| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 927 AM CDT Sun Apr 26 2026 | |
Rest Of Today: East winds 10 to 15 kt. Mostly cloudy late in the morning, then gradual clearing. Waves 1 to 2 ft. Tonight: East winds 15 to 20 kt becoming southeast overnight. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 3 ft. Monday: Southeast winds to 30 kt becoming south. Slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Some thunderstorms may be severe in the afternoon. Waves 2 to 4 ft building to 3 to 5 ft. a small craft advisory will likely be needed. Monday Night: South winds to 30 kt becoming southwest and diminishing to 20 to 25 kt overnight. Showers and thunderstorms in the evening, then slight chance of showers overnight. Some thunderstorms may be severe in the evening. Waves 3 to 5 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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