diff --git a/source/components/sensor.openweathermap.markdown b/source/components/sensor.openweathermap.markdown
index 7c292bc0d9e..548f605b156 100644
--- a/source/components/sensor.openweathermap.markdown
+++ b/source/components/sensor.openweathermap.markdown
@@ -33,5 +33,19 @@ sensor:
     - snow
 ```
 
+Configuration variables:
+
+- **api_key** (*Required*): Your API key for http://openweathermap.org/.
+- **forecast** (*Optional*): Enables the forecast. The default is to display the current conditions.
+- **display_conditions** array: Conditions to display in the frontend.
+  - **weather**: A human-readable text summary.
+  - **temperature**: The current temperature.
+  - **wind_speed**: The wind speed.
+  - **humidity**: The relative humidity.
+  - **pressure**: The sea-level air pressure in millibars.
+  - **clouds**: Description about cloud coverage.
+  - **rain**: The rain volume.
+  - **snow**: The snow volume
+
 Details about the API are available in the [OpenWeatherMap documentation](http://bugs.openweathermap.org/projects/api/wiki).