Severe Thunderstorm and Tropical Storm Bertha Impacts
Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >
Hazardous Weather Conditions
Last Update: 946 AM CDT Tue Jul 21 2026
For More Weather Information:
8NM ESE Chicago IL
Marine Zone Forecast
Rest Of Today
West winds 10 to 20 kt becoming northwest 20 to 25 kt late. Isolated showers. Waves 1 to 3 ft building to 3 to 5 ft late this afternoon.
Tonight
North winds 20 to 25 kt. Scattered showers. Waves 4 to 6 ft occasionally to 8 ft building to 6 to 9 ft occasionally to 12 ft.
Wednesday
North winds 20 to 25 kt. Partly cloudy with a few showers. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft.
Wednesday Night
North winds 10 to 20 kt becoming northwest and diminishing to around 10 kt overnight. Mostly clear. Waves 3 to 5 ft subsiding to 2 to 4 ft.
Additional Forecasts and Information
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