Morris (Grundy)...............................0.3 Westmont (Du Page)............................0.3 Batavia (Kane)................................0.2 Bridgeview 1NNW (Cook)........................0.2 Oak Lawn (Cook)...............................0.2 Chicago Ridge (Cook)..........................0.2 Oak Lawn 2WNW (Cook)..........................0.2 Dwight 4NNW (Grundy)..........................0.2 Morris 6ESE (Grundy)..........................0.2 Montgomery 1SSE (Kendall).....................0.2 La Salle (La Salle)...........................0.2 Homer Glen 1ENE (Will)........................0.2 Crete 3E (Will)...............................0.2 Ottawa (La Salle).............................0.2 Rochelle (Ogle)...............................0.2 St Anne (Kankakee)............................0.2 Bourbonnais (Kankakee)........................0.1 Palos Park 1SW (Cook).........................0.1 Homewood (Cook)...............................0.1 Streator 1WSW (La Salle)......................0.1 Manhattan 5ENE (Will).........................0.1 New Lenox 2SE (Will)..........................0.1 Manhattan (Will)..............................0.1 Midway Coop (Cook)............................0.1 Plainfield (Will).............................0.1 Streator (Livingston).........................0.1 Steward (Lee).................................0.1 Coal City 4NNW (Grundy).....................TRACE Dwight (Livingston).........................TRACE De Kalb (De Kalb)...........................TRACE Fairbury (Livingston).......................TRACE Countryside 1ENE (Cook).....................TRACE Carbon Hill 3.1N (Grundy)...................TRACE Mazon 0.5ENE (Grundy).......................TRACE Ashkum 5.6E (Iroquois)......................TRACE Watseka 6.9WNW (Iroquois)...................TRACE Cissna Park 1S (Iroquois)...................TRACE Oswego 5SSE (Kendall).......................TRACE Elburn (Kane)...............................TRACE Ashton (Lee)................................TRACE Highwood 1S (Lake)..........................TRACE Streator 4ENE (La Salle)....................TRACE Manhattan 1ESE (Will).......................TRACE Peotone (Will)..............................TRACE Lockport 1SE (Will).........................TRACE New Lenox 3E (Will).........................TRACE Joliet 2n (Will)............................TRACE Lansing (Cook)..............................TRACE Romeoville (Will)...........................TRACE Mendota (La Salle)..........................TRACE Paw Paw (Lee)...............................TRACE Peotone (Will)..............................TRACE Park Forest (Cook)..........................TRACE Paxton (Ford)...............................TRACE Willow Springs (Cook).......................TRACE Yorkville 2SE (Kendall).....................TRACE Northwest Indiana Snow Location (County): fall(inches) Mount Ayr 2NNE (Newton).......................0.1 Crown Point (Lake)..........................TRACE Remington (Jasper)..........................TRACE Crown Point 2WSW (Lake).....................TRACE Crown Point 1N (Lake).......................TRACE St. John (Lake).............................TRACE (w9mal)Merrillville 2NNW (Lake).............TRACE Gary 5ENE (Lake)............................TRACE Munster 2NNW (Lake).........................TRACE Valparaiso 6SSW (Porter)....................TRACE (kb9f)Valparaiso 4S (Porter)................TRACE Valparaiso 1ESE (Porter)....................TRACE Hebron 4NE (Porter).........................TRACE Valparaiso 2NW (Porter).....................TRACE Valparaiso 6WSW (Porter)....................TRACE Valparaiso 1NNW (Porter)....................TRACE Lowell (Lake)...............................TRACE Lake Village (Newton).......................TRACE
April 1-15 Cold
Public Information Statement National Weather Service Chicago IL 807 AM CDT Mon Apr 16 2018 /907 AM EDT Mon Apr 16 2018/ ...The Numbers Do Not Lie as First Half of April Has Been Cold... For the first half of April (1-15), temperatures certainly have been below normal for the period. But just how cold?? Take a look at the top 5 coldest April 1-15 periods for Rockford and Chicago. CHICAGO AVG TEMP YEAR 1. 33.0 1881 2. 35.7 1975 3. 36.4 1926 4. 36.5 2018 5. 36.9 1874 ROCKFORD AVG TEMP YEAR 1. 34.2 2018 2. 34.7 1975 3. 36.1 1926 4. 36.4 1979 5. 36.9 1907 Records date back to 1872 for Chicago and 1905 for Rockford. $$ ACS
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