Heat Wave and Severe Thunderstorms this Independence Day
A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >
| NWS Forecast for: Northern Inland Waters Including The San Juan Islands (PZZ133) Issued by: National Weather Service Seattle, WA Last Update: 200 AM PDT Sat Jul 4 2026 | |
| Today: S wind 5 to 10 kt. Waves around 2 ft or less. Tonight: SW wind 5 to 10 kt, becoming W after midnight. Waves around 2 ft or less. Sun: NW wind 5 to 10 kt. Waves around 2 ft or less. Sun Night: NW wind 5 to 10 kt, becoming W after midnight. Waves around 2 ft or less. Mon: Light and variable winds, becoming W around 5 kt in the afternoon. Waves around 2 ft or less. Mon Night: SW wind 5 to 10 kt. Waves around 2 ft or less. Tue: S wind 5 to 10 kt. Waves around 2 ft or less. Tue Night: SW wind 5 to 10 kt. Waves around 2 ft or less. Wed: S wind 5 to 10 kt. Waves around 2 ft or less. Wed Night: SW wind 5 to 10 kt. Waves around 2 ft or less. | |
| Zone Forecast: Northern Inland Waters Including The San Juan Islands (PZZ133) | |
Visit your local NWS office at: https://www.weather.gov/sew |