Mountain weather
Southwest Highlands
Confidence
High for westerly pattern persisting bringing some more unsettled weather, but lowering confidence of timing detail of poorer conditions due to the mobile nature of the pattern.
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This eveningSunrise:Sunset:
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Wed 2 SepSunrise:Sunset:
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Thu 3 SepSunrise:Sunset:
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Further outlook
This evening forecast
North seeing a few scattered light showers mixed with clear spells, while southern ranges keep cloudy skies and occasional patchy light rain. Strong westerly summit winds easing towards midnight. Severe wind chill effect across higher peaks. Freezing level above summits.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Strong Sunlight
Poor Visibility
Mountain weather forecast
Early rain in south, then most dry and occasionally bright for the afternoon. Rain in evening. Relatively light 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%
|
10%
|
10%
|
10%
|
10%
|
50%
|
Wind direction and speed
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Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
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18:00
|
21:00
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|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | SW 16mph knots
SW
16mph |
SE 13mph knots
SE
13mph |
E 8mph knots
E
8mph |
NE 9mph knots
NE
9mph |
E 11mph knots
E
11mph |
S 11mph knots
S
11mph |
SE 16mph knots
SE
16mph |
SE 24mph knots
SE
24mph |
|
900m
|
900m | W 9mph knots
W
9mph |
W 5mph knots
W
5mph |
E 4mph knots
E
4mph |
SE 5mph knots
SE
5mph |
S 7mph knots
S
7mph |
S 8mph knots
S
8mph |
S 12mph knots
S
12mph |
SE 17mph knots
SE
17mph |
|
600m
|
600m | SW 9mph knots
SW
9mph |
S 4mph knots
S
4mph |
E 4mph knots
E
4mph |
NE 7mph knots
NE
7mph |
NE 6mph knots
NE
6mph |
SE 6mph knots
SE
6mph |
S 10mph knots
S
10mph |
SE 15mph knots
SE
15mph |
|
300m
|
300m | S 4mph knots
S
4mph |
SE 3mph knots
SE
3mph |
NE 2mph knots
NE
2mph |
NE 5mph knots
NE
5mph |
NE 5mph knots
NE
5mph |
SW 6mph knots
SW
6mph |
S 6mph knots
S
6mph |
SE 7mph knots
SE
7mph |
|
Glen
|
Glen | SW 3mph knots
SW
3mph |
SW 2mph knots
SW
2mph |
E 2mph knots
E
2mph |
NE 5mph knots
NE
5mph |
E 3mph knots
E
3mph |
S 5mph knots
S
5mph |
S 5mph knots
S
5mph |
S 5mph knots
S
5mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 18mph | 15mph | 9mph | 11mph | 14mph | 15mph | 21mph | 30mph |
|
900m
|
900m | 12mph | 6mph | 6mph | 7mph | 11mph | 11mph | 17mph | 23mph |
|
600m
|
600m | 11mph | 6mph | 6mph | 10mph | 9mph | 10mph | 14mph | 20mph |
|
300m
|
300m | 6mph | 4mph | 5mph | 7mph | 8mph | 10mph | 12mph | 15mph |
|
Glen
|
Glen | 5mph | 3mph | 6mph | 8mph | 6mph | 9mph | 12mph | 11mph |
|
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 | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C |
|
900m
|
900m | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 7 degrees Celsius 7°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
600m
|
600m | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 11 degrees Celsius 11°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 11 degrees Celsius 11°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C |
|
Glen
|
Glen | 11 degrees Celsius 11°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 13 degrees Celsius 13°C | 16 degrees Celsius 16°C | 18 degrees Celsius 18°C | 17 degrees Celsius 17°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
1500m
|
1600m
|
1700m
|
2000m
|
2300m
|
2400m
|
2600m
|
2900m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | -3 degrees Celsius -3°C | -2 degrees Celsius -2°C | 0 degrees Celsius 0°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C | 2 degrees Celsius 2°C |
|
900m
|
900m | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 2 degrees Celsius 2°C | 5 degrees Celsius 5°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 7 degrees Celsius 7°C | 5 degrees Celsius 5°C |
|
600m
|
600m | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 10 degrees Celsius 10°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
300m
|
300m | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
|
Glen
|
Glen | 11 degrees Celsius 11°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 12 degrees Celsius 12°C | 16 degrees Celsius 16°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
1500m
|
1600m
|
1700m
|
2000m
|
2300m
|
2400m
|
2600m
|
2900m
|
Additional weather information
Meteorologist's view
Nothing further to add.
Weather
Beginning with patchy rain from the Trossachs southwards and clear then brighter spells mixed with a few isolated light showers to the north. The rain and showers will pass mid to late morning to leave a largely dry afternoon with brighter spells most widespread towards the Mamores. Cloud thickening from the southwest to bring rain for the evening, with outbreaks heavier across the west late evening.
Chance of cloud-free hill tops
25% becoming 75% from late morning then 10-20% by late evening
Low cloud and visibility
Visibility good, falling moderate or poor in rain and showers, very poor within cloud with bases beginning quite extensive from 600m at first across southern ranges, more broken to the north, lifting and breaking late morning, then turning more widespread through the evening as rain reaches from the southwest.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Area of rain across the region at first, locally heavy in the west, but soon brighter spells and only a few isolated and light showers spread from the west early morning. Showers building from the afternoon, bringing the risk of hail and thunder to the far west. Showers easing through the evening as clear spells increase from the east. Strong summit winds bringing a severe wind chill effect to highest peaks.
Chance of cloud-free hill tops
25% becoming 80% by mid-morning then 60% mid-afternoon
Maximum wind speed expected
West or southwest mean 25-30mph with gusts reaching 45mph across most exposed ridges and summits.
Temperature
- At 800m Plus 7 Celsius
- Glen Plus 9 Celsius lifting 17 Celsius during the afternoon
- Freezing level Above the summits
Low cloud and visibility
Visibility good, falling moderate or poor in early rain sporadically in showers, very poor within cloud with bases quite extensive at first from 600m, before lifting and becoming more broken from the west early to mid-morning.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Fri 4 Sep
Rather cloudy and showery with heavier outbreaks in west bringing the risk of hail and thunder. Strong, perhaps gale, summit winds. Freezing level above summits, but still a severe chill across highest peaks.
Sat 5 Sep
Showers again but outbreaks lighter and less frequent than Friday, with brighter spells appearing more readily. Fresh summit winds. Freezing level above summits, severe chill across highest peaks.
Sun 6 Sep
Periods of rain, heavy at times. Winds occasionally strengthening. Freezing level above summits.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran