The Northwest Highlands Forecast
Areas north from Knoydart in the west, and the Great Glen towards the east (NB. Does not include Mull and areas west of Loch Linnhe, these are found in the West Highlands forecast.)
Forecast last updated on Saturday 22nd November 2014 at 1:54pm
Summary for all mountain areas
Fairly weak fronts will cross Britain, bringing patches of rain and drizzle and particularly to western mountains low cloud. Temperatures will drop from the west, with snow developing on higher Scottish areas. Windy Scottish Highlands.
Headline for The Northwest Highlands
Windy. Frequent rain, turning to snow higher areas.
How windy? (On the Munros)
Southerly, upland gales until about dawn or in Sutherland and Ben Wyvis just after dawn. During daylight, 30 to perhaps on higher western summits, 35mph.
Effect of wind on you?
Buffeting widespread on higher areas and significant wind chill.
Rain turning to snow showers
Occasional rain in the morning, turning to briefer showers afternoon, with hail. In afternoon will turn to snow to progressively lower levels; by dusk, 750m.
Cloud on the hills?
Intermittently covering higher tops
Cloud mostly confined above 900m, although briefly 600m near showers and at times widely west coastal mountains south of Ullapool. However, breaks to higher tops, perhaps extensively.
Chance of cloud free Munros?
20% western mountains south of Ullapool to 70% elsewhere
Sunshine and air clarity?
Bursts of bright sunshine, mainly afternoon. The air becoming very clear - but visibility very poor indeed in snow and cloud.
How Cold? (at 900m)
4C, dropping progressively to 2C; but will feel as cold as minus 11C directly in the wind.
Starting above the summits but 1050m by mid-afternoon.
All mountain areas of Britain from Sunday 23rd November 2014
Fine weather, associated with a ridge of high pressure, England & Wales on Sunday most mountain areas Monday. A large area of low pressure will then gradually envelop Britain, this then persisting most or all next week. This will result in extensive low and cloud and areas of rain. The rain fairly well distributed across Britain, but most precipitation likely E and particularly SE Scottish highlands. As average freezing levels drop a little, snow will fall more often on higher Scottish summits, but rarely lower down.