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
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