Active Weather Alerts
Flood Watch
Issued: 4:57 AM Apr. 4, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/ SATURDAY... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern and central Illinois and northwest Indiana. * WHEN...Until 10 AM CDT /11 AM EDT/ Saturday. * IMPACTS...Roads and streets may be flooded. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - Recent rounds of heavy rainfall have left soils saturated and stream and creek levels elevated across the area. Additional rounds of heavy rainfall overnight may lead to rapid run-off and an increased threat of flash flooding. - 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. &&
River Flood Warning
Issued: 3:12 AM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL EARLY WEDNESDAY MORNING... * WHAT...Minor flooding is forecast. * WHERE...Illinois River from Heritage Harbor east of Ottawa downstream to Starved Rock Lock and Dam, including the Ottawa gauge. * WHEN...Until early Wednesday morning. * IMPACTS...At 466.5 feet, Low-lying sections of Fox River Park in Ottawa are inundated including Hudson Street River Walk. St. Clair Street is threatened in Ottawa. * ADDITIONAL DETAILS... - At 9:30 PM CDT Friday the stage was 462.8 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 466.1 feet early Sunday afternoon. It will then fall below flood stage late Tuesday evening. - Flood stage is 463.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 3:09 AM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:45 PM CDT Friday the stage was 20.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 PM CDT Friday was 20.3 feet. - Forecast...The river is expected to rise to a crest of 25.0 feet Sunday evening. It will then fall below flood stage Friday, April 10. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 2:46 AM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE MONDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Millington downstream to confluence with the Illinois River, including the Dayton gauge. * WHEN...Until late Monday evening. * IMPACTS...At 13.0 feet, Residential structures threatened along 2062nd Road in Wedron. Water overflows low-lying banks in Dayton and Ottawa. * ADDITIONAL DETAILS... - At 8:45 PM CDT Friday the stage was 12.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Friday was 12.4 feet. - Forecast...The river is expected to rise to a crest of 13.2 feet Sunday morning. It will then fall below flood stage Monday afternoon. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
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