Seattle, WA – Heavy rains are forecast to bring a heightened risk of river flooding across Seattle and Western Washington this week. A series of Pacific storm systems is expected to bring continuous rain, potentially pushing several rivers, including those near the Olympic and Cascade Mountains, to action stage by Wednesday or Thursday. Residents are advised to stay alert and monitor local forecasts, as minor flooding could affect low-lying areas and disrupt travel.
According to the National Weather Service (NWS) in Seattle, these storms are part of a larger system that will bring sharp rises in river levels. With little break between rain events, the cumulative effect could lead to significant water flows, particularly in areas downstream of the mountains. The agency has issued a hydrologic outlook, urging residents to prepare for potential flooding and to stay informed on any evolving conditions.
On Tuesday, rain is expected to persist throughout the day, with temperatures around 53°F. Southward winds may reach 15 mph, adding to the storm’s intensity. By Wednesday, rain continues with a high near 55°F, and with the chance of rainfall nearing 100%, Seattle could see substantial water accumulation. Nighttime lows will drop into the upper 40s, but rainfall is expected to continue, likely impacting morning commutes on major routes.
Given the prolonged rainfall, residents should consider precautionary measures, particularly in flood-prone areas. Keeping an eye on local advisories, avoiding riverbanks, and limiting travel in affected areas can help mitigate risks. The NWS recommends preparing emergency kits, especially for those living near rivers, and keeping family members informed on the latest weather developments.
With flooding threats projected to persist throughout the week, Seattle residents should remain vigilant and ready to respond as conditions evolve.
