| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 359 AM CDT Fri Apr 3 2026 | |
Today: Southwest winds 15 to 20 kt diminishing to 5 to 10 kt and becoming northeast by early afternoon, then increasing to 15 to 20 kt late. Waves 3 to 5 ft subsiding to 1 to 3 ft. Tonight: Northeast winds 15 to 20 kt becoming southeast overnight. Showers with thunderstorms likely. Waves 1 to 3 ft. Saturday: Southwest winds 15 to 25 kt becoming west to 30 kt in the afternoon. Showers and a chance of thunderstorms in the morning, then slight chance of showers in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft. Saturday Night: West winds 15 to 25 kt. Mostly cloudy. Waves 3 to 5 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
Visit your local NWS office at: https://www.weather.gov/lot |