Public Information Statement
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
405 NOUS43 KLOT 211530 PNSLOT ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-220330- Public Information Statement National Weather Service Chicago IL 1030 AM CDT Mon Sep 21 2026 /1130 AM EDT Mon Sep 21 2026/ ...Rainfall Reports September 17-21, 2026... Location Amount Provider ...Illinois... ...Boone County... Timberlane 1 SW 4.90 in COCORAHS Capron 4.27 in COCORAHS ...Cook County... Bridgeview 1 WNW 5.41 in COCORAHS Oak Lawn 5.41 in COCORAHS Palos Park 2 WSW 5.41 in COCORAHS Chicago Ridge 5.31 in COCORAHS Midway 3 SW COOP 5.00 in COOP Worth 4.95 in COCORAHS Flossmoor 1 SE 4.89 in COCORAHS La Grange Park 1 SSW 4.75 in COCORAHS Matteson 0.9 E 4.44 in COCORAHS Chicago Midway 4.36 in ASOS Midlothian 4.17 in COCORAHS Homewood 4.10 in COCORAHS South Holland 4.04 in HADS Harwood Heights 4.0 ESE 3.98 in COCORAHS Oak Park 1 NNE 3.77 in COCORAHS Park Forest 1 NNE 3.76 in COCORAHS Park Ridge 1 WNW 3.67 in COCORAHS North Center - Chicago 3.66 in COCORAHS Palos Park 4 W 3.57 in COCORAHS Harwood Heights 3.51 in COCORAHS Chicago - Albany Park 3.40 in COCORAHS Hoffman Estates 3.27 in COCORAHS Franklin Park 0.5 SSE 3.06 in COCORAHS Oak Park 1.0 SSE 3.05 in COCORAHS Chicago - West Ridge 3.04 in COCORAHS Elk Grove Village 1 ESE 3.03 in COCORAHS Mount Prospect 0.2 NNE 3.02 in COCORAHS Evanston 1.2 S 2.99 in COCORAHS Inverness 1 NE 2.97 in COCORAHS Barrington 2.92 in COOP Hometown 2.91 in COCORAHS Elk Grove Village 2 WSW 2.89 in COCORAHS Morton Grove 1 WNW 2.86 in COCORAHS Evanston 1 E 2.81 in COCORAHS Palatine 1.2 NW 2.79 in COCORAHS Chicago O`Hare 2.78 in ASOS Palatine 1 E 2.78 in COCORAHS Schaumburg 2 E 2.76 in COCORAHS Palatine 1.5 NE 2.76 in COCORAHS Merrionette Park - 1 WSW 2.71 in COCORAHS Burr Ridge 2.71 in COCORAHS Harwood Heights 0.6 NE 2.67 in COCORAHS Evanston 1 SSW 2.53 in COCORAHS Wheeling - Chicago Exec. Arp 2.40 in ASOS Winnetka 1.0 NW 2.39 in COCORAHS ...De Kalb County... Earlville 5 NNE 7.78 in COCORAHS De Kalb 3.2 WNW 6.55 in COCORAHS Malta 3 ESE 5.39 in COCORAHS DeKalb 5.33 in COCORAHS Sycamore 1.4 SE 4.89 in COCORAHS DeKalb Airport 4.49 in AWOS Cortland 3.59 in COCORAHS Kingston 2 WNW 3.24 in COCORAHS ...DuPage County... Aurora 4 ESE 6.71 in COCORAHS Aurora 4 ESE 6.57 in COCORAHS Naperville 3 SE 6.08 in COCORAHS Willow Springs 2 SE 5.78 in COOP Darien 2 SE 5.62 in COCORAHS Naperville 5.60 in CWOP Downers Grove 1.8 SSE 5.02 in COCORAHS Woodridge 2 NNW 5.01 in COCORAHS Clarendon Hills 4.97 in UCOOP Woodridge 4.72 in ALERT Warrenville - W. Br. DuPage 4.53 in HADS Glen Ellyn 1 SW 4.36 in COCORAHS Wheaton 1 NNW 4.24 in COCORAHS Glen Ellyn 1 W 4.08 in COCORAHS Lombard 3.99 in COCORAHS Villa Park 3.70 in COCORAHS West Chicago - DuPage Arpt. 3.47 in AWOS Lombard 1.2 N 3.33 in COCORAHS Woodridge 0.3 SW 3.25 in COCORAHS Elmhurst 3.06 in HADS Oak Brook 3.05 in HADS Elmhurst 0.8 ESE 3.02 in COCORAHS ...Ford County... Gibson City 3 WNW 0.51 in COCORAHS ...Grundy County... Minooka 4.70 in COCORAHS Morris 5 NW 3.43 in COCORAHS Morris 2 SSE 3.34 in COCORAHS Morris 1 NW 3.27 in COOP Morris 2 W 3.16 in COCORAHS Carbon Hill 3 NE 3.02 in COCORAHS Carbon Hill 3 NNW 2.92 in COCORAHS Coal City 4 NNW 2.71 in UCOOP Mazon 2 SE 2.00 in COCORAHS Dwight 2.2 NNW 1.62 in COCORAHS ...Iroquois County... Chebanse 2 WSW 1.72 in COCORAHS Milford 1.61 in CWOP Clifton 1 WNW 1.47 in COCORAHS Buckley 4 ENE 1.05 in COCORAHS Crescent City 2 N 0.68 in COCORAHS Donovan 5.8 SE 0.54 in COCORAHS ...Kane County... Sugar Grove 1 NNW 6.75 in COCORAHS Sugar Grove - Aurora Airport 6.57 in ASOS Aurora 6.52 in COOP Kaneville 4 WNW 5.85 in COCORAHS Batavia 3.4 WSW 5.30 in COCORAHS North Aurora 1 ENE 4.97 in COCORAHS Batavia 4.84 in UCOOP Batavia 4.82 in COCORAHS Geneva 2 WNW 4.57 in COCORAHS Batavia 1 NW 4.34 in COCORAHS Geneva 1 SSW 4.27 in COCORAHS Batavia 1.0 SE 4.15 in COCORAHS Montgomery 3.76 in HADS St. Charles 1 ENE 3.37 in COCORAHS Maple Park 3.24 in COCORAHS Sleepy Hollow 1 W 3.12 in COCORAHS Hampshire 0.5 SE 3.06 in COCORAHS Elgin 3 W 2.97 in COCORAHS Elgin 2.94 in COOP Campton Hills 3 NNE 2.92 in COCORAHS Elgin 3 WNW 2.79 in COCORAHS MAPLE PARK 2.75 in CWOP Elgin 2.60 in UCOOP Elgin 1 SSW 2.60 in COCORAHS St. Charles 2.58 in HADS Gilberts 1 NE 2.29 in COCORAHS ...Kankakee County... Bourbonnais 2.80 in COOP Union Hill 2.42 in CWOP Kankakee 2.31 in COOP Kankakee Airport 1.89 in AWOS Kankakee 1.4 WSW 1.86 in COCORAHS Chebanse 1.75 in COCORAHS ...Kendall County... Oswego 6.07 in CWOP Yorkville 0.9 SSW 6.00 in COCORAHS Plano 1.6 NW 5.73 in COCORAHS Oswego 5.64 in COCORAHS Boulder Hill 1 NNE 5.54 in COCORAHS Boulder Hill 5.42 in COCORAHS Yorkville 3.1 N 5.42 in COCORAHS Yorkville 4.5 N 5.07 in COCORAHS Plainfield 4 SW 4.33 in COCORAHS ...La Salle County... Earlville 2.5 SSW 4.91 in COCORAHS Mendota 1 SE 3.75 in COOP Troy Grove 4 ESE 2.40 in COCORAHS Ottawa 1 N 2.10 in COCORAHS Ottawa 2.00 in COCORAHS Marseilles 2 WSW 1.81 in COCORAHS Grand Ridge 0.2 SSW 1.51 in COCORAHS Ottawa - Buffalo Rock SP 1.44 in COOP Ottawa 2 SSE 1.28 in COCORAHS 2 NW Kangley 1.17 in COCORAHS ...Lake County... Volo 0.9 S 4.16 in COCORAHS Long Lake 4.06 in COCORAHS Winthrop Harbor 1.7 W 3.93 in COCORAHS Volo 1.6 N 3.91 in COCORAHS Wadsworth 0.6 SSE 3.78 in COCORAHS Grandwood Park 3.71 in CWOP Fox Lake Hills 3.62 in COCORAHS Lake Villa 1 SW 3.56 in COCORAHS Waukegan Airport 3.46 in ASOS Grandwood Park 1 SE 3.43 in COCORAHS Lake Bluff 2 W 3.38 in COCORAHS Mundelein 1 NNE 3.27 in COCORAHS Mundelein 1.6 WNW 3.25 in COCORAHS Lake Zurich 1 N 3.12 in COCORAHS Buffalo Grove 2 N 3.04 in COCORAHS Gurnee 2.1 ESE 2.96 in COCORAHS Lake Forest 2.0 WSW 2.95 in COCORAHS Buffalo Grove 2 NNE 2.75 in AWS Deerfield 2.65 in HADS Riverwoods 1 NE 2.63 in COCORAHS Vernon Hills 2.46 in CWOP Highwood 2.41 in COCORAHS ...Lee County... West Brooklyn 4.3 WNW 7.61 in COCORAHS Amboy 1 WSW 6.30 in COCORAHS Steward 3 S 4.70 in COOP Ashton 4.69 in COCORAHS Dixon 4.11 in HADS Dixon 1 NE 3.95 in COCORAHS ...Livingston County... Chatsworth 1 S 1.06 in COCORAHS ...McHenry County... McHenry 1 ENE 4.23 in COCORAHS Woodstock 4 SW 4.19 in COCORAHS Bull Valley 2 WNW 4.15 in COCORAHS Algonquin 2.1 W 4.00 in COCORAHS Harvard 3 SSE 3.93 in COCORAHS Wonder Lake 3.87 in HADS Harvard 4.4 NNE 3.63 in COCORAHS Lakewood 1 ESE 3.57 in COCORAHS Trout Valley 3.49 in COCORAHS Marengo 3.42 in COCORAHS Lake in the Hills 3.36 in CWOP Crystal Lake 3.9 WNW 3.24 in COCORAHS Crystal Lake 1 WSW 3.23 in COCORAHS Woodstock 5 NW 2.98 in COOP Huntley 2 SW 2.65 in COCORAHS ...Ogle County... Rochelle Airport 4.75 in AWOS 1 W Oregon 4.36 in AWS ...Will County... Aurora 5.1 SSE 5.88 in COCORAHS Homer Glen 2 NNE 5.68 in COCORAHS Romeoville - NWS Chicago 5.18 in COOP Plainfield 1.7 WNW 5.03 in COCORAHS Homer Glen 1 NNE 4.94 in COCORAHS Plainfield 4.63 in HADS Joliet 3 WNW 4.44 in COCORAHS Plainfield 2 SSE 4.36 in COCORAHS New Lenox 1 SSE 4.17 in COCORAHS Joliet 0.8 E 4.10 in COCORAHS New Lenox 2 SW 4.00 in COCORAHS Mokena 2 WSW 3.91 in COCORAHS Mokena 4 WNW 3.88 in COCORAHS Crete 3 E 3.86 in COCORAHS Frankfort 1 ESE 3.77 in COCORAHS Manhattan 2 SE 3.68 in COCORAHS Beecher 3.52 in CWOP Plainfield 2 NW 3.39 in CWOP Manhattan 3.5 ESE 3.39 in COCORAHS Monee 5 SE 3.02 in COCORAHS Peotone 3.00 in COOP Channahon 2 SSW 2.53 in CWOP Channahon 5 S 2.47 in COCORAHS Braidwood 1.5 NE 2.32 in COCORAHS Lakewood Shores 1 SE 2.16 in COCORAHS Wilmington 2.12 in COCORAHS ...Winnebago County... Rockford 3 WSW 5.85 in COCORAHS Winnebago 5 SE 5.59 in COCORAHS Rockford Airport 5.06 in ASOS Rockford 1.3 NNW 5.00 in COCORAHS Loves Park 2 SSE 4.85 in CWOP 4 NNW Rockford 4.66 in COCORAHS Machesney Park 1 NW 4.55 in COCORAHS South Beloit 2 SE 4.43 in COCORAHS ...Indiana... ...Benton County... Earl Park 5.0 NW 2.03 in COCORAHS ...Jasper County... DeMotte 3.55 in COCORAHS Stoutsburg 1 SW 3.40 in COCORAHS Roselawn 3 ENE 3.02 in COCORAHS Collegeville 2.80 in COCORAHS De Motte 6 S 2.73 in COCORAHS Baileys Corner 5 S 2.66 in COCORAHS Rensselaer 2 SW 2.64 in COOP Wheatfield 1.0 SSE 2.14 in COCORAHS Rensselaer 5 NW 1.86 in COCORAHS Remington 1.54 in COCORAHS Wheatfield 3 SSE 1.43 in COCORAHS ...Lake County... Merrillville 1.4 S 4.02 in COCORAHS Gary 5 ENE 4.00 in COCORAHS Dyer 3.97 in COCORAHS Hammond 2 N 3.90 in COCORAHS Schererville 2.1 ESE 3.85 in COCORAHS St. John 3.81 in COCORAHS Schererville 2.4 E 3.76 in COCORAHS St. John 3 SSE 3.64 in COCORAHS Munster 3.08 in HADS Schererville 1 E 2.97 in COCORAHS Crown Point 2 NNE 2.88 in COCORAHS ...Newton County... Mount Ayr 2 NNE 2.08 in COCORAHS Kentland 2 SSE 1.75 in COCORAHS Morocco 1.59 in COOP Foresman 1.47 in HADS ...Porter County... Portage 3 E 5.81 in COCORAHS Porter 5.10 in COCORAHS Ogden Dunes 4.70 in COCORAHS Valparaiso 1 N 4.38 in COCORAHS Boone Grove 2 WNW 4.35 in COCORAHS Valparaiso 2.7 ENE 4.32 in COCORAHS Chesterton 4 ESE 4.17 in COCORAHS Wanatah 4.07 in COOP Boone Grove 4 NNE 3.74 in COCORAHS Valparaiso 3.69 in COCORAHS Valparaiso Airport 3.23 in ASOS 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. $$ NWS Chicago