Trail Conditio
For the most accurate mountain weather, check these sources before heading out:
- NWAC Mountain Weather Forecast - Best for Cascades snow and avalanche conditions
- NWS Seattle - General Seattle/Puget Sound area
- Mountain Forecast - Peak-specific forecasts
Conditions change rapidly in the mountains - always verify current conditions before your trip.
This report is compiled from 74 trip reports submitted to the Washington Trails Association for December 15 - December 21, 2025. For real-time conditions on specific trails, check the latest reports on WTA.org.