Active Weather Alerts
Frost Advisory
Issued: 8:32 AM May. 1, 2026 – National Weather Service
...FROST ADVISORY IN EFFECT FROM 1 AM CDT /2 AM EDT/ TO 8 AM CDT /9 AM EDT/ SATURDAY... * WHAT...Temperatures as low as 31 degrees Fahrenheit will result in frost formation. * WHERE...Portions of east central, north central, and northeast Illinois and northwest Indiana. * WHEN...From 1 AM CDT /2 AM EDT/ to 8 AM CDT /9 AM EDT/ Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
River Flood Warning
Issued: 1:57 AM May. 1, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY TUESDAY MORNING... * 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 early Tuesday morning. * IMPACTS...At 11.0 feet, Structures threatened near Elgin Avenue and Corey Street south of East Dundee. Lincoln Avenue threatened in West Dundee. Filip Street and Fox River Drive threatened in Algonquin. Fox River Trail threatened south of downtown Elgin. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 11.0 feet. - Forecast...The river is expected to continue a gradual fall. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood &&
Flood Warning
Issued: 8:08 PM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL SUNDAY... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until Sunday. * IMPACTS...Multiple roads, yards, and areas of park land are flooding along the Fox River Chain of Lakes. Flooding is expected to continue until this weekend. * ADDITIONAL DETAILS... - At 304 PM CDT, River gauges along the Fox River Chain of Lakes indicated that water levels continue to slowly fall. - The latest forecast from the Illinois Department of Natural Resources indicates that water levels should fall to near flood stage by this weekend. - Some locations that will experience flooding include areas along the Fox River Chain of Lakes, including Nippersink Lake, Fox Lake, Pistakee Lake, Petite Lake, Lake Marie, Channel Lake, and Lake Catherine. - http://www.weather.gov/safety/flood &&
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