Active Weather Alerts
Beach Hazard Statement
Issued: 2:21 AM Jun. 23, 2026 – National Weather Service
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 AM CDT TUESDAY... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 feet expected. * WHERE...Lake IL and Northern Cook Counties. * WHEN...Until 4 AM CDT Tuesday. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. &&
Small Craft Advisory
Issued: 2:18 AM Jun. 23, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * WHAT...Significant waves to 6 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 1 AM CDT Tuesday. * 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: 1:14 AM Jun. 23, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING... * WHAT...Minor flooding is occurring and 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 Tuesday morning. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 12.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 13.2 feet. - Forecast...The river is expected to fall below flood stage around sunrise Tuesday and continue falling through the day. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:14 AM Jun. 23, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING... * 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 Tuesday morning. * IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 10.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 11.6 feet. - Forecast...The river is expected to fall below flood stage around sunrise Tuesday and continue falling through the day. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
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