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 1041 AM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 9 nm northeast of Elgin to 9 nm southwest of Midway Airport to 7 nm southeast of Joliet, moving east at 50 knots. HAZARD...Waterspouts and wind gusts in excess of 65 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. In addition, rapid large fluctuations in water levels are possible as and after these storms pass. severe thunderstorms will be near... Montrose Harbor, Wilmette Harbor, Monroe Harbor, 31st Street Harbor, Calumet Harbor, Harrison-Dever Crib, Burnham Harbor, Belmont Harbor, Jackson Park Harbor, and Diversy Harbor around 1100 AM CDT. Indiana Harbor around 1105 AM CDT. Burns Harbor and Marina Shores at Dune Harbor around 1120 AM CDT. Michigan City around 1130 AM CDT.
Weather in Michigan City, IN
Updated 2026-08-11 12:45 local time · ZIP codes 46360
Sunny
Active alerts
SMWLOT The National Weather Service in Chicago has issued a * Special Marine Warning for... 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... * Until 1215 PM CDT. * At 1009 AM CDT, severe thunderstorms were located along a line extending from 11 nm southwest of McHenry to 12 nm southwest of Aurora, moving east at 40 knots. HAZARD...Wind gusts in excess of 50 knots. SOURCE...Radar. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. * Severe thunderstorms will be near... Montrose Harbor, Wilmette Harbor, Belmont Harbor, and Diversy Harbor around 1100 AM CDT. Monroe Harbor, 31st Street Harbor, Harrison-Dever Crib, Burnham Harbor, Jackson Park Harbor, 59th Street Marina, and DuSable Harbor around 1105 AM CDT. Calumet Harbor and Hammond Marina around 1110 AM CDT. Indiana Harbor around 1115 AM CDT. Marina Shores at Dune Harbor around 1130 AM CDT. Burns Harbor around 1135 AM CDT. Michigan City around 1150 AM CDT.
At 1107 AM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was racing toward Porter County at over 75 mph. HAZARD...Tornadoes and wind gusts in excess of 100 mph. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... Valparaiso around 1115 AM CDT.
Safety instructions
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. This cluster of thunderstorms is capable of producing tornadoes and widespread significant wind damage. Do not wait to see or hear the tornado. For your protection move to an interior room on the lowest floor of a building.
SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northeastern Newton County in northwestern Indiana... Porter County in northwestern Indiana... Jasper County in northwestern Indiana... * Until noon CDT. * At 1103 AM CDT, severe thunderstorms were located along a line extending from East Chicago to near Griffith to Shelby to Hopkins Park, moving southeast at 85 mph. THESE ARE DESTRUCTIVE STORMS FOR PORTER AND MUCH OF JASPER COUNTIES. HAZARD...100 mph wind gusts. SOURCE...Radar indicated. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Expect considerable damage to homes and businesses. Expect extensive tree damage and power outages. * Severe thunderstorms will be near... Portage, DeMotte, Hebron, Lakes of the Four Seasons, South Haven, Roselawn, and Ogden Dunes around 1110 AM CDT. Valparaiso, Chesterton, Rensselaer, Wheatfield, Kouts, and Burns Harbor around 1115 AM CDT. Hanging Grove around 1120 AM CDT. Other locations impacted by these severe thunderstorms include Fair Oaks, Parr, Dunns Bridge, Boone Grove, Baileys Corner, Malden, Dune Acres, Stoutsburg, Wheeler, and Collegeville.
Safety instructions
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. This is an EXTREMELY DANGEROUS SITUATION with tornado like wind speeds expected. Mobile homes and high profile vehicles are especially susceptible to winds of this magnitude and may be overturned. For your protection move to an interior room on the lowest floor of a building. These storms have the potential to cause serious injury and significant property damage.
TORLOT The National Weather Service in Chicago has issued a * Tornado Warning for... Porter County in northwestern Indiana... East central Lake County in northwestern Indiana... * Until 1145 AM CDT. * At 1059 AM CDT, severe thunderstorms capable of producing both tornadoes and extensive straight line wind gusts in excess of 100 mph were located over St. John, or over Schererville, moving east at 70 mph. HAZARD...Tornado and wind gusts in excess of 100 mph. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * These dangerous storms will be near... Merrillville, Lakes of the Four Seasons, and Winfield around 1105 AM CDT. Valparaiso around 1115 AM CDT.
Safety instructions
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. This cluster of thunderstorms is capable of producing tornadoes and widespread significant wind damage. Do not wait to see or hear the tornado. For your protection move to an interior room on the lowest floor of a building.
Next hours
-1766°12% rain
77°73% rain76°79% rain
76°28% rain80°12% rain78°13% rain78°13% rain
75°14% rain74°15% rain
73°27% rain73°14% rain72°14% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance reaches about 79% over the next 12 hours.
It feels like -2257°F with winds near 13 mph.
75°F, 14% rain chance and 2 mph wind.
Visibility is around 6 mi; gusts may reach 24 mph.
Current temperature is -1766°F, wind 13 mph, rain chance up to 79%.
UV index is 1.
Michigan City weather today
Sunny and -1766°F in Michigan City, IN. Today's high is 86°F with a 71% rain chance. Winds are around 13 mph with gusts near 24 mph. Relative humidity is 86%, pressure is 29.96 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Michigan City
Sunrise is at 05:51 AM and sunset is at 07:53 PM. Tomorrow's forecast calls for Sunny with a high near 76°F and a low near 67°F. The maximum rain chance is 82%.