Active Weather Alerts
Flood Advisory
Issued: 4:16 AM Mar. 11, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 115 AM CDT WEDNESDAY... ...REPLACES FLASH FLOOD WARNING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of north central Illinois, including the following county, La Salle. * WHEN...Until 115 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - At 1115 PM CDT, Doppler radar and automated rain gauges indicated that earlier heavy rainfall had moved out of the area. Up to 2.5 inches of rainfall has been observed. - Little to no additional heavy rainfall is expected over the next few hours, but some creeks and streams may continue to rise from earlier rainfall. - Some locations that will experience flooding include... Ottawa, Peru, La Salle, Sheridan, Lake Holiday, North Utica, Serena, Millington, Dayton, Troy Grove, Harding, Prairie Center, Wedron, Triumph and Norway. - 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. &&
Flood Watch
Issued: 12:34 AM Mar. 11, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 3 AM CDT WEDNESDAY... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following counties, Central Cook, DuPage, Eastern Will, Grundy, Kane, Kankakee, Kendall, La Salle, Northern Cook, Northern Will, Southern Cook and Southern Will and northwest Indiana, including the following counties, Lake IN and Porter. * WHEN...Until 3 AM CDT Wednesday. * 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... - Multiple rounds of showers and thunderstorms with rainfall rates up to 1 to 2 inches per hour will be possible this evening until later tonight. The highest chance for flooding will be in urban areas and locations that received heavy rainfall over the last several days. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
Local Radar