Mountain weather

Mountain weather

Southwest Highlands

Confidence

High for changeable conditions, lower for the daily detail especially on Tuesday.

Sunrise: Sunset:
Sunrise: Sunset:
Mountain hazards

Mountain weather hazards

Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.

Strong Sunlight
Harmful UV levels from sunlight increase with altitude giving a greater risk of sunburn and eye damage, even on some overcast days. On breezy days, the cooling effect of wind on exposed skin may disguise any feeling of sunburn until it is too late. If there is snow cover, glare increases the effect of UV rays especially on the eyes. It is advisable to wear sun block, protective clothing such as a long-sleeved top and hat and have good quality eye protection.

Gales
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.
Severe Chill Effect
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.
Poor Visibility
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.

Mountain weather forecast

Sunny spells and scattered showers. Strong westerly winds easing.

Time
Time
06:00
09:00
12:00
15:00
18:00
21:00
Weather
(at 800m)
Weather symbols Sunny intervals Light rain showers Light rain showers Light rain showers Sunny intervals Cloudy
Chance of
precipitation
(at 800m)
Chance of precipitation
30%
40%
40%
40%
20%
30%

Wind direction and speed

Altitude above mean sea level
Time
Time
06:00
09:00
12:00
15:00
18:00
21:00
1300m
1300m W 30mph knots
W
30mph
W 25mph knots
W
25mph
W 24mph knots
W
24mph
W 21mph knots
W
21mph
SW 17mph knots
SW
17mph
S 18mph knots
S
18mph
900m
900m W 19mph knots
W
19mph
W 17mph knots
W
17mph
W 18mph knots
W
18mph
W 17mph knots
W
17mph
SW 13mph knots
SW
13mph
S 12mph knots
S
12mph
600m
600m SW 21mph knots
SW
21mph
SW 19mph knots
SW
19mph
W 16mph knots
W
16mph
W 18mph knots
W
18mph
SW 14mph knots
SW
14mph
S 12mph knots
S
12mph
300m
300m SW 10mph knots
SW
10mph
SW 9mph knots
SW
9mph
W 11mph knots
W
11mph
W 11mph knots
W
11mph
SW 6mph knots
SW
6mph
S 6mph knots
S
6mph
Glen
Glen SW 7mph knots
SW
7mph
W 8mph knots
W
8mph
W 7mph knots
W
7mph
W 9mph knots
W
9mph
W 5mph knots
W
5mph
S 3mph knots
S
3mph

Wind gust

Altitude above mean sea level
Time
Time
06:00
09:00
12:00
15:00
18:00
21:00
1300m
1300m 35mph 31mph 30mph 27mph 22mph 22mph
900m
900m 25mph 23mph 24mph 22mph 17mph 16mph
600m
600m 25mph 25mph 21mph 23mph 18mph 15mph
300m
300m 15mph 15mph 18mph 17mph 11mph 10mph
Glen
Glen 16mph 17mph 14mph 17mph 11mph 9mph

Altitude above mean sea level
Time
Time
06:00
09:00
12:00
15:00
18:00
21:00
1300m
1300m -5 degrees Celsius -4 degrees Celsius -2 degrees Celsius -2 degrees Celsius -1 degrees Celsius -1 degrees Celsius
900m
900m 0 degrees Celsius 2 degrees Celsius 3 degrees Celsius 3 degrees Celsius 3 degrees Celsius 3 degrees Celsius
600m
600m 4 degrees Celsius 4 degrees Celsius 6 degrees Celsius 7 degrees Celsius 6 degrees Celsius 6 degrees Celsius
300m
300m 8 degrees Celsius 9 degrees Celsius 10 degrees Celsius 10 degrees Celsius 10 degrees Celsius 10 degrees Celsius
Glen
Glen 10 degrees Celsius 12 degrees Celsius 14 degrees Celsius 14 degrees Celsius 13 degrees Celsius 13 degrees Celsius
Freezing Level Freezing Level
1400m
1600m
1900m
1900m
2000m
1800m

Additional weather information

Meteorologist's view

Significant chill due to strong winds and quite low summit temperatures. Some sunburn risk by day.

Weather

Clear then sunny intervals and a scattering of showers, these will be lighter and less frequent than Friday.

Chance of cloud-free hill tops

80%-90%.

Low cloud and visibility

Cloud mainly above tops but a few patches above 1000m near showers. Away from that, visibility will be mainly good with temporary slight drops as showers pass through.

Ground conditions

No recent ground conditions report available.

Summit specific forecast