Western Highlands accessible from, and south of, Glenfinnan (Road to the Isles) and Glen Spean (includes Creag Meagaidh). This area include Ben Nevis and the mountains around Glencoe. In the east, includes Ben Alder south to Loch Lomond and Trossachs NP. Includes Arran and Mull.
West Highlands
Thursday 22nd October 2020
Last updated
Wednesday 21st October 2020 at
2:30 PM
Despite an approaching ridge of high pressure, the remnants of fronts, will mean only a slow, although sustained improvement after extensive low cloud and patches of rain from dawn - particularly so central Britain. Strong winds will ease; becoming very light in Scotland.
Gradually improving: extensive low cloud and patches of rain clearing.
Northwest or northerly 25 to mainly near the coast 35mph at dawn. Will slowly drop to become less than 10mph by mid afternoon.
Becoming negligible
Snow (rain lower slopes) gradually fizzling out by late morning.
Overnight precipitation, snow above 800m, will be fizzling out, but after dawn still patches here and there. By midday very likely dry apart from possibly a few isolated pockets left.
Very extensive at dawn; improving, many tops eventually clearing
Some breaks from dawn to 800-1000m. But overall, the hills starting foggy. Slowly the cloud will fragment, by early afternoon, only fragments below 750m and summits up to 1100m increasingly clearing - eventually highest tops may clear.
Less than 10% post dawn, 70% from mid afternoon
Bursts of sunshine increasingly coming through; fairly extensive sun toward evening. Fairly widely misty at first, but gradually visibility becoming excellent, perhaps superb.
1C
1050m.
West Highlands
Friday 23rd October 2020
Last updated
Wednesday 21st October 2020 at
2:30 PM
Southwesterly, after dawn typically 40mph, then after a slight lull, through afternoon, 30mph.
Walking at times arduous on higher areas, particularly after dawn and again later in day.
Showery; snow higher slopes
Rain after dawn will clear within 2 or 3 hours. Then increasingly showery, the showers becoming heavy through afternoon, with hail and above 900m, later 600m snow.
Extensive on higher areas
Cloud forming lower slopes at first many areas, particularly toward coast. By late morning, typical cloud base 650m to 900m, highest central Highlands where a few breaks toward higher tops. However, near showers, cloud base will drop to 450 to 600m.
20%
Bursts of sunshine after a dull misty start; the sun mainly well inland. Varied visibility; often very good or excellent, but poor in precipitation.
Typically 2C; will tend to drop toward 0C through day.
1300m dropping toward 900m by late afternoon.
West Highlands
Saturday 24th October 2020
Last updated
Wednesday 21st October 2020 at
2:30 PM
Southerly typically 65mph, easing to 45mph middle of day after perhaps a brief slight lull.
Any mobility difficult and wind chill severe where exposed on higher areas, sudden gusts at times some lower slopes.
Rain, widely heavy, mainly morning
Widely constant often heavy rain (least heavy north of Glen Spean). After a break in the rain, frequent showers afternoon, particularly more western mountains. Snow above 1150m, later 800m.
Extensive, cloud base rising afternoon
Blanket fog most areas morning above 200-400m, but north across Lochaber, cloud base rising toward 750-950m. Then, varied cloud base, occasionally below 450m, but typically 700-900m generally highest central highlands/near & north of Glen Spean.
10%
Rare glimpses of sun lower slopes central highlands and north from Glen Spean. Visibility very poor in heavy rain, but good at times afternoon.
3C; tending to drop through the day.
Above the summits morning, then dropping toward 1000m.
A series of often intense lows will come in off the Atlantic, bringing periods of storm force winds to all mountain areas from the weekend. Rain will fall almost daily, particularly on western mountains, where considerable total rainfall. On higher areas, mainly the Scottish Highlands, snow will fall intermittently.