| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 901 AM CST Sat Feb 21 2026 | |
Rest Of Today: West winds 10 to 15 kt. A chance of flurries in the afternoon. Waves 1 to 2 ft. Tonight: Northwest winds 15 to 20 kt increasing to 20 to 25 kt late. Chance of snow in the evening, then snow likely overnight. waves 2 to 4 ft building to 3 to 5 ft. Sunday: Northwest winds 20 to 25 kt increasing to 30 kt in the afternoon. Chance of snow. Waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft. Sunday Night: Northwest winds to 30 kt. Chance of snow. Waves 6 to 9 ft occasionally to 12 ft building to 8 to 11 ft occasionally to 14 ft. wave heights are for ice free areas. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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