Overview
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During the late afternoon and evening of August 24th, a line of thunderstorms moved into northwestern Illinois and produced wind damage in the northern part of the state before weakening as it moved into the Chicago metro. Most of this damage was done to trees and power lines and mainly occurred in DeKalb, Ogle, and Winnebago counties, including inside the city of Rockford. Additional thunderstorms developed out ahead of the main line and produced a few instances of wind damage and hail. These storms also produced heavy rainfall with over 2 inches of rain falling in the span of one hour in some locations, resulting in localized flooding in northwest McHenry County and northeast Cook County, including the north side of the city of Chicago. |
 Event Summary Graphic |
Storm Reports
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| August 24, 2021 Storm Reports |
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO IL
1153 AM CDT WED AUG 25 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0355 PM MARINE TSTM WIND 2 E WAUKEGAN 42.36N 87.81W
08/24/2021 M42 MPH LMZ740 IL C-MAN STATION
MEASURED AT THE WAUKEGAN HARBOR GLOS
STATION.
0510 PM MARINE TSTM WIND 2 NNE EVANSTON 42.07N 87.67W
08/24/2021 M38 MPH LMZ741 IL BROADCAST MEDIA
DELAYED REPORT. MULTIPLE PEOPLE WERE RESCUED
AFTER 8 SAILBOATS CAPSIZED IN LAKE MICHIGAN
JUST OFFSHORE FROM EVANSTON. DISPATCH
RECORDS INDICATE THAT THE INCIDENT OCCURRED
AT OR JUST BEFORE 5:22 PM. THE NEARBY
WILMETTE BUOY BEGAN GUSTING TO 38 MPH WITH A
CHANGE IN WIND DIRECTION FROM EASTERLY TO
NORTH-NORTHEASTERLY AROUND 5:10 PM.
0510 PM TSTM WND DMG 1 ENE BLOOMINGDALE 41.96N 88.07W
08/24/2021 DUPAGE IL PUBLIC
SEVERAL REPORTS OF LARGE TREE LIMBS DOWNED
IN THE BLOOMINGDALE AREA. TIME ESTIMATED
FROM RADAR.
0520 PM HAIL ELK GROVE VILLAGE 42.01N 87.99W
08/24/2021 M1.00 INCH COOK IL PUBLIC
PUBLIC SHARED PHOTO VIA SOCIAL MEDIA OF HAIL
NEAR QUARTER SIZE. TIME ESTIMATED BY RADAR.
0553 PM TSTM WND DMG POLO 41.99N 89.58W
08/24/2021 OGLE IL TRAINED SPOTTER
TREE DOWNED ONTO A HOUSE. TIME ESTIMATED
FROM RADAR.
0554 PM MARINE TSTM WIND HARRISON-DEVER CRIB 41.92N 87.57W
08/24/2021 M47 MPH LMZ741 IL C-MAN STATION
0555 PM TSTM WND DMG OREGON 42.01N 89.33W
08/24/2021 OGLE IL TRAINED SPOTTER
LARGE 3-FT DIAMETER TREE DOWNED AT OGLE
COUNTY COURTHOUSE. TIME ESTIMATED BY RADAR.
0555 PM TSTM WND DMG 1 NW OREGON 42.03N 89.35W
08/24/2021 OGLE IL TRAINED SPOTTER
MULTIPLE 12 TO 18 INCH DIAMETER BRANCHES
DOWNED IN AND WEST OF OREGON ALONG IL-64.
TIME ESTIMATED BY RADAR.
0600 PM TSTM WND DMG BYRON 42.13N 89.25W
08/24/2021 OGLE IL PUBLIC
MULTIPLE PUBLIC REPORTS OF TREE DAMAGE IN
THE VICINITY OF BYRON AND STILLMAN VALLEY.
TIME ESTIMATED BY RADAR.
0604 PM TSTM WND DMG 3 NNW STILLMAN VALLEY 42.14N 89.20W
08/24/2021 OGLE IL AMATEUR RADIO
SEVERAL LARGE TREE LIMBS SNAPPED. TIME
ESTIMATED FROM RADAR.
0605 PM TSTM WND DMG ROCKFORD 42.27N 89.10W
08/24/2021 WINNEBAGO IL BROADCAST MEDIA
PHOTO SHARED TO SOCIAL MEDIA SHOWS SMALL
BRANCHES DOWNED NEAR STATE AND KILBURN IN
ROCKFORD. TIME ESTIMATED BY RADAR.
0608 PM TSTM WND DMG 1 WNW ROCKFORD 42.28N 89.12W
08/24/2021 WINNEBAGO IL LAW ENFORCEMENT
SEVERAL TREES AND WIRES DOWNED ON THE WEST
SIDE OF ROCKFORD. ONE TREE DOWNED ONTO A
HOUSE ON ALBERT AVE. TIME ESTIMATED FROM
RADAR.
0610 PM TSTM WND GST 1 WNW DAVIS JUNCTION 42.11N 89.11W
08/24/2021 M60 MPH OGLE IL PUBLIC
REPORT OF MEASURED 60 MPH WIND GUST. RELAYED
VIA SPOTTERNETWORK.
0612 PM TSTM WND DMG 2 SE ROCKFORD 42.25N 89.08W
08/24/2021 WINNEBAGO IL LAW ENFORCEMENT
WIRES DOWNED ON THE 1300 BLOCK OF 9TH ST. IN
ROCKFORD. TIME ESTIMATED FROM RADAR.
0615 PM TSTM WND DMG 3 ENE ROCKFORD AIRPORT 42.23N 89.04W
08/24/2021 WINNEBAGO IL AMATEUR RADIO
4-INCH DIAMETER TREE LIMB DOWNED EAST OF
SANDY HOLLOW GOLF COURSE IN ROCKFORD. TIME
ESTIMATED BY RADAR.
0620 PM TSTM WND DMG 1 S ROCHELLE 41.91N 89.07W
08/24/2021 OGLE IL TRAINED SPOTTER
TREE BRANCHES AT LEAST 6-INCHES IN DIAMETER
DOWNED IN SOUTHERN ROCHELLE. TIME ESTIMATED
BY RADAR.
0628 PM TSTM WND DMG 1 ENE ROCHELLE 41.93N 89.06W
08/24/2021 OGLE IL PUBLIC
PUBLIC REPORTS SMALL BRANCHES DOWNED IN
ROCHELLE AREA. REPORT RELAYED VIA MPING.
0630 PM TSTM WND DMG 1 W EDGEWATER - CHICAGO 41.99N 87.67W
08/24/2021 COOK IL PUBLIC
VIDEO SHARED TO SOCIAL MEDIA SHOWS SEVERAL
LARGE BRANCHES DOWNED AND A TREE UPROOTED
ALONG RAVENSWOOD AVENUE. TIME ESTIMATED FROM
RADAR.
0635 PM TSTM WND DMG KINGSTON 42.10N 88.75W
08/24/2021 DE KALB IL PUBLIC
PUBLIC REPORT OF NUMEROUS BRANCHES DOWNED IN
KINGSTON. TIME ESTIMATED BY RADAR.
0640 PM TSTM WND DMG 1 NW DEKALB 41.95N 88.77W
08/24/2021 DE KALB IL PUBLIC
PHOTO SHARED TO SOCIAL MEDIA SHOWS MULTIPLE
BRANCHES UP TO 8-IN DIAMETER DOWNED NEAR
HILLCREST DRIVE AND BLACKHAWK ROAD IN
DEKALB. TIME ESTIMATED BY RADAR.
0640 PM TSTM WND DMG 1 W DEKALB 41.93N 88.77W
08/24/2021 DE KALB IL PUBLIC
PHOTO SHARED VIA SOCIAL MEDIA SHOWS TREE
SNAPPED NEAR THE BASE NEAR NORTHERN ILLINOIS
UNIVERSITY IN DEKALB. TIME ESTIMATED BY
RADAR.
0643 PM TSTM WND DMG GENOA 42.10N 88.69W
08/24/2021 DE KALB IL PUBLIC
WIRES DOWNED IN GENOA. TIME ESTIMATED FROM
RADAR.
0645 PM TSTM WND GST 2 ENE DEKALB 41.94N 88.72W
08/24/2021 M68 MPH DE KALB IL PUBLIC
68 MPH WIND GUST MEASURED BY HANDHELD
ANEMOMETER NEAR DEKALB AIRPORT. TIME
ESTIMATED BY RADAR.
0645 PM FLASH FLOOD HARVARD 42.43N 88.61W
08/24/2021 MCHENRY IL EMERGENCY MNGR
DELAYED REPORT OF ONE CAR STALLED DUE TO
FLOODWATERS ON MCKINLEY STREET IN HARVARD.
TIME ESTIMATED.
0645 PM TSTM WND DMG SYCAMORE 41.99N 88.69W
08/24/2021 DE KALB IL TRAINED SPOTTER
2-3 INCH DIAMETER TREE BRANCHES DOWNED IN
SYCAMORE. TIME ESTIMATED BY RADAR.
0655 PM TSTM WND GST 3 NNW WOODSTOCK 42.35N 88.47W
08/24/2021 M52 MPH MCHENRY IL LAW ENFORCEMENT
52 MPH WIND GUST JUST NORTHWEST OF WOODSTOCK
MEASURED WITH A HANDHELD ANEMOMETER.
0655 PM MARINE TSTM WIND MICHIGAN CITY BUOY 41.76N 86.97W
08/24/2021 M49 MPH LMZ745 IN BUOY
MEASURED AT THE MICHIGAN CITY BUOY (45170).
0700 PM FLASH FLOOD 1 NNE UPTOWN - CHICAGO 41.98N 87.65W
08/24/2021 COOK IL PUBLIC
UPDATE TO PREVIOUS FLOOD REPORT FROM 1 NNE
UPTOWN - CHICAGO. MULTIPLE PHOTOS AND VIDEOS
SHARED TO SOCIAL MEDIA SHOW FLOODING OF
DUSABLE LAKE SHORE DRIVE AT UNDERPASSES.
REVIEW OF ADDITIONAL INFORMATION CAUSED THIS
REPORT TO BE CHANGED TO FLASH FLOODING.
0709 PM FLOOD EDGEWATER - CHICAGO 41.98N 87.67W
08/24/2021 COOK IL PUBLIC
PHOTO SHARED VIA SOCIAL MEDIA SHOWS SEVERAL
INCHES OF STANDING WATER ON RESIDENTIAL
STREET IN ANDERSONVILLE, CHICAGO.
0717 PM TSTM WND DMG AURORA 41.76N 88.32W
08/24/2021 KANE IL EMERGENCY MNGR
MULTIPLE REPORTS OF TREES AND WIRES DOWNED
IN AURORA.
0722 PM FLOOD 1 NE NORTH CENTER - CHI 41.95N 87.67W
08/24/2021 COOK IL PUBLIC
VIDEOS SHARED TO SOCIAL MEDIA SHOW SEVERAL
INCHES OF WATER AT IRVING PARK ROAD
UNDERPASS AT RAVENSWOOD AVENUE.
0728 PM MARINE TSTM WIND 3 SE MICHIGAN CITY BUOY 41.73N 86.93W
08/24/2021 M54 MPH LMZ745 IN C-MAN STATION
MEASURED AT THE MICHIGAN CITY C-MAN.
0730 PM FLOOD 2 WNW CHICAGO LOOP 41.89N 87.67W
08/24/2021 COOK IL BROADCAST MEDIA
DELAYED REPORT. REPORT OF A STALLED CAR AT
UNDERPASS NEAR ASHLAND AVENUE AND KINZIE
STREET. TIME ESTIMATED.
0736 PM TSTM WND DMG DOWNERS GROVE 41.79N 88.01W
08/24/2021 DUPAGE IL NWS EMPLOYEE
TWO ROUGHLY 6 INCH DIAMETER TREE LIMBS DOWN
ON MAPLE AVENUE. TIME ESTIMATED BASED ON
RADAR.
0754 PM TSTM WND GST MANHATTAN 41.42N 87.99W
08/24/2021 E50 MPH WILL IL EMERGENCY MNGR
REPORT RELAYED FOR A FEW SMALL BRANCHES
BROKEN. TIME ESTIMATED BASED ON RADAR.
0814 PM HEAVY RAIN 1 ENE LINCOLN SQUARE - 41.98N 87.68W
08/24/2021 M2.74 INCH COOK IL MESONET
STORM TOTAL. 2.27 INCHES FELL OVER A ONE
HOUR PERIOD BETWEEN 5:49 AND 6:49 PM.
PERSONAL WEATHER STATION KILCHICA440.
0820 PM FLASH FLOOD 1 E NORTH LAWNDALE - CH 41.86N 87.69W
08/24/2021 COOK IL BROADCAST MEDIA
DELAYED REPORT. REPORT OF CARS STALLED IN
WATER NEAR OGDEN AVENUE AND WESTERN AVENUE.
TIME ESTIMATED.
0917 PM HEAVY RAIN 1 ESE HARVARD 42.42N 88.60W
08/24/2021 M2.06 INCH MCHENRY IL MESONET
STORM TOTAL. 1.49 INCHES FELL OVER A ONE
HOUR PERIOD BETWEEN 6:14 AND 7:14 PM.
PERSONAL WEATHER STATION KILHARVA3.
1009 PM HEAVY RAIN 1 WSW EDGEWATER - CHICA 41.98N 87.67W
08/24/2021 M2.61 INCH COOK IL MESONET
STORM TOTAL. 2.16 INCHES FELL OVER A ONE
HOUR PERIOD BETWEEN 5:49 AND 6:49 PM.
PERSONAL WEATHER STATION KILCHICA855.
1014 PM HEAVY RAIN EDGEWATER - CHICAGO 41.99N 87.66W
08/24/2021 M3.24 INCH COOK IL MESONET
STORM TOTAL. 2.90 INCHES FELL OVER A ONE
HOUR PERIOD BETWEEN 5:49 AND 6:49 PM.
PERSONAL WEATHER STATION KILCHICA814.
0147 AM HEAVY RAIN 3 SE CHESTERTON 41.59N 87.03W
08/25/2021 M2.97 INCH PORTER IN MESONET
STORM TOTAL. 2.02 INCHES FELL OVER A ONE
HOUR PERIOD BETWEEN 8:01 AND 9:01 PM.
MESONET STATION FW7961 CHESTERTON.
0355 AM HEAVY RAIN HOBART 41.54N 87.26W
08/25/2021 M2.25 INCH LAKE IN MESONET
STORM TOTAL. 1.87 INCHES FELL OVER A ONE
HOUR PERIOD BETWEEN 8:00 AND 9:00 PM. USGS
413218087151701 - HOBART PRECIP STATION.
0630 AM HEAVY RAIN 2 E CHESTERTON 41.61N 87.03W
08/25/2021 M2.76 INCH PORTER IN COCORAHS
STORM TOTAL. COCORAHS STATION IN-PT-110
CHESTERTON 2 E.
0700 AM HEAVY RAIN 4 NNE HARVARD 42.48N 88.58W
08/25/2021 M4.14 INCH MCHENRY IL COCORAHS
STORM TOTAL. COCORAHS STATION IL-MCH-103
HARVARD 4.4 NNE.
0700 AM HEAVY RAIN 5 ESE CHESTERTON 41.59N 86.98W
08/25/2021 M3.25 INCH PORTER IN COCORAHS
STORM TOTAL. COCORAHS STATION IN-PT-91
CHESTERTON 5 ESE.
0700 AM HEAVY RAIN WEST RIDGE - CHICAGO 42.00N 87.70W
08/25/2021 M2.59 INCH COOK IL COCORAHS
STORM TOTAL. COCORAHS STATION IL-CK-94
CHICAGO - WEST RIDGE.
0700 AM HEAVY RAIN 1 WSW HARVARD 42.42N 88.63W
08/25/2021 M2.55 INCH MCHENRY IL CO-OP OBSERVER
STORM TOTAL. CO-OP OBSERVER STATION HVDI2
HARVARD.
0700 AM HEAVY RAIN CAPRON 42.40N 88.74W
08/25/2021 M2.50 INCH BOONE IL COCORAHS
STORM TOTAL. COCORAHS STATION IL-BN-14
CAPRON.
0800 AM HEAVY RAIN ROGERS PARK - CHICAGO 42.00N 87.67W
08/25/2021 M2.57 INCH COOK IL COCORAHS
STORM TOTAL. COCORAHS STATION IL-CK-232
CHICAGO - ROGERS PARK.
Rain Reports
COCORAHS PRECIPITATION SUMMARY NATIONAL WEATHER SERVICE CHICAGO IL 1000 AM CDT WED AUG 25 2021 COCORAHS PRECIPITATION REPORTS THESE REPORTS ARE CONSIDERED SUPPLEMENTAL AND UNOFFICIAL VALUES ARE FOR THE PREVIOUS 24 HOURS ENDING AROUND 7 AM LOCAL TIME :COCORAHS PRECIPITATION REPORTS IN ILLINOIS : SNOW SNOW WATER : PCPN FALL DEPTH EQUIV IL-MCH-103: HARVARD 4.4 NNE * : 4.14 / MM / MM / MM IL-CK-94 : LINCOLNWOOD 1.8 E * : 2.59 / MM / MM / MM IL-CK-232 : ROGERS PARK 0.6 ESE * : 2.57 / MM / MM / MM IL-BN-14 : CAPRON 0.1 N * : 2.50 / MM / MM / MM IL-CK-168 : RAVENSWOOD MANOR 0.1 ESE * : 2.33 / MM / MM / MM IL-CK-285 : HARWOOD HEIGHTS 0.4 NNE * : 2.15 / MM / MM / MM IL-CK-214 : ROGERS PARK 1.5 SW * : 2.10 / MM / MM / MM IL-CK-180 : PARK RIDGE 0.5 SSW * : 1.51 / MM / MM / MM IL-CK-321 : EVANSTON 0.9 S * : 1.43 / MM / MM / MM IL-LS-45 : STREATOR 1.3 WSW * : 1.43 / MM / MM / MM IL-LV-21 : CHATSWORTH 1.2 S * : 1.35 / MM / MM / MM IL-CK-334 : EVANSTON 0.6 S * : 1.29 / MM / MM / MM IL-CK-336 : EVANSTON 0.8 ESE * : 1.28 / 0.0 / 0.0 / 0.00 IL-CK-229 : FLOSSMOOR 1.2 ESE * : 1.27 / MM / MM / MM IL-IR-20 : CHEBANSE 0.6 SSW * : 1.26 / MM / MM / MM IL-KK-28 : CHEBANSE 0.4 NNE * : 1.25 / MM / MM / MM IL-CK-63 : ELK GROVE VILLAGE 0.6 ESE* : 1.17 / MM / MM / MM IL-KK-42 : CHEBANSE 0.8 ENE * : 1.17 / MM / MM / MM IL-CK-192 : PARK RIDGE 0.7 WNW * : 1.13 / MM / MM / MM IL-IR-22 : CHEBANSE 1.6 SW * : 1.12 / MM / MM / MM IL-DP-155 : MEDINAH 1.0 SSW * : 1.11 / 0.0 / 0.0 / 0.00 IL-IR-21 : CLIFTON 0.5 WNW * : 1.10 / MM / MM / MM IL-CK-74 : OAK PARK 1.3 NNE * : 1.07 / 0.0 / MM / MM IL-CK-366 : OAK PARK 1.0 NNE * : 1.03 / MM / MM / MM IL-WL-25 : CRETE 2.6 E * : 1.01 / MM / MM / MM IL-LK-9 : LAKE VILLA 1.1 SSW * : 0.98 / MM / MM / MM IL-LK-114 : ROUND LAKE HEIGHTS 0.5 NE* : 0.95 / MM / MM / MM IL-CK-14 : CHICAGO 5.5 ESE * : 0.95 / MM / MM / MM IL-KK-39 : HERSCHER 3.3 E * : 0.92 / 0.0 / 0.0 / MM IL-CK-323 : CHICAGO 6.8 NW * : 0.89 / MM / MM / MM IL-WL-23 : BEECHER 3.4 SSE * : 0.88 / MM / MM / MM IL-LK-112 : LINDENHURST 1.0 ENE * : 0.88 / MM / MM / MM IL-DP-150 : BLOOMINGDALE 1.2 ESE * : 0.87 / MM / MM / MM IL-GY-16 : MORRIS 6.4 ESE * : 0.84 / MM / MM / MM IL-CK-345 : FRANKLIN PARK 0.5 SSE * : 0.84 / MM / MM / MM IL-GY-1 : CARBON HILL 3.1 N * : 0.83 / 0.0 / 0.0 / MM IL-WN-50 : ROCKTON 3.1 SW * : 0.81 / 0.0 / 0.0 / MM IL-WL-20 : MANHATTAN 4.7 ENE * : 0.81 / 0.0 / 0.0 / MM IL-CK-325 : MOUNT PROSPECT 1.3 SSE * : 0.80 / MM / MM / MM IL-DP-174 : BOLINGBROOK 2.6 NE * : 0.79 / MM / MM / MM IL-GY-28 : MORRIS 1.5 SW * : 0.79 / MM / MM / MM IL-WL-84 : BEECHER 3.4 ENE * : 0.77 / MM / MM / MM IL-WL-149 : BULT FIELD-MONEE 4.9 SE * : 0.77 / 0.0 / 0.0 / MM IL-LK-100 : LONG LAKE 0.4 S * : 0.76 / MM / MM / MM IL-LS-50 : SENECA 1.2 NNE * : 0.75 / MM / MM / MM IL-GY-37 : MAZON 2.4 SE * : 0.75 / MM / MM / MM IL-GY-20 : MORRIS 2.5 SSE * : 0.75 / MM / MM / MM IL-LK-23 : WINTHROP HARBOR 0.2 SSE * : 0.75 / MM / MM / MM IL-IR-10 : BUCKLEY 0.2 SSE * : 0.74 / MM / MM / MM IL-KK-21 : MANTENO 2.2 SSE * : 0.73 / MM / MM / MM IL-WL-166 : NAPERVILLE 3.6 SE * : 0.72 / MM / MM / MM IL-DP-42 : CAROL STREAM 0.3 SSE * : 0.72 / MM / MM / MM IL-DP-117 : ELMHURST 2.0 SE * : 0.71 / MM / MM / MM IL-GY-11 : MORRIS 4.8 NNW * : 0.71 / MM / MM / MM IL-MCH-87 : MARENGO 0.7 NNW * : 0.70 / MM / MM / MM IL-GY-27 : MORRIS 5.9 ESE * : 0.69 / MM / MM / MM IL-DP-102 : BOLINGBROOK 2.7 NE * : 0.68 / MM / MM / MM IL-CK-12 : BRIDGEVIEW 1.3 NNW * : 0.65 / MM / MM / MM IL-CK-53 : GLENCOE 0.1 NW * : 0.65 / MM / MM / MM IL-CK-131 : SCHAUMBURG 2.0 E * : 0.65 / MM / MM / MM IL-CK-331 : NORTHFIELD 0.3 S * : 0.64 / MM / MM / MM IL-DP-85 : VILLA PARK 1.0 NW * : 0.64 / MM / MM / MM IL-LK-27 : WINTHROP HARBOR 0.7 SSW * : 0.64 / MM / MM / MM IL-LV-20 : CROPSEY 1.0 NE * : 0.63 / MM / MM / MM IL-CK-193 : WINNETKA 0.8 ESE * : 0.63 / MM / MM / MM IL-CK-163 : ARLINGTON HEIGHTS 1.2 SW * : 0.63 / MM / MM / MM IL-WN-41 : SOUTH BELOIT 1.5 ESE * : 0.62 / MM / MM / MM IL-IR-14 : WATSEKA 6.9 WNW * : 0.60 / MM / MM / MM IL-CK-347 : STREAMWOOD 1.1 WSW * : 0.60 / MM / MM / MM IL-LK-81 : LAKE VILLA 2.3 WSW * : 0.60 / MM / MM / MM IL-CK-253 : MIDLOTHIAN 0.1 SSE * : 0.58 / MM / MM / MM IL-MCH-85 : LAKE IN THE HILLS 2.5 W * : 0.58 / MM / MM / MM IL-LS-34 : LA SALLE 0.1 W * : 0.58 / MM / MM / MM IL-WN-10 : NEW MILLFORD 3.3 W * : 0.58 / 0.0 / 0.0 / MM IL-CK-322 : ARLINGTON HEIGHTS 0.8 NNW* : 0.57 / MM / MM / MM IL-FD-10 : GIBSON CITY 6.5 NE * : 0.55 / MM / MM / MM IL-LS-60 : PERU 0.7 ENE * : 0.55 / MM / MM / MM IL-LS-12 : PERU 0.6 SW * : 0.54 / MM / MM / MM IL-MCH-43 : ALGONQUIN 0.7 N * : 0.53 / 0.0 / 0.0 / 0.00 IL-CK-326 : MORTON GROVE 1.2 WNW * : 0.53 / MM / MM / MM IL-KK-45 : KANKAKEE 1.4 WSW * : 0.53 / MM / MM / MM IL-CK-75 : ELK GROVE VILLAGE 2.2 WSW* : 0.52 / MM / MM / MM IL-GY-34 : MORRIS 4.5 NW * : 0.51 / MM / MM / MM IL-KK-40 : ST ANNE 3.2 NNE * : 0.50 / MM / MM / MM IL-CK-342 : MERRIONETTE PARK 1.7 NE * : 0.50 / MM / MM / MM IL-MCH-13 : BULL VALLEY 2.5 WNW * : 0.50 / 0.0 / 0.0 / 0.00 IL-WL-105 : PLAINFIELD 2.9 NNW * : 0.50 / MM / MM / MM IL-GY-10 : MINOOKA 0.3 NE * : 0.49 / MM / MM / MM IL-IR-16 : CISSNA PARK 0.6 S * : 0.49 / MM / MM / MM IL-IR-2 : ASHKUM 5.6 E * : 0.48 / MM / MM / MM IL-DP-122 : CLARENDON HILLS 0.5 NW * : 0.48 / MM / MM / MM IL-LS-1 : OTTAWA 1.3 NW * : 0.48 / MM / MM / MM IL-LS-66 : MARSEILLES 3.0 WSW * : 0.48 / MM / MM / MM IL-LK-26 : ZION 0.5 WNW * : 0.48 / MM / MM / MM IL-KN-9 : ELGIN 1.0 S * : 0.47 / 0.0 / 0.0 / MM IL-KN-95 : ELGIN 2.5 W * : 0.46 / 0.0 / MM / MM IL-WN-45 : MACHESNEY PARK 0.9 W * : 0.46 / MM / MM / MM IL-DP-79 : BURR RIDGE 1.9 SW * : 0.45 / MM / MM / MM IL-WL-79 : PEOTONE 0.5 SE * : 0.45 / MM / MM / MM IL-CK-145 : OAK PARK 1.5 S * : 0.44 / MM / MM / MM IL-MCH-101: CRYSTAL LAKE 1.9 SW * : 0.44 / MM / MM / MM IL-WN-40 : ROCKFORD 4.5 WSW * : 0.44 / MM / MM / MM IL-KN-2 : ELGIN 2.3 WNW * : 0.44 / MM / MM / MM IL-WL-92 : NAPERVILLE 4.0 SSW * : 0.44 / MM / MM / MM IL-WL-42 : MOKENA 1.3 W * : 0.43 / MM / MM / MM IL-MCH-33 : WOODSTOCK 3.8 SW * : 0.43 / MM / MM / MM IL-WL-67 : CHANNAHON 2.5 SSE * : 0.43 / MM / MM / MM IL-LS-39 : OTTAWA 0.5 NNW * : 0.42 / MM / MM / MM IL-CK-277 : OAK FOREST 0.6 SSE * : 0.42 / MM / MM / MM IL-WN-44 : WINNEBAGO 5.4 SE * : 0.42 / MM / MM / MM IL-CK-306 : OAK FOREST 0.6 N * : 0.42 / 0.0 / 0.0 / MM IL-WL-46 : PEOTONE 0.4 ENE * : 0.41 / MM / MM / MM IL-WL-80 : LOCKPORT 1.3 SE * : 0.41 / MM / MM / MM IL-CK-148 : OAK LAWN 1.9 SE * : 0.41 / MM / MM / MM IL-KN-22 : GENEVA 1.0 SSW * : 0.40 / MM / MM / MM IL-LS-17 : OTTAWA 1.6 N * : 0.40 / 0.0 / MM / MM IL-LK-120 : WADSWORTH 1.4 S * : 0.40 / MM / MM / MM IL-KN-23 : BATAVIA 1.5 WNW * : 0.39 / MM / MM / MM IL-CK-361 : GLENVIEW 0.7 SE * : 0.39 / MM / MM / MM IL-DP-100 : BARTLETT 1.1 SE * : 0.39 / MM / MM / MM IL-WN-43 : ROCKFORD 3.8 S * : 0.39 / MM / MM / MM IL-WL-61 : CHANNAHON 0.8 NNE * : 0.39 / MM / MM / MM IL-DP-141 : GLEN ELLYN 1.1 WSW * : 0.39 / MM / MM / MM IL-CK-211 : OAK LAWN 1.6 WNW * : 0.38 / MM / MM / MM IL-CK-317 : HOFFMAN ESTATES 0.6 ESE * : 0.38 / MM / MM / MM IL-LK-69 : HIGHWOOD 0.9 S * : 0.37 / 0.0 / 0.0 / MM IL-CK-61 : OAK PARK 1.0 SW * : 0.37 / MM / MM / MM IL-LS-49 : NORTH UTICA 6.3 N * : 0.37 / MM / MM / MM IL-DP-38 : ELMHURST 0.4 SW * : 0.37 / MM / MM / MM IL-KN-118 : SLEEPY HOLLOW 0.7 W * : 0.37 / MM / MM / MM IL-WL-173 : LOCKPORT 5.0 W * : 0.36 / MM / MM / MM IL-LE-23 : SUBLETTE 3.1 WNW * : 0.36 / 0.0 / 0.0 / 0.00 IL-WL-99 : MANHATTAN 1.9 SE * : 0.35 / MM / MM / MM IL-CK-367 : MOUNT PROSPECT 0.2 NNE * : 0.35 / MM / MM / MM IL-DP-156 : NAPERVILLE 0.5 NW * : 0.35 / MM / MM / MM IL-MCH-95 : CARY 0.5 SSW * : 0.35 / MM / MM / MM IL-LS-57 : MENDOTA 0.4 ENE * : 0.35 / MM / MM / MM IL-WL-96 : WILMINGTON 6.3 NW * : 0.35 / MM / MM / MM IL-FD-9 : GIBSON CITY 3.0 WNW * : 0.34 / MM / MM / MM IL-DP-40 : LOMBARD 1.0 NNW * : 0.34 / MM / MM / MM IL-LE-10 : DIXON 3.0 NNW * : 0.34 / MM / MM / MM IL-WL-164 : WILMINGTON 0.9 ENE * : 0.34 / MM / MM / MM IL-MCH-83 : CRYSTAL LAKE 1.0 WSW * : 0.34 / MM / MM / MM IL-WN-48 : ROCKFORD 3.8 NNW * : 0.33 / MM / MM / MM IL-CK-106 : HOFFMAN ESTATES 4.6 W * : 0.33 / MM / MM / MM IL-CK-320 : PARK FOREST 0.7 WNW * : 0.33 / MM / MM / MM IL-CK-278 : HOFFMAN ESTATES 1.6 SE * : 0.33 / MM / MM / MM IL-KN-5 : BATAVIA 0.7 WSW * : 0.33 / 0.0 / 0.0 / MM IL-KD-24 : OSWEGO 5.0 SSE * : 0.33 / MM / MM / MM IL-WL-142 : MOKENA 3.4 WNW * : 0.33 / MM / MM / MM IL-KD-107 : YORKVILLE 2.1 NNW * : 0.33 / MM / MM / MM IL-KN-127 : GENEVA 0.6 SSE * : 0.32 / MM / MM / MM IL-CK-294 : PALATINE 1.4 NNE * : 0.32 / MM / MM / MM IL-CK-69 : PARK FOREST 0.8 NNE * : 0.32 / MM / MM / MM IL-MCH-35 : LAKEMOOR 1.9 NW * : 0.32 / MM / MM / MM IL-MCH-49 : CARY 0.3 NE * : 0.32 / MM / MM / MM IL-LE-8 : ASHTON 0.4 SSW * : 0.31 / 0.0 / 0.0 / 0.00 IL-LK-16 : BUFFALO GROVE 1.5 N * : 0.31 / MM / MM / MM IL-KD-34 : PLAINFIELD 4.8 SW * : 0.31 / 0.0 / 0.0 / MM IL-MCH-94 : MCHENRY 2.4 E * : 0.31 / MM / MM / MM IL-MCH-93 : MARENGO 0.8 S * : 0.31 / MM / MM / MM IL-MCH-96 : HUNTLEY 1.6 SW * : 0.30 / MM / MM / MM IL-LK-15 : BANNOCKBURN 0.5 ESE * : 0.30 / MM / MM / MM IL-LK-18 : GRAYSLAKE 0.7 WSW * : 0.30 / MM / MM / MM IL-CK-364 : EVERGREEN PARK 0.4 WNW * : 0.30 / MM / MM / MM IL-DK-39 : LEE 2.7 NNE * : 0.29 / MM / MM / MM IL-KD-102 : OSWEGO 2.4 SSW * : 0.29 / 0.0 / 0.0 / MM IL-DP-163 : LOMBARD 1.2 E * : 0.29 / MM / MM / MM IL-WL-100 : JOLIET 2.9 WNW * : 0.28 / MM / MM / MM IL-DP-118 : DARIEN 0.4 SSE * : 0.28 / MM / MM / MM IL-DP-132 : WHEATON 2.0 NNE * : 0.28 / 0.0 / 0.0 / 0.00 IL-KD-106 : YORKVILLE 2.8 NE * : 0.28 / MM / MM / MM IL-WN-26 : ROCKFORD 1.5 ENE * : 0.28 / MM / MM / MM IL-WL-72 : NEW LENOX 2.9 ENE * : 0.28 / MM / MM / MM IL-IR-24 : CLIFTON 3.9 ESE * : 0.27 / MM / MM / MM IL-CK-149 : OAK LAWN 0.5 SSW * : 0.27 / MM / MM / MM IL-KN-129 : ELGIN 5.8 WNW * : 0.27 / MM / MM / MM IL-WN-52 : LOVES PARK 2.5 SSE * : 0.26 / MM / MM / MM IL-WL-16 : HOMER GLEN 0.8 ENE * : 0.26 / MM / MM / MM IL-WL-73 : WILMINGTON 2.6 SE * : 0.26 / MM / MM / MM IL-KD-111 : YORKVILLE 3.1 N * : 0.26 / MM / MM / MM IL-KD-123 : AURORA 4.1 SSE * : 0.25 / MM / MM / MM IL-WL-97 : NEW LENOX 3.3 E * : 0.25 / 0.0 / 0.0 / 0.00 IL-CK-121 : PALATINE 1.3 E * : 0.24 / 0.0 / 0.0 / MM IL-DK-36 : DE KALB 3.5 WSW * : 0.24 / MM / MM / MM IL-KN-104 : GENEVA 3.9 WSW * : 0.24 / 0.0 / 0.0 / 0.00 IL-KN-135 : BATAVIA 0.8 W * : 0.23 / MM / MM / MM IL-CK-88 : COUNTRYSIDE 0.8 ENE * : 0.23 / MM / MM / MM IL-LE-22 : AMBOY 0.5 SSW * : 0.23 / 0.0 / 0.0 / 0.00 IL-CK-98 : LA GRANGE PARK 0.7 SSW * : 0.23 / MM / MM / MM IL-IR-25 : MILFORD 3.5 ENE * : 0.22 / MM / MM / MM IL-KD-109 : YORKVILLE 1.0 N * : 0.22 / MM / MM / MM IL-WL-131 : HOMER GLEN 0.7 NNE * : 0.22 / MM / MM / MM IL-KN-86 : ELGIN 7.5 WSW * : 0.22 / MM / MM / MM IL-WL-121 : MONEE 4.9 W * : 0.22 / MM / MM / MM IL-KN-98 : GILBERTS 0.5 N * : 0.21 / MM / MM / MM IL-DP-164 : WEST CHICAGO 3.5 SE * : 0.20 / MM / MM / MM IL-KD-110 : YORKVILLE 0.9 SSW * : 0.20 / MM / MM / MM IL-CK-316 : OAK LAWN 0.8 WSW * : 0.19 / MM / MM / MM IL-LK-42 : GURNEE 1.6 W * : 0.19 / MM / MM / MM IL-LK-121 : LIBERTYVILLE 0.4 ESE * : 0.19 / MM / MM / MM IL-WL-172 : JOLIET 2.0 WNW * : 0.19 / MM / MM / MM IL-BN-19 : BELVIDERE 5.0 NNW * : 0.19 / MM / MM / MM IL-LE-5 : STERLING 4.3 NE * : 0.19 / MM / MM / MM IL-KN-121 : GENEVA 1.3 NW * : 0.18 / 0.0 / 0.0 / 0.00 IL-KN-51 : SUGAR GROVE 1.4 ENE * : 0.18 / MM / MM / MM IL-CK-152 : CHICAGO RIDGE 0.2 WSW * : 0.18 / 0.0 / MM / MM IL-LK-103 : BUFFALO GROVE 1.3 ESE * : 0.17 / MM / MM / MM IL-DP-157 : WEST CHICAGO 3.5 NNE * : 0.17 / MM / MM / MM IL-KN-67 : ST. CHARLES 6.0 NW * : 0.17 / 0.0 / 0.0 / MM IL-DK-5 : CORTLAND 0.3 SSW * : 0.16 / MM / MM / MM IL-KN-133 : GENEVA 0.9 E * : 0.16 / MM / MM / MM IL-CK-346 : PALATINE 1.2 NW * : 0.16 / MM / MM / MM IL-WL-63 : NEW LENOX 1.8 SE * : 0.16 / MM / MM / MM IL-CK-50 : PALOS PARK 1.3 SW * : 0.16 / MM / MM / MM IL-DK-28 : DE KALB 0.7 SW * : 0.15 / 0.0 / 0.0 / 0.00 IL-LK-54 : MUNDELEIN 0.5 NNE * : 0.15 / MM / MM / MM IL-DP-57 : AURORA 3.5 NE * : 0.15 / MM / MM / MM IL-KD-7 : PLANO 0.4 NNE * : 0.14 / MM / MM / MM IL-WL-58 : PLAINFIELD 3.0 ESE * : 0.14 / MM / MM / MM IL-LK-119 : LAKE ZURICH 1.4 W * : 0.13 / MM / MM / MM IL-DK-27 : KINGSTON 2.3 WNW * : 0.13 / MM / MM / MM IL-DK-38 : CORTLAND 0.3 E * : 0.13 / MM / MM / MM IL-KN-4 : SUGAR GROVE 0.7 NE * : 0.13 / MM / MM / MM IL-KD-99 : MONTGOMERY 3.5 WSW * : 0.12 / MM / MM / MM IL-KN-130 : ST. CHARLES 0.2 NNW * : 0.12 / MM / MM / MM IL-KN-64 : ST. CHARLES 0.1 E * : 0.11 / 0.0 / 0.0 / MM IL-WL-51 : PLAINFIELD 2.4 SSE * : 0.11 / MM / MM / MM IL-LK-19 : WAUKEGAN 2.2 N * : 0.10 / MM / MM / MM IL-LK-87 : LAKE ZURICH 1.3 N * : 0.10 / MM / MM / MM IL-DP-176 : WINFIELD 0.6 SSW * : 0.10 / MM / MM / MM IL-LE-25 : DIXON 0.8 NE * : 0.10 / MM / MM / MM IL-KN-123 : AURORA 2.8 WSW * : 0.09 / 0.0 / MM / MM IL-KN-128 : BATAVIA 3.4 WSW * : 0.09 / MM / MM / MM IL-DP-30 : LISLE 0.5 WSW * : 0.08 / MM / MM / MM IL-LK-39 : RIVERWOODS 0.4 ENE * : 0.08 / MM / MM / MM IL-DK-29 : EARLVILLE 4.8 NNE * : 0.08 / MM / MM / MM IL-KD-5 : MONTGOMERY 0.8 SSE * : 0.06 / MM / MM / MM IL-KN-119 : MAPLE PARK 3.1 SE * : 0.04 / MM / MM / MM IL-KN-33 : NORTH AURORA 1.5 NE * : 0.04 / MM / MM / MM IL-DP-101 : AURORA 3.8 SE * : 0.04 / 0.0 / 0.0 / 0.00 IL-DP-16 : AURORA 3.6 SE * : 0.03 / MM / MM / MM IL-KN-125 : MAPLE PARK 0.1 S * : 0.00 / 0.0 / MM / MM IL-WL-165 : FRANKFORT 1.3 ESE * : MM / MM / MM / MM :COCORAHS PRECIPITATION REPORTS IN INDIANA : SNOW SNOW WATER : PCPN FALL DEPTH EQUIV IN-PT-91 : CHESTERTON 4.2 E * : 3.25 / MM / MM / MM IN-PT-110 : CHESTERTON 1.4 ENE * : 2.76 / MM / MM / MM IN-LK-115 : GARY 5.9 ENE * : 2.46 / MM / MM / MM IN-PT-69 : PORTER 0.6 S * : 2.46 / MM / MM / MM IN-LK-63 : GARY 4.8 ENE * : 2.40 / 0.0 / MM / MM IN-PT-159 : CHESTERTON 3.9 ESE * : 2.20 / MM / MM / MM IN-PT-134 : VALPARAISO 1.7 N * : 2.13 / MM / MM / MM IN-PT-170 : BEVERLY SHORES 0.8 W * : 2.10 / MM / MM / MM IN-PT-133 : VALPARAISO 2.2 WNW * : 2.07 / MM / MM / MM IN-PT-63 : VALPARAISO 1.8 NW * : 2.05 / 0.0 / 0.0 / 0.00 IN-LK-111 : HOBART 1.1 S * : 2.02 / MM / MM / MM IN-PT-98 : VALPARAISO 0.9 NNW * : 1.81 / 0.0 / 0.0 / 0.00 IN-JS-73 : WHEATFIELD 4.1 WSW * : 1.81 / MM / MM / MM IN-PT-157 : PORTAGE 2.4 NNW * : 1.77 / MM / MM / MM IN-LK-114 : HOBART 2.0 NNW * : 1.74 / MM / MM / MM IN-PT-117 : VALPARAISO 5.5 SSW * : 1.72 / MM / MM / MM IN-PT-128 : VALPARAISO 1.0 NE * : 1.60 / MM / MM / MM IN-JS-46 : WHEATFIELD 4.6 W * : 1.56 / MM / MM / MM IN-PT-8 : VALPARAISO 0.6 SE * : 1.31 / MM / MM / MM IN-LK-26 : CROWN POINT 1.1 N * : 1.29 / MM / MM / MM IN-PT-80 : PORTAGE 2.8 E * : 1.28 / MM / MM / MM IN-JS-1 : WHEATFIELD 2.8 S * : 1.27 / MM / MM / MM IN-PT-171 : VALPARAISO 2.5 N * : 1.13 / MM / MM / MM IN-JS-31 : DE MOTTE 5.9 S * : 1.10 / MM / MM / MM IN-LK-99 : ST. JOHN 2.8 SE * : 1.07 / MM / MM / MM IN-PT-3 : VALPARAISO 2.0 WSW * : 1.06 / MM / MM / MM IN-JS-16 : RENSSELAER 8.4 ENE * : 1.05 / MM / MM / MM IN-JS-37 : DE MOTTE 0.8 NNW * : 1.04 / MM / MM / MM IN-JS-36 : DE MOTTE 1.3 SW * : 1.02 / MM / MM / MM IN-PT-79 : LAKES OF THE FOUR SEASONS* : 1.01 / MM / MM / MM IN-LK-67 : SCHERERVILLE 1.1 E * : 0.98 / MM / MM / MM IN-LK-85 : HEBRON 6.0 SSW * : 0.95 / MM / MM / MM IN-LK-86 : HEBRON 3.0 SSW * : 0.95 / MM / MM / MM IN-JS-56 : RENSSELAER 1.9 N * : 0.89 / MM / MM / MM IN-LK-15 : DYER 1.0 WNW * : 0.85 / MM / MM / MM IN-JS-45 : DE MOTTE 1.2 SSW * : 0.85 / MM / MM / MM IN-JS-43 : RENSSELAER 10.5 NNE * : 0.81 / MM / MM / MM IN-LK-78 : SCHERERVILLE 1.4 E * : 0.80 / MM / MM / MM IN-LK-113 : HEBRON 4.3 SSW * : 0.75 / MM / MM / MM IN-LK-110 : HIGHLAND 0.7 SW * : 0.75 / MM / MM / MM IN-LK-91 : MUNSTER 1.5 NNW * : 0.74 / MM / MM / MM IN-JS-54 : RENSSELAER 4.3 N * : 0.68 / MM / MM / MM IN-JS-7 : RENSSELAER 1.9 SSW * : 0.63 / MM / MM / MM IN-JS-14 : RENSSELAER 5.2 NW * : 0.63 / MM / MM / MM IN-LK-107 : LOWELL 3.1 NNW * : 0.54 / MM / MM / MM IN-JS-49 : DE MOTTE 4.1 SW * : 0.53 / MM / MM / MM IN-LK-94 : GRIFFITH 1.2 N * : 0.46 / MM / MM / MM IN-LK-98 : GRIFFITH 1.2 N * : 0.46 / MM / MM / MM IN-JS-47 : REMINGTON 0.3 N * : 0.38 / MM / MM / MM IN-NW-6 : KENTLAND 1.7 SSE * : 0.10 / MM / MM / MM
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