Mountain weather
Southwest Highlands
Confidence
Some uncertainty on Tuesday morning's rainfall detail given the slow moving nature of the frontal zone over Scotland. Otherwise high confidence in the broad themes for next 5 days.
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This eveningSunrise:Sunset:
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Tue 22 SepSunrise:Sunset:
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Wed 23 SepSunrise:Sunset:
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Further outlook
This evening forecast
Mainly cloudy with hill fog and patchy drizzle, some clearer spells in the east. Strong to gale force winds on tops.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Gales
Poor Visibility
Mountain weather forecast
Cloudy with patchy rain. Turning heavy in the evening. Summit gales in the morning will moderate.
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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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Weather
(at 800m)
|
Weather symbols | ||||||||
|
Chance of
precipitation (at 800m)
|
Chance of precipitation |
30%
|
30%
|
60%
|
40%
|
40%
|
40%
|
40%
|
70%
|
Wind direction and speed
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | S 31mph knots
S
31mph |
SW 31mph knots
SW
31mph |
S 33mph knots
S
33mph |
SW 23mph knots
SW
23mph |
SW 15mph knots
SW
15mph |
SW 13mph knots
SW
13mph |
SW 10mph knots
SW
10mph |
SW 9mph knots
SW
9mph |
|
900m
|
900m | SW 20mph knots
SW
20mph |
SW 21mph knots
SW
21mph |
SW 20mph knots
SW
20mph |
SW 12mph knots
SW
12mph |
W 10mph knots
W
10mph |
SW 9mph knots
SW
9mph |
SW 7mph knots
SW
7mph |
W 4mph knots
W
4mph |
|
600m
|
600m | SW 23mph knots
SW
23mph |
SW 26mph knots
SW
26mph |
SW 29mph knots
SW
29mph |
SW 15mph knots
SW
15mph |
SW 9mph knots
SW
9mph |
SW 9mph knots
SW
9mph |
SW 7mph knots
SW
7mph |
SW 4mph knots
SW
4mph |
|
300m
|
300m | S 9mph knots
S
9mph |
SW 14mph knots
SW
14mph |
S 13mph knots
S
13mph |
SW 7mph knots
SW
7mph |
SW 6mph knots
SW
6mph |
SW 6mph knots
SW
6mph |
W 3mph knots
W
3mph |
NW 2mph knots
NW
2mph |
|
Glen
|
Glen | SW 4mph knots
SW
4mph |
SW 9mph knots
SW
9mph |
SW 10mph knots
SW
10mph |
W 7mph knots
W
7mph |
W 4mph knots
W
4mph |
SW 6mph knots
SW
6mph |
SW 4mph knots
SW
4mph |
W 2mph knots
W
2mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 39mph | 40mph | 42mph | 29mph | 20mph | 17mph | 13mph | 11mph |
|
900m
|
900m | 28mph | 30mph | 29mph | 18mph | 14mph | 14mph | 9mph | 6mph |
|
600m
|
600m | 29mph | 34mph | 37mph | 20mph | 13mph | 14mph | 9mph | 6mph |
|
300m
|
300m | 15mph | 24mph | 24mph | 13mph | 9mph | 10mph | 6mph | 4mph |
|
Glen
|
Glen | 14mph | 22mph | 23mph | 17mph | 9mph | 11mph | 9mph | 5mph |
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C |
|
900m
|
900m | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C |
|
600m
|
600m | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
300m
|
300m | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C |
|
Glen
|
Glen | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
2200m
|
2300m
|
3000m
|
3000m
|
2800m
|
2500m
|
1900m
|
1700m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C |
|
900m
|
900m | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C |
|
600m
|
600m | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 11 degrees Celsius 11°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 |
|
Glen
|
Glen | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
2200m
|
2300m
|
3000m
|
3000m
|
2800m
|
2500m
|
1900m
|
1700m
|
Additional weather information
Meteorologist's view
Note strong winds and summit gales early in the morning.
Weather
A frontal zone moves over the area bringing cloud and the risk of patchy rain for much of daytime, but some brighter spells are expected in the afternoon. Rain will then turn occasionally heavy in the evening and overnight. Gales on tops in the morning, moderating in the afternoon.
Chance of cloud-free hill tops
20% in morning and evening. 50% in the afternoon for a time.
Low cloud and visibility
Fairly extensive cloud bases 500-700m through the morning, lifting to 900m or above in the afternoon with a few breaks developing. Visibility below cloud bases will be generally good, deteriorating to a few kilometres in rain, especially in the evening.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Rain clearing east during the early morning, followed by a drier and brighter afternoon with some sunny spells and the odd light scattered shower.
Chance of cloud-free hill tops
30% at first, increasing to 90%.
Maximum wind speed expected
Gusting 20-30mph on tops in the morning.
Temperature
- At 800m Plus 6 rising 8 Celsius.
- Glen Plus 10 rising 14 Celsius.
- Freezing level Above summits.
Low cloud and visibility
Patches of cloud with bases 700-900m in the morning will lift above tops in the afternoon. Visibility will be very good, but occasionally poor in early rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Thu 24 Sep
Turning cloudy and windy with severe gales on tops, locally storm force in the afternoon.
Fri 25 Sep
Mainly cloudy with outbreaks of rain, turning showery later. Strong winds on tops.
Sat 26 Sep
Remaining rather unsettled with bright spells and the risk of showers. Strong to gale force winds on tops.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran