Active Weather Alerts
Small Craft Advisory
Issued: 2:20 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 expected. * 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: 11:37 AM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM THIS MORNING TO EARLY 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...From this morning to early tomorrow afternoon. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 6:15 AM CDT Saturday the stage was 9.0 feet. - Forecast...The river is expected to rise to a crest of 10.0 feet this afternoon. It will then fall below flood stage tomorrow morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
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