Flash Flood Watch in Northwestern Illinois

Northwestern Illinois — The National Weather Service has issued a Flash Flood Watch which remains in effect into early this afternoon until 1:00 p.m.

Scattered thunderstorms are likely across the area through midday. With a moist air mass in place the storms may contain heavy rainfall and could produce rainfall rates in excess of an inch per hour. The threat of heavy rain combined with near saturated soils from past rainfall will lead to the threat of flash flooding.


The Flash Flood Watch continues for portions of northwest Illinois and Iowa, including the following areas, in northwest Illinois, Carroll, Jo Daviess, Mercer, Rock Island, Stephenson, and Whiteside. In Iowa, Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry IA, Iowa, Jackson, Jefferson, Johnson, Jones,
Keokuk, Lee, Linn, Louisa, Muscatine, Scott, Van Buren, and Washington.

* Until 1 PM CDT this afternoon

* Heavy rainfall from slow moving thunderstorms, and repeated rounds of thunderstorms, may lead to flash flooding through midday.

* Heavy rain falling on saturated soils will result in potential flooding along streams, creeks and low lying areas. Street flooding will also be possible, especially in urban areas.

Recommended actions

A Flash Flood Watch means that flash flooding is possible. Monitor forecasts and take action if flash flood warnings are issued or flash flooding develops.

Flood Warning now in effect until Friday evening…

The Flood Warning continues for The Pecatonica River at Freeport Until Friday evening.

* At 9:30 AM Monday the stage was 11.5 feet and steady.
* Flood stage is 13.0 feet.
* No flooding is occurring and Minor flooding is forecast.
* Forecast, Rise above flood stage Tuesday evening and continue rising to 13.2 feet Thursday morning. The river will fall below flood stage Friday evening.

* Impact, At 13.0 feet, Flood Stage. Water affects low lying sections of Freeport mainly east of the Pecatonica River.


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