Return data from third party APIs and store in database using Sequelize

Question

I am making a City application which uses Mapbox and WeatherStack APIs to get some information like temperature, longitude and latitude.

I am using Express.js, Sequelize and MySql and following MVC model.

My project structure looks like this

Connection to APIs is done by the folders under utils. I can insert new rows or use all my CRUD operations functions with Postman but I want to use my index.html file to make these operations.

Now, how can I return the temperature, latitude and longitude values and use them in my controllers file?

Here is the github link to my project.

Thanks in advance.