| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 952 AM CDT Sat Sep 20 2025 | |
Rest Of Today: South winds 10 to 20 kt becoming southeast and diminishing to around 10 kt by midday. Scattered showers and thunderstorms developing this afternoon. Waves 1 to 3 ft. Tonight: Southeast winds 5 to 10 kt increasing to 10 to 20 kt after midnight. Showers likely and a chance of thunderstorms. waves 1 to 3 ft. Sunday: South winds around 10 kt. Showers likely and slight chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. Sunday Night: South winds 5 to 10 kt becoming southwest overnight. Chance of showers and slight chance of thunderstorms in the evening, then chance of showers overnight. Waves around 1 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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