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.)

Viewing Weather Forecast for Wednesday 11th December 2019
Forecast last updated on Wednesday 11th December 2019 at 4:20pm

Today | Thursday | Friday

Summary for all mountain areas

Extensively windy and cold, with frequent snow and hail on most, particularly western mountains. Whiteout in some areas, and lightning in places. Upland gales will be severe northern Scotland.

Headline for The Northwest Highlands

Upland severe gales. Frequent snow; intermittent whiteout.

How windy? (On the Munros)

Southwesterly 50 to 70mph; generally strongest far north.

Effect of wind on you?

Very difficult walking conditions, frequently from lower slopes up. Particularly squally from valleys upward near precipitation. Severe wind chill.

How Wet? (Precipitation and its impact)

Frequent hail and snow, small risk lightning.

Hail and snow frequently, sometimes as discrete abrupt showers, but sometimes the precipitation rarely ceasing over an hour or two. Small risk thunder. Periods of whiteout - mostly rain only lowest slopes. Very wet underfoot lower slopes, particularly on and near Skye.

Cloud on the hills?

Extensively covering the mountains

Cloud base continually changing, sometimes very rapidly. Fleetingly some higher tops (particularly eastern summits) clearing, but overall persistent fog on higher areas, and near precipitation, fragments of cloud from lower slopes up.

Chance of cloud free Munros?


Air clarity (below cloud)

Rare bursts of sun, mainly valleys easternmost areas. Visibility often very poor or intermittently appalling.

How Cold? (at 900m)

-3 or -4C Will feel as cold as minus 20C directly in the wind.

Freezing Level

Around 500m - some variation as precipitation comes and goes.

Planning Outlook

All mountain areas of Britain from Thursday 12th December 2019

Cold, intermittently windy and extensive snowfall on most mountain areas during the next week. Only occasionally will snow penetrate to affect access roads; nevertheless, snow will accumulate on many lower slopes. Generally precipitation will be focussed on western mountains; some eastern summits substantially dry.

Sponsored by
In association with
Mountaineering Council of Scotland Association of Mountaineering Instructions