Met Office: West Highland: latest pressure

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Overview for Sunday

A mainly fine day with long spells of sunshine, although mist and fog in the glens may be slow to clear and just a few showers over coastal ranges.

Hazards	Risk	Explanation
Blizzards	No Risk
Heavy snow	Low	Sleet or snow above 750m but expected to be showery in nature.
Storm force winds	No Risk
Gales	No Risk
Severe chill effect	Low	Low temperatures but winds mainly light.
Persistent and extensive hill fog	Low	Risk in showers, and in cloud produced by low level mist and fog lifting in morning.
Thunderstorms	Low	Small risk in any heavier showers during the morning.
Heavy persistent rain	Low	Occasional heavy showers, especially in the morning, but not expected to be prolonged.

Hazards

Risk

Explanation

Blizzards

No Risk

Heavy snow

Low

Sleet or snow above 750m but expected to be showery in nature.

Storm force winds

No Risk

Gales

No Risk

Severe chill effect

Low

Low temperatures but winds mainly light.

Persistent and extensive hill fog

Low

Risk in showers, and in cloud produced by low level mist and fog lifting in morning.

Thunderstorms

Low

Small risk in any heavier showers during the morning.

Heavy persistent rain

Low

Occasional heavy showers, especially in the morning, but not expected to be prolonged.

Weather summary and probability of precipitation for Sunday
Dawn to 0900	0900 to 1200	1200 to 1500	1500 to dusk
Sunny intervals	Sunny intervals	Sunny intervals	Sunny intervals
30%	30%	20%	10%

Weather summary and probability of precipitation for Sunday

Dawn to 0900

0900 to 1200

1200 to 1500

1500 to dusk

Sunny intervals

30%

20%

10%

Detailed mountain weather forecast: West Highlands

Sunday
Monday
Outlook

Sunday

Weather

Early mist and fog in the straths and glens clearing through the morning, otherwise a mainly fine day with long sunny spells. However towards the coast, especially across the Cuillins, Lochaber and Argyll there will be the occasional shower, wintry above 750m, and these may be heavy at times during the morning.

Visibility

Excellent but moderate or poor in any wintry showers, and poor with fog patches in the straths and glens at first.

Hill fog

Patches, but periods towards the west coast especially during the morning, above 750m lowering to 600m in showers. There is also a risk of a thin layer of hill fog developing for a time as mist and fog lifts from the straths and glens.

Maximum winds above 600m

Variable, mainly east or southeast at 20mph or less.

Temperature

Glens	Minus 4 Celsius rising to plus 6 Celsius
900 m	Zero Celsius.
Freezing level	Around 900m but frozen surfaces expected down to car park level during the morning.

Monday

Weather

After a mainly fine start with some good sunny spells, but mist and fog in the straths and glens at first, cloud will increase from the west. Outbreaks of rain, falling as sleet and snow on the Munros are expected to reach Lochaber and the Cuillins soon after mid-day and then edge east through the afternoon, turning persistent and heavy at times across western hills.

Visibility

Excellent, but poor with fog patches in the straths and glens at first, falling moderate or poor in rain

Hill fog

Once again there is a risk of a thin layer of hill fog developing for a time as mist and fog lifts from the straths and glens, otherwise small amounts through the morning but becoming persistent above 750m in rain during the afternoon and periods above 450m in more persistent and heavier rain.

Maximum winds above 600m

Southerly 15mph or less increasing 35mph, gusts 50mph over ridges and summits.

Temperature

Glens	Minus 4 Celsius rising to plus 8 Celsius.
900 m	Plus 4 Celsius.
Freezing level	Around 1200m

Outlook

Tuesday

Cloudy with outbreaks of mainly light rain, risk of snow on Munros, but brighter drier conditions reaching western hills by mid-morning and spreading east through the rest of the day, clearing eastern hills by mid-afternoon. Strong southwesterly winds veering westerly and decreasing. Freezing level around 1200m.

Wednesday

Mainly dry with long sunny spells. Cloud increasing above the summits in the west towards dusk. Strengthening southerly winds. Freezing level around 1000m.

Thursday

Generally cloudy and wet with persistent and at times heavy rain, risk of snow on the summits, the rain likely to be patchier across the northern Cairngorms and the Northwest Highlands. Gale force southeasterly winds. Freezing level expected to be just above the highest summits.