Mountain weather
Northwest Highlands
Confidence
High confidence for increasingly warm conditions later in the week. High confidence in the general development, but, low confidence for details late Friday into early Saturday.
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This eveningSunrise:Sunset:
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Wed 20 MaySunrise:Sunset:
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Thu 21 MaySunrise:Sunset:
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Further outlook
This evening forecast
Variable cloud and showery rain through the evening. Patches of cloud down to around 600-800m and visibilities falling poor as showers pass through. Very low cloud into eastern Caithness at times. Feeling chilly at height with southerly winds 20-30mph.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Severe Chill Effect
Thunderstorms
Strong Sunlight
Mountain weather forecast
Cloudy with showery rain, heavy for a time in afternoon. Chilly at height.
|
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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|---|---|---|---|---|---|---|---|---|---|
|
Weather
(at 800m)
|
Weather symbols | ||||||||
|
Chance of
precipitation (at 800m)
|
Chance of precipitation |
40%
|
70%
|
80%
|
70%
|
60%
|
50%
|
40%
|
40%
|
Wind direction and speed
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1000m
|
1000m | S 17mph knots
S
17mph |
S 16mph knots
S
16mph |
SW 20mph knots
SW
20mph |
S 23mph knots
S
23mph |
SW 29mph knots
SW
29mph |
SW 34mph knots
SW
34mph |
SW 32mph knots
SW
32mph |
SW 31mph knots
SW
31mph |
|
900m
|
900m | S 16mph knots
S
16mph |
S 14mph knots
S
14mph |
SW 19mph knots
SW
19mph |
S 22mph knots
S
22mph |
SW 28mph knots
SW
28mph |
SW 32mph knots
SW
32mph |
SW 31mph knots
SW
31mph |
SW 30mph knots
SW
30mph |
|
600m
|
600m | S 9mph knots
S
9mph |
S 9mph knots
S
9mph |
S 13mph knots
S
13mph |
S 17mph knots
S
17mph |
SW 21mph knots
SW
21mph |
SW 24mph knots
SW
24mph |
SW 22mph knots
SW
22mph |
SW 21mph knots
SW
21mph |
|
300m
|
300m | S 1mph knots
S
1mph |
S 1mph knots
S
1mph |
SW 4mph knots
SW
4mph |
S 6mph knots
S
6mph |
SW 8mph knots
SW
8mph |
SW 10mph knots
SW
10mph |
SW 9mph knots
SW
9mph |
SW 8mph knots
SW
8mph |
|
Glen
|
Glen | SE 4mph knots
SE
4mph |
SE 3mph knots
SE
3mph |
S 7mph knots
S
7mph |
SW 7mph knots
SW
7mph |
SW 15mph knots
SW
15mph |
SW 15mph knots
SW
15mph |
SW 14mph knots
SW
14mph |
SW 11mph knots
SW
11mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1000m
|
1000m | 21mph | 19mph | 25mph | 30mph | 37mph | 44mph | 42mph | 40mph |
|
900m
|
900m | 19mph | 18mph | 24mph | 28mph | 36mph | 42mph | 40mph | 39mph |
|
600m
|
600m | 13mph | 13mph | 18mph | 24mph | 30mph | 34mph | 32mph | 30mph |
|
300m
|
300m | 11mph | 11mph | 17mph | 20mph | 29mph | 33mph | 31mph | 28mph |
|
Glen
|
Glen | 8mph | 9mph | 15mph | 16mph | 28mph | 30mph | 28mph | 24mph |
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1000m
|
1000m | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C |
|
900m
|
900m | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C |
|
600m
|
600m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
Glen
|
Glen | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C |
| Freezing Level | Freezing Level |
1900m
|
1900m
|
1800m
|
1700m
|
1700m
|
1500m
|
1500m
|
1600m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1000m
|
1000m | 1 degrees Celsius 1°C | 0 degrees Celsius 0°C | -1 degrees Celsius -1°C | -2 degrees Celsius -2°C | -1 degrees Celsius -1°C | -3 degrees Celsius -3°C | -4 degrees Celsius -4°C | -4 degrees Celsius -4°C |
|
900m
|
900m | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | -2 degrees Celsius -2°C | -2 degrees Celsius -2°C | -3 degrees Celsius -3°C |
|
600m
|
600m | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C |
|
Glen
|
Glen | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
| Freezing Level | Freezing Level |
1900m
|
1900m
|
1800m
|
1700m
|
1700m
|
1500m
|
1500m
|
1600m
|
Additional weather information
Meteorologist's view
Feeling cold at height with windy conditions making for fairly arduous walking on exposed terrain with buffeting of clothing. Balance may be affected at times.
Weather
Largely cloudy with showery outbreaks of rain throughout the day, this becoming heavy with a small chance of lightning in the afternoon. Best chance of any limited brighter weather in the sheltered northeast in the morning.
Chance of cloud-free hill tops
20% or less, best chance in northeast in morning.
Low cloud and visibility
Quite extensive cloud down to 500-700m, with cloud more broken in the more sheltered northeast in the morning.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Chilly in the early hours. Cloud and rain spreading north from around dawn. Then mainly dry but largely cloudy in the afternoon. Further cloud and rain later in the evening. Best of any dry and bright weather in the sheltered north. Feeling a little warmer than Wednesday.
Chance of cloud-free hill tops
30% southwest, 60% northeast; best chances in afternoon
Maximum wind speed expected
South veering southwest 30-40mph.
Temperature
- At 800m Plus 4C rising to plus 9C.
- Glen Plus 7C rising to plus 14C by day.
- Freezing level 1300m early hours, soon rising well above summits.
Low cloud and visibility
Quite extensive cloud down to 500-700m feeds in from the southwest for much of the day, though cloud will lift and break to a decent extent for a time in the afternoon. Cloud more broken to the sheltered northeast. Visibilities falling poor in rain in the morning and later in the day.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Fri 22 May
Rain clearing early hours. Then cloudy with some patchy rain southwest. Low confidence but chance of rain in evening. Feeling a little warmer than Thursday. Fresh to strong south to southwest winds.
Sat 23 May
Chance of rain at first, low confidence. Then largely dry and warm with variable cloud and a few bright spells. Light to fresh southwest winds.
Sun 24 May
Dry, bright start. Cloud and rain later. Fresh southwest winds.
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.