Active Weather Alerts
Special Marine Warning
Issued: 3:15 AM Sep. 3, 2026 – National Weather Service
The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for... Detroit River... * Until 1245 AM EDT. * At 1114 PM EDT, a strong thunderstorm was located over The Ambassador Bridge, moving southeast at 40 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && HAIL...<.75IN; WIND...49KTS
Special Marine Warning
Issued: 3:09 AM Sep. 3, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT... For the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... St. Clair River... At 1108 PM EDT, a severe thunderstorm was located 13 nm northwest of The Ambassador Bridge, moving east at 45 knots. HAZARD...Wind gusts to nearly 50 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. The severe thunderstorm will be near... St. Clair Shores around 1120 PM EDT. Grosse Pointe around 1125 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && HAIL...>.75IN; WIND...49KTS
Severe Thunderstorm Warning
Issued: 3:06 AM Sep. 3, 2026 – National Weather Service
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR WAYNE AND WASHTENAW COUNTIES... At 1105 PM EDT, severe thunderstorms were located along a line extending from near Detroit to near Salem to near Fowlerville, moving southeast at 35 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Livonia, Grosse Pointe, Downtown Detroit, Canton, Detroit, Dearborn, Salem, Belle Isle, and Whitmore Lake around 1110 PM EDT. Greenfield Village around 1115 PM EDT. Taylor and Romulus around 1120 PM EDT. Wyandotte around 1125 PM EDT. Trenton around 1140 PM EDT. Ann Arbor, Grosse Ile, and Dixboro around 1145 PM EDT. Belleville around 1205 AM EDT. Other locations impacted by these severe thunderstorms include Whittaker, Melvindale, Gibraltar, Hudson Mills Metropark, New Boston, Delhi Mills, Pleasant Lake, Rockwood, Harper Woods, and Westland. People attending Saline Community Fair should seek safe shelter immediately! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows. && TORNADO...POSSIBLE; THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.25 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH
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