Active Weather Alerts
Small Craft Advisory
Issued: 7:40 PM Apr. 4, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT SUNDAY... * WHAT...West winds to 30 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 10 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
River Flood Warning
Issued: 4:34 PM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW AFTERNOON... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until tomorrow afternoon. * IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood. * ADDITIONAL DETAILS... - At 11:15 AM CDT Saturday the stage was 10.0 feet. - Forecast...The river is expected to rise to a crest of 10.4 feet this evening. It will then fall below flood stage late tomorrow morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Watch
Issued: 4:29 PM Apr. 4, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM SUNDAY AFTERNOON TO WEDNESDAY MORNING... * WHAT...Flooding is possible. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...From Sunday afternoon to Wednesday morning. * IMPACTS...At 13.0 feet, Low-lying trails in Wright Woods Forest Preserve are inundated. * ADDITIONAL DETAILS... - At 10:45 AM CDT Saturday the stage was 11.3 feet. - Forecast...Flood stage may be reached tomorrow afternoon. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood &&
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