Weather for Bill Williams National Recreation Trail, AZ - Bill Williams National Recreation Trail, AZ Weather, Current Weather in Bill Williams National Recreation Trail, AZ. Local weather report for Bill Williams National Recreation Trail, AZ, Local Bill Williams National Recreation Trail, AZ weather. Forecast for Bill Williams National Recreation Trail, Arizona, Bill Williams National Recreation Trail, AZ weather forecast. Find your local Bill Williams National Recreation Trail weather forecast. Bill Williams National Recreation Trail, AZ weather conditions.