Feb 9, 2021 Subscribe to our daily newsletter! Sign Up William Frankland in the 'snow' at the reservoir while out for a walk during lockdown yesterday. (Picture by Peter Frankland, 29228541) 'A band of snow will likely affect the island from dusk, lasting until the early hours of Wednesday morning,' a spokesperson said as a yellow warning was issued. Yellow warnings indicate snow flurries and suggest people be 'cautious' when out and about. An orange warning would be issued if light to moderate snowfall was to be expected, and a red warning would occur if heavy snow or a blizzard were to be forecast.