FloodWatch vs King County Flood Warning

Whether you live near a river, enjoy kayaking or fishing, or simply want to stay informed about potential flooding, FloodWatch keeps you connected to the latest conditions across the United States. Powered by data from the US Geological Survey (USGS) and National Weather Service (NWS), FloodWatch helps you monitor rivers and streams with precision and confidence. Key Features • Real-Time River Data – Track current river height, discharge, precipitation, and water temperature from thousands of USGS gauges nationwide. • Historical Trends & Graphs – Visualize how river levels, streamflow, rainfall, and temperature change over time. • Favorites List – Save your most important gauges for instant access to the latest readings. • Nationwide Coverage – Explore data for rivers and streams throughout the U.S., including flood-stage information from NWS. • Flood Awareness – Keep watch on flood-prone areas and monitor rising waters before they become a threat. • Great for Recreation – Check water conditions before heading out to fish, paddle, or swim. Only USGS gauges with real-time data capabilities are included, so you’ll always get the most accurate and up-to-date information available. Whether you’re safeguarding your property, planning your next river trip, or simply fascinated by hydrology, FloodWatch gives you the insight to stay prepared when water levels change.

The King County Flood Warning app helps safeguard people and property by providing real-time flooding info for the Skykomish, Snoqualmie, Tolt, Raging, Cedar, Green and White rivers, and Issaquah Creek. If you live, work, go to school or regularly travel in or through these areas of King County download this app to track flood conditions. The app shows current river flows, flood stage data and forecasts plus real-time flood phases. Hydrographs make it easy to see several days of river data and forecasts. This app uses data from U.S. Geological Survey and National Weather Service and Northwest River Forecast Center downloaded every 10 minutes (source data update timing varies). Developed by King County and funded by the King County Flood Control District.