RemixIconEx.Weather.thunderstorms

You're seeing just the function thunderstorms, go back to RemixIconEx.Weather module for more information.
Link to this function

thunderstorms(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Weather.thunderstorms()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M17 18v-2h.5a3.5 3.5 0 1 0-2.5-5.95V10a6 6 0 1 0-8 5.659v2.089a8 8 0 1 1 9.458-10.65A5.5 5.5 0 1 1 17.5 18l-.5.001zm-4-1.995h3l-5 6.5v-4.5H8l5-6.505v4.505z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}