June 15, 2018: Heavy Rain & Localized Flash Flooding in North Central Illinois

During the very early morning hours of Friday, June 15, a line of very slow-moving thunderstorms developed across north central Illinois, basically just west of Interstate 39. These brought a narrow axis of 3-5" of rain, including to parts of Rockford and Rochelle. Flash flooding was reported in both locations. Flash flood warnings were issued for this area.

Rainfall

Rain and Flooding Reports

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
435 PM CDT FRI JUN 15 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0654 AM     HEAVY RAIN       ROCKFORD AIRPORT        42.20N 89.10W
06/15/2018  M1.77 INCH       WINNEBAGO          IL   ASOS

            STORM TOTAL 1.77 INCHES THROUGH 654 AM.

0720 AM     LIGHTNING        ROCHELLE                41.92N 89.06W
06/15/2018                   OGLE               IL   TRAINED SPOTTER

            LIGHTNING STRUCK A GARAGE AND STARTED A FIRE.

0725 AM     FLOOD            ROCHELLE                41.92N 89.06W
06/15/2018                   OGLE               IL   TRAINED SPOTTER

            STANDING WATER ON SOUTH 9TH STREET.

0745 AM     FLASH FLOOD      1 N ROCHELLE            41.93N 89.06W
06/15/2018                   OGLE               IL   BROADCAST MEDIA

            VIEWER REPORT OF KYTE RIVER OUT OF BANK BY ROADSIDE PARK
            ON ROUTE 38.

0745 AM     HAIL             ROCHELLE                41.92N 89.06W
06/15/2018  E0.88 INCH       OGLE               IL   TRAINED SPOTTER

            NICKEL SIZE HAIL IN ROCHELLE.

0833 AM     HEAVY RAIN       ROCHELLE                41.92N 89.06W
06/15/2018  M4.60 INCH       OGLE               IL   PUBLIC

            VIA TWITTER.

0953 AM     FLASH FLOOD      ROCKFORD                42.27N 89.06W
06/15/2018                   WINNEBAGO          IL   NEWSPAPER

            FLOODED, LIBERTY AVENUE NEAR CARBAUGH AVENUE CURRENTY
            UNDER WATER. PARTIALLY FLOODED, IL-2 AND MAIN STREET IN
            WINNEBAGO COUNTY NEAR ROCKFORD.

1133 AM     HEAVY RAIN       ROCKFORD                42.27N 89.06W
06/15/2018  M2.89 INCH       WINNEBAGO          IL   BROADCAST MEDIA

            REPORTED FROM WTVO

0142 PM     HEAVY RAIN       12 WNW ROCKFORD AIRPORT 42.27N 89.32W
06/15/2018  E2.90 INCH       WINNEBAGO          IL   PUBLIC

            STORM TOTAL FROM THIS MORNING

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