Flood Advisory

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Southwestern De Kalb County in north central Illinois... La Salle County in north central Illinois...

* WHEN...Until 230 AM CDT.

* IMPACTS...Creeks and streams may rise out of their banks. Roads and streets may be flooded.

* ADDITIONAL DETAILS... - At 1131 PM CDT, Doppler radar indicated slow moving thunderstorms producing rainfall rates of 1 to 2 inches per hour. Up to 1.5 inches of rain have fallen so far near Grand Ridge. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Ottawa, Streator, Peru, La Salle, Sandwich, Mendota, Marseilles, Sheridan, Shabbona, Lake Holiday, Oglesby, Seneca, Somonauk, Earlville, Waterman, North Utica, Serena, Leland, Tonica and Grand Ridge. - http://www.weather.gov/safety/flood