Mountain weather
Northwest Highlands
Confidence
High confidence for most of Friday, although some uncertainty in the extent of showers. High for generally cloudy and breezy conditions over the weekend but some uncertainty in the location of a weak front which may bring some light rain at times.
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This eveningSunrise:Sunset:
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Fri 22 MaySunrise:Sunset:
-
Sat 23 MaySunrise:Sunset:
-
Further outlook
This evening forecast
Dry at first then rain spreading north through the evening, heavy at times. Cloud will also be extensive with bases 500 to 700m. Strong southwesterly winds on the tops.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Gales
Strong Sunlight
Mountain weather forecast
Low cloud and patchy rain at first. Brighter afternoon with a few showers. Windy.
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
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 |
70%
|
70%
|
40%
|
40%
|
30%
|
30%
|
30%
|
30%
|
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 38mph knots
S
38mph |
S 35mph knots
S
35mph |
S 33mph knots
S
33mph |
S 27mph knots
S
27mph |
SW 33mph knots
SW
33mph |
SW 33mph knots
SW
33mph |
SW 30mph knots
SW
30mph |
SW 33mph knots
SW
33mph |
|
900m
|
900m | S 36mph knots
S
36mph |
S 30mph knots
S
30mph |
S 30mph knots
S
30mph |
S 26mph knots
S
26mph |
SW 31mph knots
SW
31mph |
SW 31mph knots
SW
31mph |
SW 28mph knots
SW
28mph |
SW 30mph knots
SW
30mph |
|
600m
|
600m | S 23mph knots
S
23mph |
S 17mph knots
S
17mph |
S 20mph knots
S
20mph |
S 19mph knots
S
19mph |
SW 23mph knots
SW
23mph |
SW 23mph knots
SW
23mph |
SW 20mph knots
SW
20mph |
SW 21mph knots
SW
21mph |
|
300m
|
300m | S 4mph knots
S
4mph |
S 2mph knots
S
2mph |
S 4mph knots
S
4mph |
S 7mph knots
S
7mph |
SW 8mph knots
SW
8mph |
SW 8mph knots
SW
8mph |
SW 5mph knots
SW
5mph |
SW 5mph knots
SW
5mph |
|
Glen
|
Glen | S 9mph knots
S
9mph |
S 5mph knots
S
5mph |
S 7mph knots
S
7mph |
S 11mph knots
S
11mph |
SW 12mph knots
SW
12mph |
SW 12mph knots
SW
12mph |
SW 9mph knots
SW
9mph |
SW 7mph knots
SW
7mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1000m
|
1000m | 45mph | 41mph | 39mph | 33mph | 41mph | 41mph | 37mph | 40mph |
|
900m
|
900m | 43mph | 36mph | 36mph | 32mph | 39mph | 39mph | 35mph | 38mph |
|
600m
|
600m | 31mph | 23mph | 27mph | 25mph | 31mph | 31mph | 27mph | 28mph |
|
300m
|
300m | 28mph | 21mph | 23mph | 23mph | 29mph | 29mph | 24mph | 25mph |
|
Glen
|
Glen | 23mph | 18mph | 19mph | 22mph | 24mph | 24mph | 19mph | 17mph |
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1000m
|
1000m | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C |
|
900m
|
900m | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C |
|
600m
|
600m | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C |
|
300m
|
300m | 13 degrees Celsius 13°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 | 10 degrees Celsius 10°C |
|
Glen
|
Glen | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
| Freezing Level | Freezing Level |
2400m
|
2600m
|
2500m
|
2300m
|
2100m
|
2000m
|
2000m
|
2000m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1000m
|
1000m | 3 degrees Celsius 3°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C |
|
900m
|
900m | 4 degrees Celsius 4°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°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 |
|
600m
|
600m | 7 degrees Celsius 7°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 | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
Glen
|
Glen | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 11 degrees Celsius 11°C |
| Freezing Level | Freezing Level |
2400m
|
2600m
|
2500m
|
2300m
|
2100m
|
2000m
|
2000m
|
2000m
|
Additional weather information
Meteorologist's view
Strong and gusty winds with gales possible on the high plateau areas and summits. UV levels in the afternoon will be quite high with a chance of sunburn, even in cloudy conditions.
Weather
Rain overnight becoming light and patchy by the morning. Mainly dry in the afternoon and evening with a little brightness coming through but also a few showers, perhaps heavy at times.
Chance of cloud-free hill tops
20% in the morning, becoming 60% in afternoon. Chances decreasing again in the evening.
Low cloud and visibility
Extensive cloud overnight and in the morning with bases 500 to 700m but this will become patchier in the afternoon. Cloud becoming extensive on the tops again late in the evening. Away from low cloud, the visibility will be mainly good.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
It will be mostly dry with just a little light rain at times. A cloudy start but some brightness coming through by afternoon. Strong and gusty winds.
Chance of cloud-free hill tops
30% becoming 70% by afternoon.
Maximum wind speed expected
Southwest 25 to 35mph gusts 45 to 50mph.
Temperature
- At 800m Plus 7C rising to 11C.
- Glen Plus 12C rising to 17 or 18C.
- Freezing level Above summits.
Low cloud and visibility
Cloud fairly extensive at first with bases 600 to 800m but lifting and clearing through the morning. Otherwise, visibility mainly good.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sun 24 May
Mainly cloudy with some outbreaks of light rain or drizzle. Feeling cool with strong southwesterly winds on the tops.
Mon 25 May
Cloud and patchy rain dying out with increasing amounts of sunshine developing. Winds easing.
Tue 26 May
High pressure is likely bring dry and sunny weather with light 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.