Areas of Dangerous Heat and Severe Thunderstorms
Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >
| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 915 PM CDT Wed Aug 26 2026 | |
| Rest Of Tonight: Variable winds less than 10 kt becoming northwest 10 to 15 kt late. Becoming mostly clear. Waves 1 to 3 ft. Thursday: Northwest winds 10 to 15 kt becoming northeast late. Mostly sunny. Waves 2 to 3 ft. Thursday Night: Northeast winds 10 to 15 kt diminishing to around 5 kt. Mostly clear. Waves 1 to 3 ft. Friday: East winds around 5 kt becoming around 10 kt. Sunny. Waves 1 to 2 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
Visit your local NWS office at: https://www.weather.gov/lot |