Mountain weather
Southwest Highlands
Confidence
Medium becoming Low on Wednesday.
-
Tue 1 SepSunrise:Sunset:
-
Wed 2 SepSunrise:Sunset:
-
Further outlook
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Heavy Persistent Rain
Gales
Severe Chill Effect
Strong Sunlight
Mountain weather forecast
Heavy rain, becoming drier and brighter through the afternoon. Windy.
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
Weather
(at 800m)
|
Weather symbols | ||||||
|
Chance of
precipitation (at 800m)
|
Chance of precipitation |
80%
|
90%
|
60%
|
30%
|
20%
|
20%
|
Wind direction and speed
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | SW 38mph knots
SW
38mph |
SW 41mph knots
SW
41mph |
SW 38mph knots
SW
38mph |
W 29mph knots
W
29mph |
W 26mph knots
W
26mph |
SW 20mph knots
SW
20mph |
|
900m
|
900m | SW 24mph knots
SW
24mph |
SW 28mph knots
SW
28mph |
W 28mph knots
W
28mph |
W 22mph knots
W
22mph |
W 20mph knots
W
20mph |
W 12mph knots
W
12mph |
|
600m
|
600m | SW 32mph knots
SW
32mph |
SW 36mph knots
SW
36mph |
SW 30mph knots
SW
30mph |
W 22mph knots
W
22mph |
SW 18mph knots
SW
18mph |
SW 14mph knots
SW
14mph |
|
300m
|
300m | SW 13mph knots
SW
13mph |
SW 18mph knots
SW
18mph |
SW 18mph knots
SW
18mph |
W 15mph knots
W
15mph |
W 10mph knots
W
10mph |
SW 7mph knots
SW
7mph |
|
Glen
|
Glen | S 10mph knots
S
10mph |
SW 14mph knots
SW
14mph |
SW 13mph knots
SW
13mph |
W 11mph knots
W
11mph |
SW 6mph knots
SW
6mph |
SW 5mph knots
SW
5mph |
Wind gust
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 46mph | 51mph | 48mph | 37mph | 32mph | 25mph |
|
900m
|
900m | 31mph | 38mph | 37mph | 29mph | 26mph | 17mph |
|
600m
|
600m | 39mph | 44mph | 39mph | 29mph | 24mph | 18mph |
|
300m
|
300m | 22mph | 30mph | 26mph | 23mph | 16mph | 11mph |
|
Glen
|
Glen | 22mph | 29mph | 25mph | 22mph | 13mph | 11mph |
|
Time
|
Time |
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 | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C | 2 degrees Celsius 2°C |
|
900m
|
900m | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C |
|
600m
|
600m | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C |
|
Glen
|
Glen | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
2300m
|
2400m
|
2100m
|
1800m
|
1600m
|
1600m
|
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 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 |
|
900m
|
900m | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C |
|
600m
|
600m | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
Glen
|
Glen | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
2300m
|
2400m
|
2100m
|
1800m
|
1600m
|
1600m
|
Additional weather information
Meteorologist's view
Nothing further to add.
Weather
Cloudy with rain overnight, heavy at times. Heavy and persistent rain during the morning, occasional summit gales. Drier and brighter conditions pushing in from the Ben Nevis area and the north during the afternoon, the evening dry and cloudy or bright.
Chance of cloud-free hill tops
Nil rising to 70% during the afternoon
Low cloud and visibility
Extensive cloud, base 300 to 600m at first, the cloud lifting and breaking near or above the summits during the afternoon, typically bases becoming around 1000m. Visibility moderate to very poor in cloud and rain, but often good or very good during the afternoon and evening.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Mainly dry and cloudy or partly cloudy overnight. Outbreaks of rain expected to develop during the morning, particularly across the Trossachs and Arrochar Alps, with Glen Coe and the north perhaps staying mainly dry until evening. However, some uncertainty around rainfall on Wednesday.
Chance of cloud-free hill tops
20% in the south, 60% in the north.
Maximum wind speed expected
Southeast to Southwest 10 to 20mph.
Temperature
- At 800m Plus 6 to 10 Celsius.
- Glen Plus 10 to 18 Celsius.
- Freezing level Above the summits.
Low cloud and visibility
Extensive cloud, base 600 or less across the south, but near or above the summits at times in the north. Visibility moderate to very poor in cloud and rain, but mainly good or very good in the north, except in any summit cloud.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Thu 3 Sep
Rain clearing and the cloud lifting and breaking overnight. Cloudy or bright during daylight hours with occasional showers. Rain possible later in the evening. Strong west or southwest winds at height.
Fri 4 Sep
Heavy overnight rain, then bright spells and showers during daylight hours. Fresh to strong west or southwest winds at height.
Sat 5 Sep
Mainly dry with bright or sunny spells. Light or moderate west or southwest winds at height.
Mountain weather information
Thu 3 Sep
Rain clearing and the cloud lifting and breaking overnight. Cloudy or bright during daylight hours with occasional showers. Rain possible later in the evening. Strong west or southwest winds at height.
Fri 4 Sep
Heavy overnight rain, then bright spells and showers during daylight hours. Fresh to strong west or southwest winds at height.
Sat 5 Sep
Mainly dry with bright or sunny spells. Light or moderate west or southwest winds at height.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran