Active Weather Alerts
Beach Hazard Statement
Issued: 8:41 PM Jul. 16, 2025 – National Weather Service
...BEACH HAZARDS STATEMENT IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From Thursday morning through Friday morning. * 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. &&
Special Marine Warning
Issued: 8:37 PM Jul. 16, 2025 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 445 PM CDT... For the following areas... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 336 PM CDT, severe thunderstorms were located along a line extending from 6 nm northwest of Ohare Airport to 6 nm west of Diversy Harbor to near Midway Airport to 14 nm southwest of Hammond Marina, moving northeast at 40 knots. These storms have a history of producing wind damage and measured gusts over 60 mph across DuPage and Will County. HAZARD...Wind gusts in excess of 50 knots. SOURCE...Public. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. Locations impacted include... Harrison-Dever Crib, Burnham Harbor, Hammond Marina, Wilmette Harbor, Jackson Park Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Belmont Harbor, Calumet Harbor, Marina Shores at Dune Harbor, and 59th Street Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... && HAIL...0.00IN; WIND...50KTS
Small Craft Advisory
Issued: 8:26 PM Jul. 16, 2025 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 4 AM CDT FRIDAY... * WHAT...North winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 9 AM Thursday to 4 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. &&
Severe Thunderstorm Watch
Issued: 7:28 PM Jul. 16, 2025 – National Weather Service
SEVERE THUNDERSTORM WATCH 518 REMAINS VALID UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 12 COUNTIES IN NORTH CENTRAL ILLINOIS BOONE DE KALB LA SALLE IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANE KANKAKEE KENDALL LAKE IL MCHENRY WILL IN INDIANA THIS WATCH INCLUDES 2 COUNTIES IN NORTHWEST INDIANA LAKE IN PORTER THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE, BOLINGBROOK, BOURBONNAIS, BUFFALO GROVE, CAROL STREAM, CHESTERTON, CHICAGO, COAL CITY, CRYSTAL LAKE, DEKALB, DOWNERS GROVE, ELGIN, EVANSTON, GARY, GURNEE, HAMMOND, JOLIET, KANKAKEE, LA SALLE, LEMONT, LOMBARD, MARSEILLES, MCHENRY, MENDOTA, MERRILLVILLE, MINOOKA, MORRIS, MUNDELEIN, NAPERVILLE, OAK LAWN, ORLAND PARK, OSWEGO, OTTAWA, PARK FOREST, PLANO, PORTAGE, SCHAUMBURG, STREATOR, SYCAMORE, VALPARAISO, WAUKEGAN, WHEATON, WILMINGTON, WOODSTOCK, AND YORKVILLE.
Severe Thunderstorm Watch
Issued: 7:28 PM Jul. 16, 2025 – National Weather Service
SEVERE THUNDERSTORM WATCH 518 REMAINS VALID UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS WINTHROP HARBOR TO WILMETTE HARBOR IL WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL CALUMET HARBOR IL TO GARY IN GARY TO BURNS HARBOR IN BURNS HARBOR TO MICHIGAN CITY IN LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5NM OFFSHORE TO MID LAKE LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE
Air Quality Alert
Issued: 3:37 AM Jul. 16, 2025 – National Weather Service
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT WEDNESDAY NIGHT... The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Wednesday July 16th for the greater Chicago metropolitan area through Wednesday night. A Chicago Area "Air Pollution Action Day" is declared when weather conditions are such that widespread ozone and or particulate levels are expected to be at or above the Unhealthy for Sensitive Groups (UGS) category of the Air Quality Index (AQI) for multiple days. Ozone is expected to be the primary pollutant of concern. Active children and adults, especially people with pulmonary or respiratory disease such as asthma, should limit prolonged outdoor activity. Area residents are urged to reduce pollution levels. Air quality forecasts, current air quality, and tips on how you can reduce your emissions can be found at www.airnow.gov. Media contact...Illinois EPA.
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