Alertes en vigueurMendota, IL

What: Flash flooding caused by excessive rainfall is possible.
Where: Portions of Illinois, including the following areas, Central Cook, De Kalb, DuPage, Eastern Will, Ford, Grundy, Iroquois, Kane, Kankakee, Kendall, La Salle, Lee, Livingston, Northern Cook, Northern Will, Southern Cook and Southern Will and northwest Indiana, including the following areas, Benton, Jasper, Lake IN, Newton and Porter.
When: Until 4 AM CDT /5 AM EDT/ Thursday.
Impacts: Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded.
Additional Details: - A line of thunderstorms with rainfall rates locally in excess of 1 to 2 inches per hour may move across portions of northern and northeastern Illinois late this evening. Rainfall may lead to flooding, especially in urban areas and areas that received heavy rainfall earlier this afternoon. - http://www.weather.gov/safety/flood

A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.

What: Flooding caused by excessive rainfall is expected.
Where: A portion of north central Illinois, including the following county, La Salle.
When: Until 1100 PM CDT.
Impacts: Creeks and streams may rise out of their banks. Roads and streets may be flooded.
Additional Details: - At 802 PM CDT, Doppler radar indicated heavy rain due to thunderstorms producing rainfall rates of 1 to 2 inches per hour. - Some locations that will experience flooding include Ottawa, Streator, Peru, La Salle, Marseilles, Oglesby, Seneca, North Utica, Tonica, Grand Ridge, Naplate, Dayton, Lostant, Ransom, Rutland, Cedar Point, Kangley, Dana, Leonore and Wedron. - http://www.weather.gov/safety/flood

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.