Areas of Showers and Thunderstorms to Start the Work Week
Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >
| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 938 PM CDT Sun Sep 20 2026 | |
Rest Of Tonight: Northeast winds to 30 kt. Areas of drizzle late in the evening, then chance of showers and areas of drizzle after midnight. Waves 4 to 7 ft occasionally to 9 ft. Monday: Northeast winds 20 to 25 kt. Slight chance of showers in the morning. Waves 4 to 6 ft occasionally to 8 ft. Monday Night: Northeast winds 20 to 25 kt diminishing to 15 to 20 kt. Cloudy. Waves 5 to 8 ft occasionally to 10 ft. Tuesday: Northeast winds 15 to 20 kt. Mostly cloudy in the morning, then becoming partly cloudy. Waves 4 to 6 ft occasionally to 8 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
Visit your local NWS office at: https://www.weather.gov/lot |