| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 920 PM CDT Fri May 1 2026 | |
| Rest Of Tonight: North winds 10 to 15 kt diminishing to 5 to 10 kt. Partly cloudy. Waves 1 to 3 ft. Saturday: North winds 5 to 10 kt becoming northeast late. partly cloudy in the morning then clearing. Waves 1 to 2 ft. Saturday Night: Southeast winds 10 to 20 kt becoming south overnight. Clear in the evening, then becoming partly cloudy. waves 1 to 3 ft. Sunday: Southwest winds 15 to 25 kt. Slight chance of showers. Waves 2 to 4 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
Visit your local NWS office at: https://www.weather.gov/lot |