Mountain weather
Southwest Highlands
Confidence
High confidence for a mostly settled Sunday, then for unsettled weather thereafter. Lower confidence for exact rainfall details on Monday.
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This eveningSunrise:Sunset:
-
Sun 13 SepSunrise:Sunset:
-
Mon 14 SepSunrise:Sunset:
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Further outlook
This evening forecast
Largely dry through the evening with often clear summits and good or excellent visibilities. Some patches of cloud around 700-900m persisting through the evening. The very small chance of the odd light shower for coastal and island ranges. Westerly winds 20-30mph. Feeling chilly at height.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Strong Sunlight
Mountain weather forecast
Mostly dry. Bright or sunny spells. Patchy cloud, light rain in morning.
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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 |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
Wind direction and speed
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | SW 14mph knots
SW
14mph |
SW 13mph knots
SW
13mph |
S 9mph knots
S
9mph |
SW 8mph knots
SW
8mph |
SW 11mph knots
SW
11mph |
SW 13mph knots
SW
13mph |
S 17mph knots
S
17mph |
S 19mph knots
S
19mph |
|
900m
|
900m | W 9mph knots
W
9mph |
W 6mph knots
W
6mph |
SW 5mph knots
SW
5mph |
SW 6mph knots
SW
6mph |
SW 8mph knots
SW
8mph |
SW 10mph knots
SW
10mph |
S 12mph knots
S
12mph |
S 14mph knots
S
14mph |
|
600m
|
600m | SW 8mph knots
SW
8mph |
SW 6mph knots
SW
6mph |
SW 5mph knots
SW
5mph |
W 6mph knots
W
6mph |
SW 9mph knots
SW
9mph |
SW 11mph knots
SW
11mph |
SW 11mph knots
SW
11mph |
S 13mph knots
S
13mph |
|
300m
|
300m | SW 5mph knots
SW
5mph |
S 5mph knots
S
5mph |
S 4mph knots
S
4mph |
NW 3mph knots
NW
3mph |
SW 7mph knots
SW
7mph |
SW 8mph knots
SW
8mph |
SW 6mph knots
SW
6mph |
S 6mph knots
S
6mph |
|
Glen
|
Glen | W 3mph knots
W
3mph |
W 1mph knots
W
1mph |
S 1mph knots
S
1mph |
SE 3mph knots
SE
3mph |
SW 7mph knots
SW
7mph |
SW 7mph knots
SW
7mph |
SW 4mph knots
SW
4mph |
S 4mph knots
S
4mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 17mph | 15mph | 11mph | 11mph | 15mph | 18mph | 21mph | 23mph |
|
900m
|
900m | 12mph | 9mph | 7mph | 9mph | 11mph | 15mph | 16mph | 19mph |
|
600m
|
600m | 11mph | 8mph | 6mph | 8mph | 13mph | 15mph | 15mph | 17mph |
|
300m
|
300m | 7mph | 7mph | 5mph | 5mph | 11mph | 12mph | 10mph | 11mph |
|
Glen
|
Glen | 6mph | 3mph | 3mph | 5mph | 11mph | 13mph | 10mph | 10mph |
|
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 | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C |
|
900m
|
900m | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C |
|
600m
|
600m | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C |
|
Glen
|
Glen | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 12 degrees Celsius 12°C | 15 degrees Celsius 15°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C |
| Freezing Level | Freezing Level |
1600m
|
1700m
|
1900m
|
2000m
|
1900m
|
1900m
|
2100m
|
2300m
|
|
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 | -2 degrees Celsius -2°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 1 degrees Celsius 1°C | 1 degrees Celsius 1°C | 1 degrees Celsius 1°C | 1 degrees Celsius 1°C |
|
900m
|
900m | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 4 degrees Celsius 4°C |
|
600m
|
600m | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°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 |
|
300m
|
300m | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C |
|
Glen
|
Glen | 11 degrees Celsius 11°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
| Freezing Level | Freezing Level |
1600m
|
1700m
|
1900m
|
2000m
|
1900m
|
1900m
|
2100m
|
2300m
|
Additional weather information
Meteorologist's view
Generally pleasant conditions but quite chilly over the highest summits. Note the strengthening winds in the late evening.
Weather
It will be mostly dry throughout the day with some bright or sunny spells. Some patchy cloud in the early morning, soon breaking or lifting above summits after dawn. Cloudier in the afternoon but this will be above summits, turning the sunshine somewhat hazy. Small chance of some patchy light rain in the evening with some areas of low cloud spreading northeast.
Chance of cloud-free hill tops
90% or higher much of the day, falling 70% in late evening.
Low cloud and visibility
Summits largely clear with good visibilities in the early morning, but some patches of mist or fog may form in sheltered glens overnight. Some patches of cloud around 700-900m for a time in the morning, these lifting above summits by early afternoon. More extensive areas of cloud down to 500m or so will start to spread northeast later in the evening.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Cloudy and windy with outbreaks of rain for much of the day making for often unpleasant conditions. Rain likely be heaviest and most persistent over Moidart, Lochaber and Nevis Ranges, particularly in the evening where there is a small risk of lightning.
Chance of cloud-free hill tops
Little chance.
Maximum wind speed expected
Southwest 30-45mph.
Temperature
- At 800m Plus 7C to plus 10C.
- Glen Plus 11C rising to plus 17C by day.
- Freezing level Above summits.
Low cloud and visibility
Widespread or extensive cloud down to 400-600m for much of the day with visibilities falling poor in hill fog and outbreaks of rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Tue 15 Sep
Heavy rain clearing east in the morning. Then frequent heavy showers with a risk of hail and lightning. Fresh to strong west to northwest winds. Freezing level above summits.
Wed 16 Sep
Showers ease in the morning, bright spells for a time. Further rain or showers from the west through the afternoon and evening. Strong south to southwest winds developing later. Freezing level above summits.
Thu 17 Sep
Strong westerly winds and heavy showers or longer spells of rain. 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