Sundays forecast – The Artic Blast: I hate forecasting snow….

Good evening Western Isles on this Saturday evening we are seeing an overcast end to the day. It dry with some clear skies. Winds under 20 mph. Today’s high of 9.0C

Please do NOT use Western Isles Weather for the protection of life and property please follow local and national government issued warnings and advice. Please have more than one source for weather information in extreme weather, Such as the Met office.

Overnight – We are going to see a cloud dominated night with some clear spells. Mainly dry but some light rain moves into Lewis and Harris mid moring. Winds of 10 to 30 mph.

Morning – Overcast with some sunny spells. Lingering rain will clear before a band of slightly more organised rain moves in and will move across the entire Western Isles during the late morning and afternoon. Winds of 20 to 40 mph.

Afternoon – The band of rain will sink southwards and it will bring rain heavy at times. Then in its wake, we will see colder air and eventually wintry showers start to move across the islands. Temperatures will plummet. Winds of 20 to 40 mph gusting 50 mph.

Evening – Sleet and snow showers being to progress across the islands. These will be heavy at times possibly leaving a covering of snow on the ground for a time. The greatest risk of accumulations over higher ground. Some clear spells but mainly overcast. These showers increasingly becoming squally with hail and sleet mixed in along with the snow. Winds of 20 to 40 mph gusting 50 mph possibly 60 mph in some spots. In sheltered areas away from the wind, we could see some frost and ice. Some of the showers could be thundery.

Winds will be from the West and North West. Temps of -2C to 10C. Winds chill down to -10C in some places by the end of the night.

Sunrise and Sunset

Stornoway – 06:46 and 20:12

South Uist – 06:51 and 20:15

3 days ahead

Monday – Frequent sleet and snow showers squally and possibly thundery. Some sunny spells bitterly cold with wind chill values well below freezing. Winds of 20 to 40 mph gusting 50 mph.

Tuesday – Further rain sleet and snow showers these squally at times. Winds of 20 to 40 mph

Wednesday – Overcast cold start milder again later with rain and blustery winds.

Have a good evening.

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