Mountain weather
Southwest Highlands
Confidence
Unsettled conditions continuing with high confidence for a transition to cooler more showery condition later in the week. Uncertainties in amount of cloud and rain on Monday and details of showers from Tuesday onwards, keep up to date with the latest forecast.
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This eveningSunrise:Sunset:
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Mon 17 AugSunrise:Sunset:
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Tue 18 AugSunrise:Sunset:
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Further outlook
This evening forecast
Cloudy with light rain and drizzle at times during the evening, light winds.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Heavy Persistent Rain
Mountain weather forecast
Cloudy at first with rain spreading east during the afternoon, turning heavy for a time in the evening, poor visibility at times, freshening southerly winds.
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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 | ||||||||
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Chance of
precipitation (at 800m)
|
Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
60%
|
70%
|
90%
|
90%
|
Wind direction and speed
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Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
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15:00
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18:00
|
21:00
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|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | E 4mph knots
E
4mph |
NE 4mph knots
NE
4mph |
NE 3mph knots
NE
3mph |
SE 5mph knots
SE
5mph |
SE 8mph knots
SE
8mph |
S 11mph knots
S
11mph |
S 15mph knots
S
15mph |
S 17mph knots
S
17mph |
|
900m
|
900m | SW 2mph knots
SW
2mph |
E 3mph knots
E
3mph |
E 3mph knots
E
3mph |
SE 5mph knots
SE
5mph |
S 6mph knots
S
6mph |
S 8mph knots
S
8mph |
S 11mph knots
S
11mph |
S 12mph knots
S
12mph |
|
600m
|
600m | NE 2mph knots
NE
2mph |
NE 3mph knots
NE
3mph |
NE 5mph knots
NE
5mph |
E 6mph knots
E
6mph |
SE 6mph knots
SE
6mph |
SW 6mph knots
SW
6mph |
SE 9mph knots
SE
9mph |
S 11mph knots
S
11mph |
|
300m
|
300m | E 2mph knots
E
2mph |
NE 2mph knots
NE
2mph |
NE 2mph knots
NE
2mph |
NE 4mph knots
NE
4mph |
W 5mph knots
W
5mph |
SW 6mph knots
SW
6mph |
SW 5mph knots
SW
5mph |
S 6mph knots
S
6mph |
|
Glen
|
Glen | SE 1mph knots
SE
1mph |
NE 1mph knots
NE
1mph |
S 1mph knots
S
1mph |
E 3mph knots
E
3mph |
S 3mph knots
S
3mph |
SW 6mph knots
SW
6mph |
SW 3mph knots
SW
3mph |
S 4mph knots
S
4mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
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09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 4mph | 5mph | 4mph | 7mph | 11mph | 14mph | 19mph | 22mph |
|
900m
|
900m | 3mph | 4mph | 4mph | 8mph | 9mph | 11mph | 16mph | 17mph |
|
600m
|
600m | 3mph | 5mph | 7mph | 8mph | 8mph | 9mph | 12mph | 15mph |
|
300m
|
300m | 3mph | 4mph | 5mph | 6mph | 7mph | 9mph | 8mph | 11mph |
|
Glen
|
Glen | 3mph | 3mph | 5mph | 5mph | 6mph | 10mph | 8mph | 11mph |
|
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 | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
900m
|
900m | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C |
|
600m
|
600m | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C |
|
Glen
|
Glen | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 18 degrees Celsius 18°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
2700m
|
2700m
|
2600m
|
2500m
|
2500m
|
2700m
|
3000m
|
3300m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 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 | 6 degrees Celsius 6°C | 4 degrees Celsius 4°C |
|
900m
|
900m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C |
|
600m
|
600m | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
|
Glen
|
Glen | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 18 degrees Celsius 18°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
2700m
|
2700m
|
2600m
|
2500m
|
2500m
|
2700m
|
3000m
|
3300m
|
Additional weather information
Meteorologist's view
Light winds in the morning, freshening from the south later in the day. A damp afternoon and evening on the hills.
Weather
A cloudy morning with low cloud layers over many of the hills, cloud lifting during the morning with the chance of some brightness at times for the Argyll hills, Glencoe and perhaps Lochaber. During the afternoon rain will spread east over the area, starting mainly light and intermittent but turning heavier during the evening and becoming persistent.
Chance of cloud-free hill tops
40% during the morning, falling to 20% later.
Low cloud and visibility
Low cloud layers above 400m will be extensive at first in the morning in the south of the area, cloud bases will be more scattered above 600m with the best chance of clear summits around more northern hills in the area by late morning, areas like Glencoe and Glen Etive, the Mamores, Cruachan. Cloud will lower and fill again during the afternoon as rain spreads in with broken layers above 400m by late afternoon. Visibility will be moderate at first in the morning but becoming good by late morning. Visibility will reduce gradually in the afternoon as it becomes wetter and will be poor at times in the evening.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Rain clearing early on Tuesday morning with the morning tending to brighten up with some sunny spells, showers will develop, especially for western ranges. Freshening westerly winds will move showers through quite quickly. Feeling fresher out on the hills.
Chance of cloud-free hill tops
40% early in the day, improving to 80% in the east, 60% in the west.
Maximum wind speed expected
Southwest 15mph increasing 20-25mph later.
Temperature
- At 800m Plus 7 Celsius.
- Glen Plus 11 rising to 18 Celsius.
- Freezing level Above all summits.
Low cloud and visibility
Early low cloud layers will lift and break with scattered low cloud bases above 600m in the west, patchier in the east with many summits clear. As showers develop low cloud may gather again above 600m for a time as a shower moves through. Visibility will become very good during the morning, only dipping moderate in any heavier afternoon showers.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Wed 19 Aug
Cloudy at times but a few bright or sunny spells developing. A risk of heavy, slow moving, possibly thundery afternoon showers, keep an eye on the latest forecast.
Thu 20 Aug
Feeling cooler despite the sunshine, scattered showers developing, brisk northerly winds.
Fri 21 Aug
Northerly winds and some sunshine with the risk of showers again.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran