Mountain weather
Northwest Highlands
Confidence
High for a largely fine day Monday and then rather unsettled, cold and showery through the coming days. Low confidence for Friday and arrival of more persistent rain.
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This eveningSunrise:Sunset:
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Mon 11 MaySunrise:Sunset:
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Tue 12 MaySunrise:Sunset:
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Further outlook
This evening forecast
Outbreaks of rain, falling increasingly as snow above about 900m clearing from the north to clear spells and snow showers. Strong northwesterly winds easing
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Severe Chill Effect
Strong Sunlight
Poor Visibility
Mountain weather forecast
Largely dry with sunny spells. Cold.
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Time
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Time |
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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Weather
(at 800m)
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Weather symbols | ||||||||
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Chance of
precipitation (at 800m)
|
Chance of precipitation |
30%
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20%
|
10%
|
10%
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10%
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10%
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30%
|
70%
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Wind direction and speed
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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1000m
|
1000m | N 21mph knots
N
21mph |
N 18mph knots
N
18mph |
N 14mph knots
N
14mph |
N 11mph knots
N
11mph |
NW 9mph knots
NW
9mph |
NW 11mph knots
NW
11mph |
W 14mph knots
W
14mph |
SW 23mph knots
SW
23mph |
|
900m
|
900m | N 18mph knots
N
18mph |
N 15mph knots
N
15mph |
N 12mph knots
N
12mph |
N 10mph knots
N
10mph |
NW 9mph knots
NW
9mph |
NW 12mph knots
NW
12mph |
W 14mph knots
W
14mph |
SW 22mph knots
SW
22mph |
|
600m
|
600m | N 10mph knots
N
10mph |
N 8mph knots
N
8mph |
NE 7mph knots
NE
7mph |
N 9mph knots
N
9mph |
NW 8mph knots
NW
8mph |
NW 10mph knots
NW
10mph |
SW 12mph knots
SW
12mph |
SW 16mph knots
SW
16mph |
|
300m
|
300m | N 1mph knots
N
1mph |
N 1mph knots
N
1mph |
N 1mph knots
N
1mph |
N 4mph knots
N
4mph |
NW 6mph knots
NW
6mph |
W 7mph knots
W
7mph |
W 5mph knots
W
5mph |
SW 5mph knots
SW
5mph |
|
Glen
|
Glen | NE 4mph knots
NE
4mph |
NE 1mph knots
NE
1mph |
E 2mph knots
E
2mph |
N 4mph knots
N
4mph |
W 9mph knots
W
9mph |
W 9mph knots
W
9mph |
W 7mph knots
W
7mph |
SW 6mph knots
SW
6mph |
Wind gust
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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1000m
|
1000m | 26mph | 22mph | 17mph | 15mph | 14mph | 16mph | 19mph | 30mph |
|
900m
|
900m | 23mph | 20mph | 15mph | 14mph | 14mph | 16mph | 19mph | 29mph |
|
600m
|
600m | 15mph | 13mph | 10mph | 13mph | 12mph | 15mph | 17mph | 23mph |
|
300m
|
300m | 15mph | 13mph | 11mph | 12mph | 12mph | 14mph | 15mph | 20mph |
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Glen
|
Glen | 14mph | 8mph | 5mph | 9mph | 13mph | 14mph | 12mph | 16mph |
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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1000m
|
1000m | -3 degrees Celsius -3°C | -4 degrees Celsius -4°C | -4 degrees Celsius -4°C | -3 degrees Celsius -3°C | -1 degrees Celsius -1°C | 0 degrees Celsius 0°C | -1 degrees Celsius -1°C | -1 degrees Celsius -1°C |
|
900m
|
900m | -2 degrees Celsius -2°C | -3 degrees Celsius -3°C | -3 degrees Celsius -3°C | -2 degrees Celsius -2°C | 0 degrees Celsius 0°C | 1 degrees Celsius 1°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C |
|
600m
|
600m | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 2 degrees Celsius 2°C |
|
300m
|
300m | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 4 degrees Celsius 4°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C |
|
Glen
|
Glen | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 7 degrees Celsius 7°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C |
| Freezing Level | Freezing Level |
600m
|
500m
|
500m
|
600m
|
700m
|
1000m
|
900m
|
900m
|
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Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
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12:00
|
15:00
|
18:00
|
21:00
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|---|---|---|---|---|---|---|---|---|---|
|
1000m
|
1000m | -11 degrees Celsius -11°C | -11 degrees Celsius -11°C | -10 degrees Celsius -10°C | -8 degrees Celsius -8°C | -6 degrees Celsius -6°C | -5 degrees Celsius -5°C | -6 degrees Celsius -6°C | -8 degrees Celsius -8°C |
|
900m
|
900m | -9 degrees Celsius -9°C | -10 degrees Celsius -10°C | -9 degrees Celsius -9°C | -7 degrees Celsius -7°C | -5 degrees Celsius -5°C | -4 degrees Celsius -4°C | -5 degrees Celsius -5°C | -7 degrees Celsius -7°C |
|
600m
|
600m | -4 degrees Celsius -4°C | -4 degrees Celsius -4°C | -4 degrees Celsius -4°C | -3 degrees Celsius -3°C | -1 degrees Celsius -1°C | 0 degrees Celsius 0°C | -2 degrees Celsius -2°C | -3 degrees Celsius -3°C |
|
300m
|
300m | 1 degrees Celsius 1°C | 0 degrees Celsius 0°C | 1 degrees Celsius 1°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C |
|
Glen
|
Glen | 4 degrees Celsius 4°C | 2 degrees Celsius 2°C | 4 degrees Celsius 4°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C |
| Freezing Level | Freezing Level |
600m
|
500m
|
500m
|
600m
|
700m
|
1000m
|
900m
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900m
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Additional weather information
Meteorologist's view
Significant chill effect over higher summits despite the strong spring sunshine.
Weather
Scattered snow showers dying out through the early hours to leave a bright day with some good spells of sunshine. Cloud increases through the late afternoon and evening, bringing outbreaks of mainly light rain, falling initially as snow above about 750m.
Chance of cloud-free hill tops
Around 75% at dawn but soon rising close to 100%, chances fall to around 25% through the evening.
Low cloud and visibility
Occasional cloud above about 600-750m at first soon lifting to leave little or no cloud below the summits through much of the day, but cloud becoming periods above 600-750m through the evening with patches below. Away from cloud visibility very good, falling to several kilometres in rain and perhaps a kilometre in snow showers and snow.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Cloudy with outbreaks of rain, perhaps a little snow on the highest summits, clearing southeast around dawn to leave sunny spells and showers, these falling increasingly as snow above 750m. The showers become heavier and more frequent through the afternoon and evening with a risk of hail and thunder.
Chance of cloud-free hill tops
Around 40% at dawn and again in evening, otherwise around 75%.
Maximum wind speed expected
Southwesterly 25-30mph veering more westerly 30-35mph, with gusts around 55mph over ridges and summits, around dawn and then gradually easing 20mph through the late afternoon and evening.
Temperature
- At 800m Around plus 3 or 4 Celsius
- Glen Around plus 4 or 5 Celsius at dawn rising to plus 10 or 11 Celsius by day.
- Freezing level Around 1200m through the early hours then falling to 900m
Low cloud and visibility
Occasional or periods above 600-750m at dawn and again in the evening, but more occasional above 750-900m through much of the day. Away from cloud visibility very good or excellent falling to several kilometres in rain and showers and perhaps less than a kilometre in heavier hail and snow showers.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Wed 13 May
Another cold day with heavy showers, snow above about 750m, initially with a risk of hail and thunder. Strengthening northerly winds. Freezing level around 900m.
Thu 14 May
Clear or sunny spells and showers, snow above 750m, through the morning but mainly dry through the afternoon. Strong northerly winds easing. Freezing level 900m, falling to 750m later.
Fri 15 May
Bright start but becoming cloudy through the morning with outbreaks of mainly light rain edging east in the afternoon. Strengthening southwesterly winds. Freezing level rising above summits.
Summit specific forecast
Separated from the Grampians by the Great Glen the weather forecast area includes Wester Ross, Assynt, Sutherland, Knoydart, Torridon, Glen Affric and the Cuillin Hills on the Isle of Skye.