Active Weather Alerts
Severe Thunderstorm Watch
Issued: 9:05 PM Jul. 16, 2025 – National Weather Service
SEVERE THUNDERSTORM WATCH 518 REMAINS VALID UNTIL 8 PM CDT /9 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 6 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTHEAST ILLINOIS COOK KANKAKEE WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS, CHESTERTON, CHICAGO, DEMOTTE, DWIGHT, EVANSTON, FAIRBURY, FOWLER, GARY, GIBSON CITY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LEMONT, MERRILLVILLE, MOROCCO, OAK LAWN, ORLAND PARK, OXFORD, PARK FOREST, PAXTON, PONTIAC, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, VALPARAISO, WATSEKA, AND WILMINGTON.
Severe Thunderstorm Watch
Issued: 9:05 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
Special Weather Statement
Issued: 9:00 PM Jul. 16, 2025 – National Weather Service
...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN WILL...KANKAKEE... SOUTHEASTERN COOK...NORTHERN NEWTON AND LAKE COUNTIES THROUGH 445 PM CDT... At 359 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Olympia Fields to near Grant Park to near Herscher. Movement was east at 45 mph. HAZARD...Wind gusts of 50 to 55 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Dyer, St. Anne, Cedar Lake, Kankakee, Limestone, Roselawn, Merrillville, Hopkins Park, East Chicago, Ford Heights, Manteno, St. John, Griffith, Crown Point, Aroma Park, Whiting, Schererville, Hammond, Shelby, University Park, Chicago Heights, Crete, Lake Station, Bradley, and Herscher. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. A Severe Thunderstorm Watch remains in effect until 800 PM CDT for northeastern and east central Illinois...and northwestern Indiana. && MAX HAIL SIZE...0.50 IN; MAX WIND GUST...55 MPH
Beach Hazard Statement
Issued: 8:41 PM Jul. 16, 2025 – National Weather Service
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 7 ft expected. * WHERE...Lake IN and Porter Counties. * WHEN...From late tonight through Friday morning. * 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. &&
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 4 AM THURSDAY TO 4 AM CDT FRIDAY... * WHAT...North winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 4 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. &&
Air Quality Alert
Issued: 3:37 AM Jul. 16, 2025 – National Weather Service
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT WEDNESDAY NIGHT... An Air Quality Action Day has been forecast for Northwest Indiana for elevated ozone levels and is in effect until midnight CDT Wednesday night. Ozone Levels are expected to be at unhealthy levels for sensitive groups. For additional information...please visit the IDEM SMOG Watch web site at www.SmogWatch.IN.gov or the EPA AIRNOW web site at www.airnow.gov and click on Indiana.
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