Active Weather Alerts
River Flood Warning
Issued: 2:47 AM Jun. 12, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO EARLY SATURDAY MORNING... * WHAT...Minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...From late tonight to early Saturday morning. * IMPACTS...At 8.0 feet, Athletic fields are inundated at Glenwood Academy. At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 9:30 PM CDT Thursday the stage was 8.3 feet. - Forecast...The river is expected to rise above flood stage around midnight tonight and crest near 9.5 feet tomorrow morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
Small Craft Advisory
Issued: 2:47 AM Jun. 12, 2026 – National Weather Service
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM CDT FRIDAY... * WHAT...West winds to 25 kt and significant waves to 5 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 1 AM CDT Friday. * 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: 2:44 AM Jun. 12, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL TOMORROW EVENING... * WHAT...Minor flooding is forecast. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...Until tomorrow evening. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 10.7 feet. - Forecast...The river is expected to quickly rise above flood stage late this evening to a crest near 13.0 feet late tonight. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
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