doc_tap_http_weather1;
...
doc_tap_http_weather2;
Scroll down to the bottom of the screen and tap Create.
The app shall be able to receive the weather data within a few minutes. If it takes long, please go to Settings → Hardware → HTTP API → OpenWeather → Service settings and in part definitions for reading tap Test request. If the query returns data, all is fine. The data will appear in the app shortly.