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NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 311 AM CDT Sun Oct 5 2025 | |
Today: South winds 10 to 15 kt increasing to 15 to 25 kt. mostly sunny. Waves 1 to 3 ft. Tonight: South winds 10 to 20 kt. Mostly clear. Waves 1 to 3 ft. Monday: South winds 10 to 15 kt becoming southwest. Chance of showers and possibly a thunderstorm in the afternoon. Waves 1 to 2 ft. Monday Night: Southwest winds 10 to 15 kt shifting to north 10 to 20 kt. Showers and a chance of thunderstorms. Waves 1 to 2 ft building to 2 to 4 ft. | |
Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
Visit your local NWS office at: https://www.weather.gov/lot |