Active Weather Alerts
Flood Advisory
Issued: 2:06 PM Aug. 12, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northern Livingston County in central Illinois... Southeastern De Kalb County in north central Illinois... Northeastern La Salle County in north central Illinois... Grundy County in northeastern Illinois... Kendall County in northeastern Illinois... * WHEN...Until 100 PM CDT. * IMPACTS...Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 906 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms with rainfall rates of 1 to 2 inches per hour moving into an area with high soil moisture due to recent rainfall. Minor flooding may begin shortly after the onset of rainfall. - Some locations that will experience flooding include... Oswego, Ottawa, Yorkville, Streator, Morris, Channahon, Minooka, Plano, Sandwich, Coal City, Marseilles, Dwight, Sheridan, Montgomery, Boulder Hill and Lake Holiday. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
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