Flood Warning for portions of Winnebago, Ogle and Boone Counties in effect until Noon CDT Tuesday

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A Flood Warning is in effect until noon CDT Tuesday for portions of Ogle, Winnebago and Boone Counties in northern Illinois (dark-green-shaded areas on the highlighted map).

Showers and thunderstorms with locally heavy downpours will continue into the early morning hours across northern Illinois.

The three counties have already received 3 to 5-inches of rain and some spots, especially the immediate Rockford area have experienced extensive flooding.

Runoff from this early morning rainfall will most likely continue flooding over the warned area until noon Tuesday.


Significant flooding has occurred and will continue past midnight (Flash Flood Warning – red-shaded area on the highlighted map) in Winnebago and Boone Counties, Illinois. A Flood Emergency is in effect in the city of Rockford. Earlier this evening flooding waist deep and even higher in spots covered streets with one to two-feet of water and left stalled/stranded and submerged cars in parts of  Rockford. Showers and thunderstorms continue in that area at 10:30PM. Check the latest Interactive Radar display.

The band of eastward-moving strongest thunderstorms/heaviest rains had shifted south to the Interstate-88 corridor with “training” (storms developing and moving over the same locations, additional 2 to 3-inch rains are possible in the I-88 band of storms that continues to slowly sink south toward Interstate-80.

Following are some of the latest rainfall reports between 7 and 10PM this Monday evening…

1 mile east of Rockford…5.00-inches with flooding in progress
In the city of Rockford…4.50-inches
2 miles east of Rockford…3.10-inches
Capron, Bone County…3.74-inhes
3 miles northwest of Winnebago…2.70-inches
3 miles ENE of Roscoe…3.42-inches
Rockford Airport…1.34-inches
0.5 mile north of Davis (Stephenson CO)…3.71-inches


Latest Weather Radar Mosaic…


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