| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 820 PM CDT Wed Apr 22 2026 | |
Rest Of Tonight: Northeast winds 5 to 10 kt becoming south. areas of fog. Waves around 1 ft. Thursday: South winds 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Partly cloudy. Waves 1 to 2 ft. Thursday Night: South winds 15 to 20 kt. Chance of showers and thunderstorms overnight. Waves 1 to 3 ft. Friday: South winds 10 to 20 kt becoming southwest in the afternoon. Showers likely and a chance of thunderstorms. Waves 1 to 3 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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