Mountain Weather
Information Service
Northwest Highland Forecast

The Northwest Highlands

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.)

Click here to download the latest PDF Last Updated Sun 26th Sep 21 at 2:24PM Last Updated Sun 26th Sep 21 at 2:24PM
View our low-graphics version Last Updated Sun 26th Sep 21 at 2:24PM Last Updated Sun 26th Sep 21 at 2:24PM

Viewing Forecast For

The Northwest Highlands
Monday 27th September 2021
Last updated Sun 26th Sep 21 at 2:24PM

Summary for all mountain areas

Residual heavy rain and low cloud from overnight will clear east in morning. Chiller conditions follow to all areas with a gusty southwesterly wind and showers; most frequent across Wales and also western Scotland where they will fall as sleet on the highest munros.

Headline for The Northwest Highlands

Rain at first, then showers developing from west, sleet tops. Strong winds.

How windy? (On the Munros)

Southwesterly increasing from dawn to reach 25 to 35mph by afternoon, risk by then 40mph tops in and around showers.

Effect of the wind on you?

Increasingly blustery with conditions fairly arduous with significant wind chill and buffeting.

How Wet?

Heavy rain at dawn, then showers; sleet tops.

Showers; increasingly frequent in the west where risk of hail and thunder. Showers will fall as sleet and at times wet snow across the highest tops.

Cloud on the hills?

Often covering higher slopes in west.

Cloud will very likely frequently cover higher slopes above 800-1000m in the west. Higher more broken bases in the east where cloud frequently above tops.

Chance of cloud free Munros?

30% in west, 70% in the east.

Sunshine and air clarity?

Often cloudy, but patches of sun breaking through between the showers. Visibility good, but slight haze.

How Cold? (at 900m)

3 or 4C

Freezing Level

Close to freezing highest tops

Viewing Forecast For

The Northwest Highlands
Tuesday 28th September 2021
Last updated Sun 26th Sep 21 at 2:24PM

How windy? (On the Munros)

Southwesterly 25 to 35mph, may ease during the afternoon.

Effect of the wind on you?

Fairly arduous conditions likely for several hours with considerable buffeting and wind chill.

How Wet?

Showers, concentrated western hills.

Showers will move in from the southwest, at times giving frequent precipitation on and near Skye with sleet on highest tops. Showers well scattered further east.

Cloud on the hills?

Mostly confined to higher slopes in west.

Cloud will likely cover higher slopes above 700-900m from Torridon to Skye frequently in fog. Elsewhere, hills often clear through the day.

Chance of cloud free Munros?

30% in the west, 70% in the east.

Sunshine and air clarity?

Occasional patches of sun, but mostly cloudy in the west. Visibility good or very good, but poor in rain in the west.

How Cold? (at 900m)

3 or 4C

Freezing Level

Just above highest tops

Viewing Forecast For

The Northwest Highlands
Wednesday 29th September 2021
Last updated Sun 26th Sep 21 at 2:24PM

How windy? (On the Munros)

Northwesterly 25 to 40mph at first will slowly ease to around 20 to 25mph.

Effect of the wind on you?

Expect arduous conditions for a few hours from dawn with significant wind chill and buffeting, easing by afternoon.

How Wet?

Scattered showers, snow tops.

A scattering of showers, these mainly in the west and falling as snow across the tops.

Cloud on the hills?

Frequently covering western tops.

Cloud bases generally fluctuating around 1000-1300m, lowest in the west, with patches down to 800m in and around showers. Eastern hills mostly clear.

Chance of cloud free Munros?

50%

Sunshine and air clarity?

Fairly cloudy, but some bursts of sun breaking through. Visibility very good.

How Cold? (at 900m)

2 or 3C

Freezing Level

1100-1200m

Planning Outlook

An unsettled and windy period of weather over the next 7 to 10 days with frequent areas of low pressure bringing bouts of upland gales or severe gales and rain; large falls accumulating across western hills. Chillier than of late, some days near freezing on higher Scottish tops with sleet and wet snow at times on the highest Munros.