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Northwest Highlands - Mountain weather forecast

Weather warnings

Warnings affecting Northwest Highlands over the next 5 days

Confidence

High for general developments. Moderate for shower distribution on Wednesday. Moderate for chance of cloud breaks through the rest of the week.

  • This evening
  • Wednesday
  • Thursday
  • Further outlook

Tuesday 20 November 2018

Sunset: 15:58
Moon phase: Waxing gibbous

Dry for most ranges with occasional clear spells. Scattered showers will mainly affect Ben Wyvis and the Assynt hills, falling as snow above 600-700m. Freezing level around 800m.

Wednesday 21 November 2018

Weather hazards

Severe chill effect High likelihood Hide detail

Wind significantly lowers the ‘feels-like’ temperature relative to the actual temperature, with even moderate winds significantly adding to the chilling effect. Strong winds can result in a severe and debilitating wind chill many degrees below the actual temperature. This effect will be enhanced in rain or wet snow. Without protection, prolonged exposure could result in frost nip or frostbite on exposed parts of the body and/or hypothermia.

Learn more about severe chill effect

Gales Medium likelihood Show detail

Gale force winds (gusts over 50mph) make walking difficult and strenuous with a potential to be blown over by gusts. There is often a marked increase in winds through cols or on exposed ridges and summits. Distances can take longer to cover and compass bearings become harder to follow accurately.

Learn more about gales

Poor visibility Low likelihood Show detail

Poor visibility presents challenging route finding conditions. Visibility could be significantly less than 50 metres in all directions with few or no visual references, especially on featureless moors or plateaux. Distances become hard to judge and cliff or cornice edges can be difficult to recognise. These conditions require good navigational skills. There is a risk of white-out conditions when mist or fog is combined with extensive snow cover.

Learn more about poor visibility

Headline

Cold and windy. Sunny in the west, cloudier with a few showers in the east.

Weather

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Weather at 800m Partly cloudy night Partly cloudy night Light snow Light snow shower day Sleet shower day Sleet shower day Partly cloudy night Partly cloudy night
Chance of precipitation at 800m 10% 10% 30% 30% 40% 40% 10% <05%

Wind speed and direction

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Altitude above mean sea level
1000m E 42 50 E 42 51 E 45 56 E 42 53 E 44 55 E 41 52 E 36 46 E 35 44
900m E 39 48 E 40 49 E 42 53 E 39 50 E 41 53 E 39 49 E 34 44 E 33 42
600m E 28 36 E 31 41 E 33 43 E 30 41 E 31 42 E 28 38 E 26 35 E 24 33
300m E 8 32 E 8 32 E 9 37 E 8 36 E 11 39 E 9 34 E 8 31 E 7 27
Glen E 5 20 E 14 33 E 15 36 E 15 35 E 15 35 E 13 32 E 12 29 E 11 27

Temperature

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Altitude above mean sea level
1000m -2 ° -2 ° -1 ° -1 ° -1 ° -1 ° -1 ° -2 °
900m -1 ° -1 ° 0 ° 0 ° 0 ° 0 ° 0 ° -1 °
600m 1 ° 1 ° 2 ° 2 ° 2 ° 2 ° 2 ° 2 °
300m 3 ° 4 ° 4 ° 4 ° 5 ° 5 ° 4 ° 3 °
Glen 5 ° 6 ° 6 ° 7 ° 8 ° 7 ° 6 ° 5 °

Feels like temperature

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Altitude above mean sea level
1000m -12 ° -11 ° -11 ° -11 ° -10 ° -10 ° -10 ° -11 °
900m -10 ° -10 ° -10 ° -9 ° -9 ° -9 ° -9 ° -9 °
600m -6 ° -6 ° -6 ° -5 ° -5 ° -4 ° -5 ° -5 °
300m 0 ° 1 ° 1 ° 2 ° 1 ° 2 ° 1 ° 1 °
Glen 4 ° 2 ° 2 ° 3 ° 4 ° 4 ° 3 ° 2 °

Freezing level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Freezing level i 700 m 700 m 900 m 900 m 900 m 900 m 800 m 700 m
Sunrise: 08:18
Sunset: 15:56
Moon phase: Waxing gibbous

Weather

Dry for most through the early hours with the best of the clear spells towards the west coast. A few scattered showers, mainly across the far north. Then a largely dry day with sunny spells along the west coast. Cloudier away from the west coast with a few showers, falling as snow above 800-900m. Showers confined to the Caithness hills after dusk with clearing skies elsewhere.

Chance of cloud-free mountain/hill tops at 800m

50-60% for much of the day. Frequent broken cloud above 600-700m, best of the cloud breaks across Skye. Improving to 90% in the evening with cloud largely above the summits.

Visibility

Variable, often poor in areas of low cloud. Becoming very good or excellent in the evening.

Met Office Aberdeen meteorologist's view

Gales likely across summits and exposed ridges. Severe wind chill, further enhanced in rain, sleet and wet snow.

Thursday 22 November 2018

Sunrise: 08:20
Sunset: 15:55
Moon phase: Full

Weather

Clear skies in the west, but increasingly cloudy in the east through the early hours. Then a largely dry morning. Sunny along the west coast, but cloudy further east. Cloud increases in the afternoon, bringing a few spots of light rain, mainly over Caithness and Easter Ross, some sleet or wet snow above 1100m.

Maximum wind speed expected

East 25 mph, gusting 30-35 mph, easing to 15-20 gusting 25 mph in the afternoon.

Chance of cloud-free mountain/hill tops at 800m

50-60% across Caithness and Easter Ross, frequent spells of cloud above 500-700m. 80% elsewhere with cloud often above the summits.

Temperature

  • At 800m Plus 2 Celsius
  • Glen -2 Celsius rising to plus 8 Celsius
  • Freezing level 900m, rising to 1200m by dawn, lowering to 900-1000m in the evening.

Visibility

Very good outside of any low cloud, excellent near the west coast.

Friday 23 November 2018

Sunrise: 08:22
Sunset: 15:53
Moon phase: Full

Cloudy with rain or showers across the far north, wintry on the summits. Largely dry further south with a few bright or sunny spells possible. Moderate easterly winds. Freezing level 900-1000m.

Saturday 24 November 2018

Sunrise: 08:24
Sunset: 15:52
Moon phase: Full

A mostly dry day with some sunny spells, the best of these likely to be across Skye and southwestern ranges. Cloudier in the north. Light to moderate northeast winds. Freezing level around 900m.

Sunday 25 November 2018

Sunrise: 08:26
Sunset: 15:50
Moon phase: Waning gibbous

Similar to Saturday, dry with some brighter spells, the best of these likely to be across western ranges. Light easterly winds. Freezing level 800-900m.

Issued at:
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Separated from the Grampians by the Great Glen the region includes Sutherland, Ben Wyvis, Wester Ross, The Cuillin, Glen Affric, Glen Shiel and Knoydart.

The Cuillin Hills on the Isle of Skye are among the steepest mountains in the UK and include 15 peaks above 3,000 feet (900 metres). There are two main ridges; the magnificent Black Cuillins and the Red Cuillins around Loch Coruisk to the south.

Torridon has some of the most spectacular mountain scenery in Scotland which includes Beinn Eighe, a long ridge with many spurs and summits, two of which are classified as Munros. Beinne Eighe also includes Britain's first ever national nature reserve where you may spot golden eagles, buzzards, pine martins and wild cats on your travels.

For snow and avalanche hazard forecasts please visit Sportscotland Avalanche Information Service

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