Update environment_canada.markdown (#37541)

source/_integrations/environment_canada.markdown

@@ -132,9 +132,46 @@ template:
 
 {% endraw %}
 
+The configuration snippet below adds a template sensor containing the current forecast information as attributes and the text summary of the forecast for the current day.
+
+{% raw %}
+
+```yaml
+- trigger:
+    - platform: time_pattern
+      hours: "/4"
+    - platform: homeassistant
+      event: start
+    - platform: event
+      event_type: event_template_reloaded
+  action:
+    - service: environment_canada.get_forecasts
+      target:
+        entity_id: weather.ottawa_kanata_orleans_forecast
+      response_variable: forecasts
+  sensor:
+    - name: Weather Forecast Daily
+      unique_id: weather_forecast_daily
+      state: "{{ states('weather.ottawa_kanata_orleans_forecast') }}"
+      attributes:
+        daily: "{{ forecasts['weather.ottawa_kanata_orleans_forecast']['daily_forecast'] }}"
+        hourly: "{{ forecasts['weather.ottawa_kanata_orleans_forecast']['hourly_forecast'] }}"
+        summary: "{{ forecasts['weather.ottawa_kanata_orleans_forecast']['daily_forecast'][0]['text_summary'] }}"
+        temperature_unit: "{{ state_attr('weather.ottawa_kanata_orleans_forecast', 'temperature_unit') }}"
+```
+
+{% endraw %}
 
 ## Actions
 
+### Action `environment_canada.get_forecasts`
+
+Get the raw forecast data from Environment Canada. Returns both the `daily_forecast` and the `hourly_forecast` data.
+
+| Data attribute | Optional | Description |
+| ---------------------- | -------- | ----------- |
+| `entity_id` | yes | Weather entity to get forecast for.
+
 ### Action `environment_canada.set_radar_type`
 
 Sets the type of radar to retrieve for the camera.