Active Weather Alerts
Beach Hazard Statement
Issued: 2:55 AM Jun. 18, 2026 – National Weather Service
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 AM CDT THURSDAY... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 5 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through late tonight. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. 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: 2:44 AM Jun. 18, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THURSDAY... * WHAT...West winds 25 to 30 kt and significant waves 5 to 6 ft occasionally to 8 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 9 AM CDT Thursday. * 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: 1:06 AM Jun. 18, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE TOMORROW EVENING... * WHAT...Minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until late tomorrow evening. * IMPACTS...At 11.5 feet, Glenwood Thornton Road threatened north of Glenwood. * ADDITIONAL DETAILS... - At 7:45 PM CDT Wednesday the stage was 8.4 feet. - Forecast...The river is expected to crest near 12 feet just after midnight tonight, then begin a slow fall. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:03 AM Jun. 18, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW EVENING... * 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 tomorrow evening. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 7:00 PM CDT Wednesday the stage was 12.4 feet. - Forecast...The river is expected to crest of near 14 feet after midnight tonight. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
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