Latest Flood-Related Watches, Warnings, and Statements

• Flood Warning
• Flood Watch
• Flash Flood Warning
• Flood Statement
• Hydrologic Statement
• Hydrologic Outlook
• Flood Summary
• Area Forecast Discussion (includes a "HYDROLOGY" section during flood season - Oct-Apr)

• River Observations and Forecasts (AHPS)
• USGS Streamflow
• USGS Reservoir Levels
• WA ECY Streamflow Monitoring
• Hourly Rainfall Accumulation Table
• Washington Snowpack
• Daily Temperature and Precipitation
• Western WA CoCoRaHS Precipitation Summary

• River Observations and Forecasts (AHPS)
• Northwest River Forecast Center (NWRFC)
  • 10-Day Meteorological Input Forecast
• Quantitative Precipitation Forecast for points
• Ensemble Precipitation - 2 day
• Ensemble Precipitation - 16-day

• USGS Shallow Landslide Rainfall Thresholds

• East Pacific Precipitable Water Loop
• Global Precipitable Water Loop
• Washington Atmospheric River Observatories - Includes Forks and Astoria
• Probabilistic Landfall Tool
• Atmospheric River Portal

• Monthly Precipitation and Temperature
• U.S. Drought Monitor
• U.S. Drought Portal
• Water Supply/Spring Flood Outlook
• Northwest Water Supply Forecasts
  • Natural Flow Forecasts
• Drought Information
  • Drought Information Statement
    Preparedness Information 
    • Western Washington Flooding 101 (.pdf file)
    • County / City Flood Pages
      • City of Issaquah
      • King County
      • Lewis County
      • Mason County
      • Pierce County
      • Snohomish County
      • Thurston County
      • Whatcom County
     Additional Resources
    • U.S. Army Corps of Engineers - Seattle District
    • U.S. Geological Survey - Washington Office
    • Chehalis River Basin Flood Authority Early Warning System
    • NWS Hydro Meteorological Design Studies Center
    • National Operational Hydrologic Remote Sensing Center
    • Natural Resources Conservation Service
    • Frequently Asked Questions (FAQ's)