
Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest
Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >
| NWS Forecast for: Tidal Potomac from Cobb Island MD to Smith Point VA (ANZ537) Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 457 PM EDT Wed Jun 17 2026 | |
Rest Of This Afternoon: SE winds 15 kt. Waves 2 ft. Tonight: S winds 10 to 15 kt. Waves 2 ft. Thu: SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A chance of showers and tstms. Thu Night: SW winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves 1 to 2 ft. Showers likely with a chance of tstms. Fri: NW winds 5 kt. Waves less than 1 ft. A chance of showers. Fri Night: NW winds 5 to 10 kt. Waves 1 ft. Sat: NW winds 5 to 10 kt. Waves 1 ft. Sun: SW winds 5 to 10 kt...becoming S. Waves 1 ft or less. A chance of showers after midnight. winds and waves higher and visibilities lower in and near tstms. | |
| Zone Forecast: Tidal Potomac from Cobb Island MD to Smith Point VA (ANZ537) | |
Visit your local NWS office at: https://www.weather.gov/lwx |