Waukegan, IL - LMZ740 - 8/21/2026 9:45 AM
Winthrop Harbor to Wilmette Harbor IL
REST OF TODAY
Southwest winds 10 to 15 kt becoming south late. Chance of showers and slight chance of thunderstorms late in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves 1 to 2 ft.
TONIGHT
Southwest winds 10 to 15 kt becoming west overnight. Chance of showers and thunderstorms, mainly in the evening. Waves 1 to 2 ft.
SATURDAY
Northwest winds 15 to 20 kt becoming north. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft.
SATURDAY NIGHT
North winds 10 to 15 kt. Slight chance of showers and thunderstorms in the evening. Waves 1 to 3 ft building to 2 to 4 ft.