| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 404 AM CST Fri Dec 5 2025 |  |
Today: Southwest winds 15 to 20 kt increasing to 20 to 25 kt. mostly cloudy in the morning, then becoming partly cloudy. Waves 2 to 4 ft. Tonight: Southwest winds 20 to 25 kt becoming west 15 to 20 kt overnight. Slight chance of snow and patchy freezing drizzle. Waves 2 to 4 ft. Saturday: West winds 10 to 15 kt becoming northwest. Mostly cloudy. Waves 2 to 4 ft. Saturday Night: Southwest winds around 10 kt becoming south overnight. Snow likely overnight. Waves 1 to 3 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
Visit your local NWS office at: https://www.weather.gov/lot |