Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.
A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >
| NWS Forecast for: Tidal Potomac from Key Bridge to Indian Head MD (ANZ535) Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 734 AM EDT Thu Sep 4 2025 |  |
Today: S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers and tstms this afternoon with vsby 1 nm or less. Tonight: S winds 5 to 10 kt. Gusts up to 20 kt until early morning. Waves 1 ft. A chance of showers and tstms. Vsby 1 nm or less. Fri: SW winds 5 to 10 kt. Waves 1 ft. Fri Night: S winds 5 to 10 kt. Waves 1 ft. Sat: SW winds 5 to 10 kt. Waves 1 ft. Showers likely. Sat Night: NW winds 5 to 10 kt. Waves 1 ft. Showers likely. Sun: NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the morning. Mon: N winds around 5 kt. Waves 1 ft. winds and waves higher and visibilities lower in and near tstms. | |
| Zone Forecast: Tidal Potomac from Key Bridge to Indian Head MD (ANZ535) | |
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