Weather Alerts For Barrington, IL

# HEADLINE -------------------- The Flood Warning is extended for the following rivers in Illinois FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING # SUMMARY -------------------- Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. # DETAILS -------------------- WHAT Moderate flooding is occurring and moderate flooding is forecast. WHERE Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. WHEN Until Tuesday morning. IMPACTS At 10.5 feet, Structures threatened along Fox River Drive in East Dundee. Parking lots threatened in downtown West Dundee. Low-lying sections of Cornish Park are inundated in Algonquin. Low-lying sections of Trout Park inundated north of Elgin. ADDITIONAL DETAILS - At 9:30 AM CDT Saturday the stage was 10.6 feet. - FORECAST - The river is expected to continue a gradual fall. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood ISSUED AT Saturday, May 2, 2026 at 9:44 AM CDT ISSUED BY National Weather Service Chicago IL HEADER Flood Statement # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.

Pollen Index: 9.2 Pollen Level: medium-high Predominant Pollen: Birch, Maple and Poplar/Aspen/Cottonwood. Concentration of pollen grains in the air for Sunday will be unchanged in the high range. Constant and seasonally normal weather conditions tend to stabilize pollen concentrations in the outdoor air.