What is a weather marker?

A complete collection of weather icons, providing you with 32 daytime weather icons and 32 nighttime weather icons.

Weather icons include sunny, cloudy, cloudy, shower, thunderstorm, thunderstorm with hail, sleet, light rain, moderate rain, heavy rain, rainstorm, heavy rain, snow shower, heavy snow, fog, freezing rain, sandstorm, small to moderate rain, moderate to heavy rain and heavy rain to heavy rain.