The map below shows the average date of the first measurable snow across the Lower 48 states, according to the most recent 30-year climatological averages (1991-2020) from NOAA's National Centers for Environmental Information. Measurable snow is defined as an accumulation of at least 0.1 inches, so if the season's first snowflakes don't stick to the ground, it's not considered the official first snowfall in the weather records. We will see! Link to article below When can you expect the first snow of the season? (msn.com)