Mountain weather
Southwest Highlands
Confidence
High confidence on the general themes, with conditions becoming very unsettled through Monday. Some uncertainty on detail for the weekend, however any rain or showers will be mainly light and patchy with the best conditions across eastern hills.
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This eveningSunrise:Sunset:
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Fri 14 AugSunrise:Sunset:
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Sat 15 AugSunrise:Sunset:
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Further outlook
This evening forecast
Patchy hill fog with an isolated risk of showers, potentially heavy and thundery.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Strong Sunlight
Thunderstorms
Mountain weather forecast
Heavy and thundery rain clearing east at first. Then brighter with the odd shower.
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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)
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Weather symbols | ||||||||
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Chance of
precipitation (at 800m)
|
Chance of precipitation |
30%
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30%
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30%
|
20%
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30%
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30%
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30%
|
30%
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Wind direction and speed
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Time
|
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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1300m
|
1300m | S 21mph knots
S
21mph |
SW 19mph knots
SW
19mph |
W 16mph knots
W
16mph |
W 16mph knots
W
16mph |
W 16mph knots
W
16mph |
W 17mph knots
W
17mph |
W 16mph knots
W
16mph |
W 16mph knots
W
16mph |
|
900m
|
900m | S 13mph knots
S
13mph |
SW 12mph knots
SW
12mph |
W 10mph knots
W
10mph |
W 12mph knots
W
12mph |
W 14mph knots
W
14mph |
W 15mph knots
W
15mph |
W 13mph knots
W
13mph |
W 12mph knots
W
12mph |
|
600m
|
600m | S 12mph knots
S
12mph |
SW 12mph knots
SW
12mph |
SW 10mph knots
SW
10mph |
W 11mph knots
W
11mph |
W 14mph knots
W
14mph |
W 14mph knots
W
14mph |
W 12mph knots
W
12mph |
SW 11mph knots
SW
11mph |
|
300m
|
300m | S 6mph knots
S
6mph |
SW 6mph knots
SW
6mph |
NW 5mph knots
NW
5mph |
W 5mph knots
W
5mph |
W 9mph knots
W
9mph |
W 10mph knots
W
10mph |
W 8mph knots
W
8mph |
W 5mph knots
W
5mph |
|
Glen
|
Glen | SW 4mph knots
SW
4mph |
SW 5mph knots
SW
5mph |
W 6mph knots
W
6mph |
W 7mph knots
W
7mph |
W 10mph knots
W
10mph |
W 10mph knots
W
10mph |
W 7mph knots
W
7mph |
W 5mph knots
W
5mph |
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
|
21:00
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|---|---|---|---|---|---|---|---|---|---|
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1300m
|
1300m | 25mph | 23mph | 20mph | 21mph | 22mph | 24mph | 22mph | 21mph |
|
900m
|
900m | 17mph | 16mph | 13mph | 17mph | 20mph | 22mph | 19mph | 17mph |
|
600m
|
600m | 15mph | 16mph | 13mph | 16mph | 20mph | 21mph | 18mph | 16mph |
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300m
|
300m | 11mph | 10mph | 8mph | 10mph | 15mph | 16mph | 13mph | 10mph |
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Glen
|
Glen | 11mph | 11mph | 14mph | 13mph | 18mph | 17mph | 14mph | 11mph |
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Time
|
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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1300m
|
1300m | 11 degrees Celsius 11°C | 11 degrees Celsius 11°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 | 6 degrees Celsius 6°C |
|
900m
|
900m | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C |
|
600m
|
600m | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C |
|
300m
|
300m | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
|
Glen
|
Glen | 18 degrees Celsius 18°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 17 degrees Celsius 17°C | 17 degrees Celsius 17°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
3300m
|
3200m
|
3000m
|
2600m
|
2600m
|
2500m
|
2500m
|
2200m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
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1300m
|
1300m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 6 degrees Celsius 6°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C |
|
900m
|
900m | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C |
|
600m
|
600m | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
300m
|
300m | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
|
Glen
|
Glen | 18 degrees Celsius 18°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C |
| Freezing Level | Freezing Level |
3300m
|
3200m
|
3000m
|
2600m
|
2600m
|
2500m
|
2500m
|
2200m
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Additional weather information
Meteorologist's view
A fresher day than Thursday as the risk of thundery showers clears early Friday morning.
Weather
Heavy and occasionally thundery outbreaks of rain will clear first thing in the morning. Then a bright day with the odd drizzly shower and hill fog at times, mainly across Lochaber and the west coast, but drier with sunnier spells for the Trossachs. Turning widely cloudier again later in the afternoon and evening. Moderate to fresh winds on tops.
Chance of cloud-free hill tops
20% early morning and late afternoon, 40% during the daytime. Best chances in the south and east.
Low cloud and visibility
Extensive cloud bases around 300-500m overnight, lifting to 600-800m by day with the best of the breaks across the south and east, before lowering again from late afternoon. Visibility generally good below cloud, but occasionally reduced by day to a few kilometres or less in drizzly showers for Lochaber.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Mainly dry with sunny spells. More cloud developing through the day, especially for Lochaber and western coasts where a few drizzly showers are possible. Drier and brighter across the Trosshachs.
Chance of cloud-free hill tops
40%. Rising to 70% in the south and east.
Maximum wind speed expected
Gusting 30-35mph on summits and ridges.
Temperature
- At 800m Plus 9 rising 11 Celsius.
- Glen Plus 11 rising 17 Celsius.
- Freezing level Above summits.
Low cloud and visibility
Patchy cloud bases around 800m at first, lifting above most tops in the afternoon and with very good visibility, but occasionally deteriorating to 500m in drizzly showers across Lochaber.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sun 16 Aug
Rather cloudy with hill fog and a few spots of light rain or drizzle. Light winds.
Mon 17 Aug
Turning increasingly wet and windy with extensive hill fog. Summit winds strengthening to gale force.
Tue 18 Aug
Rain clearing but conditions remaining rather damp and cloudy.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran