Mountain weather
Southwest Highlands
Confidence
Generally high confidence for overall setup, lower confidence from Tuesday with regards to timing and extent of heavy rain and strong winds.
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This eveningSunrise:Sunset:
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Sat 26 SepSunrise:Sunset:
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Sun 27 SepSunrise:Sunset:
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Further outlook
This evening forecast
Mostly cloudy with blustery showers and a risk of thunderstorms, mainly in the west. Strong to gale force southwesterly winds. Feeling cold on the hills.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Gales
Poor Visibility
Severe Chill Effect
Thunderstorms
Heavy Persistent Rain
Strong Sunlight
Mountain weather forecast
Heavy showers and low thunderstorm risk early morning. Showers continue rest of the day, becoming heavy and frequent again later. Gale force winds.
|
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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Weather
(at 800m)
|
Weather symbols | ||||||||
|
Chance of
precipitation (at 800m)
|
Chance of precipitation |
70%
|
60%
|
40%
|
30%
|
30%
|
70%
|
80%
|
80%
|
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 41mph knots
S
41mph |
SW 37mph knots
SW
37mph |
SW 33mph knots
SW
33mph |
SW 33mph knots
SW
33mph |
SW 34mph knots
SW
34mph |
S 36mph knots
S
36mph |
S 39mph knots
S
39mph |
S 40mph knots
S
40mph |
|
900m
|
900m | SW 28mph knots
SW
28mph |
SW 27mph knots
SW
27mph |
SW 23mph knots
SW
23mph |
SW 24mph knots
SW
24mph |
SW 25mph knots
SW
25mph |
SW 24mph knots
SW
24mph |
S 27mph knots
S
27mph |
S 28mph knots
S
28mph |
|
600m
|
600m | SW 36mph knots
SW
36mph |
SW 34mph knots
SW
34mph |
SW 27mph knots
SW
27mph |
SW 28mph knots
SW
28mph |
SW 30mph knots
SW
30mph |
S 29mph knots
S
29mph |
S 33mph knots
S
33mph |
S 33mph knots
S
33mph |
|
300m
|
300m | S 17mph knots
S
17mph |
SW 16mph knots
SW
16mph |
SW 14mph knots
SW
14mph |
SW 15mph knots
SW
15mph |
SW 16mph knots
SW
16mph |
S 16mph knots
S
16mph |
S 17mph knots
S
17mph |
S 17mph knots
S
17mph |
|
Glen
|
Glen | SW 12mph knots
SW
12mph |
SW 13mph knots
SW
13mph |
SW 10mph knots
SW
10mph |
SW 12mph knots
SW
12mph |
SW 13mph knots
SW
13mph |
SW 11mph knots
SW
11mph |
SW 10mph knots
SW
10mph |
S 13mph knots
S
13mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 52mph | 48mph | 43mph | 43mph | 45mph | 47mph | 51mph | 52mph |
|
900m
|
900m | 39mph | 38mph | 33mph | 34mph | 35mph | 34mph | 38mph | 40mph |
|
600m
|
600m | 46mph | 44mph | 36mph | 37mph | 40mph | 39mph | 43mph | 44mph |
|
300m
|
300m | 28mph | 28mph | 24mph | 25mph | 28mph | 27mph | 29mph | 30mph |
|
Glen
|
Glen | 27mph | 29mph | 23mph | 25mph | 27mph | 24mph | 24mph | 29mph |
|
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 | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C |
|
900m
|
900m | 5 degrees Celsius 5°C | 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 | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C |
|
600m
|
600m | 8 degrees Celsius 8°C | 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 | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
|
Glen
|
Glen | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C |
| Freezing Level | Freezing Level |
1800m
|
1800m
|
1600m
|
1600m
|
1800m
|
2000m
|
2200m
|
2200m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | -5 degrees Celsius -5°C | -4 degrees Celsius -4°C | -3 degrees Celsius -3°C | -4 degrees Celsius -4°C | -2 degrees Celsius -2°C | -1 degrees Celsius -1°C | -1 degrees Celsius -1°C | -1 degrees Celsius -1°C |
|
900m
|
900m | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 1 degrees Celsius 1°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C |
|
600m
|
600m | 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 | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C |
|
300m
|
300m | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
Glen
|
Glen | 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 | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
1800m
|
1800m
|
1600m
|
1600m
|
1800m
|
2000m
|
2200m
|
2200m
|
Additional weather information
Meteorologist's view
A windy day with frequent showers, so feeling chilly on higher routes. Waterproof clothing recommended with strong to gale force winds making for slow progress and risk of being blown over.
Weather
Cloudy with heavy showers and a low risk of thunderstorms early Saturday, but showers becoming more isolated through the morning with some bright or sunny spells developing. Heavy and more frequent showers returning from the west later in the afternoon. Strong to gale force southwesterly winds.
Chance of cloud-free hill tops
20%.
Low cloud and visibility
Cloud bases down to 600-800m through much of the day, perhaps lower in heavy rain, the best of any cloud breaks will be late morning and early afternoon. Visibility generally good but poorer in showers and perhaps down to a kilometre or less in heavy showers and hill fog.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Cloudy start with a few showers. A band of heavy rain then spreads eastwards across the region through the morning and afternoon, clearing to clear spells and a few light showers in the evening. Strong to gale force winds, southerly at first then turning southwesterly. Chilly on higher routes with marked wind chill.
Chance of cloud-free hill tops
20% much of the day, rising to 70% in the evening.
Maximum wind speed expected
Southerly 40-45mph gusting 45-55mph, easing to southwesterly 25-30mph gusting 30-40mph by the evening.
Temperature
- At 800m Plus 6C, falling to plus 4C in the evening.
- Glen Plus 15C, falling to plus 12C in the evening.
- Freezing level Above summits.
Low cloud and visibility
Low cloud with bases down to 600-800m for much of the day, falling to lower slopes in heavy rain. Low cloud becoming more isolated in the evening. Visibility generally good but moderate to poor in rain and hill fog.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Mon 28 Sep
Mostly cloudy with showers earlier in the day, turning drier with clear spells developing later. Fresh to strong southwesterly winds.
Tue 29 Sep
Mostly dry morning with sunny spells. Cloudy later with heavy rain spreading eastwards. Strong to gale force southeasterly winds.
Wed 30 Sep
Heavy rain clearing east to leave bright spells and showers. Strong south to southeasterly winds.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran