diff --git a/owm_api25/src/config.rs b/owm_api25/src/config.rs
index d31d426..7eecc06 100644
--- a/owm_api25/src/config.rs
+++ b/owm_api25/src/config.rs
@@ -3,16 +3,16 @@ use std::fs;
 
 #[derive(Debug, Deserialize)]
 pub struct General {
-    pub api_key: String,    // Required for API query. Get yours for free from https://openweathermap.org
-    pub city_id: Option<String>,    // Any of these location parameters are required 
-    pub city_name: Option<String>,  // Find City ID or Name from https://openweathermap.org/find?
-    pub lat: Option<f32>,   // Latitude and Longitude must be used together
+    pub api_key: String, // Required for API query. Get yours for free from https://openweathermap.org
+    pub city_id: Option<String>, // Any of these location parameters are required
+    pub city_name: Option<String>, // Find City ID or Name from https://openweathermap.org/find?
+    pub lat: Option<f32>, // Latitude and Longitude must be used together
     pub lon: Option<f32>,
-    pub zip: Option<String>,    // Zip code
+    pub zip: Option<String>, // Zip code
     #[serde(default = "default_units")]
-    pub units: String,  // "metric", "imperial", "standard" (Default)
+    pub units: String, // "metric", "imperial", "standard" (Default)
     #[serde(default = "default_lang")]
-    pub lang: String,   // Default: "en"
+    pub lang: String, // Default: "en"
 }
 
 #[derive(Debug, Deserialize)]
@@ -29,6 +29,14 @@ fn default_lang() -> String {
 }
 
 impl Config {
+    /// Load configuration from `~/.config/candywidgets/openweathermap.toml`.
+    ///
+    /// # Errors
+    ///
+    /// Returns an error if:
+    /// - `$XDG_CONFIG_HOME` (or `~/.config`) cannot be determined,
+    /// - the file cannot be read,
+    /// - or the TOML cannot be parsed.
     pub fn load() -> Result<Self, Box<dyn std::error::Error>> {
         let mut path = dirs::config_dir().ok_or("No config dir found")?;
         path.push("candywidgets/openweathermap.toml");
@@ -39,6 +47,12 @@ impl Config {
         Ok(toml::from_str(&toml_str)?)
     }
 
+    /// Build a query URL for the `OpenWeatherMap` API v2.5.
+    ///
+    /// # Errors
+    ///
+    /// Returns an error if no valid location parameter is set
+    /// (`city_id`, `city_name`, `lat`+`lon`, or `zip`).
     pub fn build_url(&self) -> Result<String, String> {
         let base = "https://api.openweathermap.org/data/2.5/weather";
 
diff --git a/owm_api25/src/forecast.rs b/owm_api25/src/forecast.rs
new file mode 100644
index 0000000..8d53cc9
--- /dev/null
+++ b/owm_api25/src/forecast.rs
@@ -0,0 +1,31 @@
+use serde::Deserialize;
+
+#[derive(Debug, Deserialize)]
+pub struct ForecastWeather {
+    pub id: u32,
+    pub main: String,
+    pub description: String,
+    pub icon: String,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ForecastMain {
+    pub temp: f32,
+    pub pressure: f32,
+    pub humidity: u8,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ForecastEntry {
+    pub dt: u64,
+    pub main: ForecastMain,
+    pub weather: Vec<ForecastWeather>,
+    pub dt_txt: String,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ForecastResponse {
+    pub cod: String,
+    pub cnt: u32,
+    pub list: Vec<ForecastEntry>,
+}
diff --git a/owm_api25/src/lib.rs b/owm_api25/src/lib.rs
index 844a605..fe6de35 100644
--- a/owm_api25/src/lib.rs
+++ b/owm_api25/src/lib.rs
@@ -1,27 +1,3 @@
 pub mod config;
-
-use serde::Deserialize;
-
-#[derive(Debug, Deserialize)]
-pub struct Weather {
-    pub main: String,
-    pub icon: String,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct Main {
-    pub temp: f32,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct Sys {
-    pub country: String,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct WeatherResponse {
-    pub name: String,
-    pub sys: Sys,
-    pub weather: Vec<Weather>,
-    pub main: Main,
-}
+pub mod forecast;
+pub mod weather;
diff --git a/owm_api25/src/weather.rs b/owm_api25/src/weather.rs
new file mode 100644
index 0000000..a544cfc
--- /dev/null
+++ b/owm_api25/src/weather.rs
@@ -0,0 +1,30 @@
+use serde::Deserialize;
+
+#[derive(Debug, Deserialize)]
+pub struct Weather {
+    pub main: String,
+    pub icon: String,
+    pub description: String,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct Main {
+    pub temp: f32,
+    pub pressure: u32,
+    pub humidity: u8,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct Sys {
+    pub country: String,
+    pub sunrise: u64,
+    pub sunset: u64,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct WeatherResponse {
+    pub name: String,
+    pub sys: Sys,
+    pub weather: Vec<Weather>,
+    pub main: Main,
+}
diff --git a/widget/src/main.rs b/widget/src/main.rs
index 5bf20e2..e6b4266 100644
--- a/widget/src/main.rs
+++ b/widget/src/main.rs
@@ -1,4 +1,4 @@
-use owm_api25::{WeatherResponse, config::Config};
+use owm_api25::{config::Config, weather::WeatherResponse};
 use reqwest::blocking;
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {