Openweathermap-icons -

In embedded systems, icons are often stored locally in SPIFFS (Serial Peripheral Interface Flash File System) for faster loading, or fetched directly via HTTP GET requests.

The ThingPulse weather station library is commonly used to parse OWM data. openweathermap-icons

Various levels of overcast or partly cloudy conditions. Precipitation: Raindrop icons, drizzle, and showers. Wintery: Snowflakes for snowfall. Severe: Thunderstorm, lightning, and strong wind icons. Atmospheric: Icons representing mist, fog, or dust. 5. Best Practices In embedded systems, icons are often stored locally