Mountain weather
Southwest Highlands
Confidence
High confidence for increasingly warm conditions later in the week. High confidence in the general development, but, low confidence for details late Friday into early Saturday.
-
This eveningSunrise:Sunset:
-
Wed 20 MaySunrise:Sunset:
-
Thu 21 MaySunrise:Sunset:
-
Further outlook
This evening forecast
Cloud becoming widespread down to 400-600m, and some showery rain through the evening. Visibilities falling poor as showers pass through. Feeling chilly at height with south to southeast winds 25-35mph.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Strong Sunlight
Severe Chill Effect
Mountain weather forecast
Cloud, showery rain in morning. Generally drier, brighter later. Windy. Chilly at height.
|
Time
|
Time |
00:00
|
03:00
|
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 |
90%
|
90%
|
70%
|
80%
|
60%
|
40%
|
20%
|
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 | S 19mph knots
S
19mph |
S 19mph knots
S
19mph |
SW 24mph knots
SW
24mph |
SW 29mph knots
SW
29mph |
SW 35mph knots
SW
35mph |
SW 35mph knots
SW
35mph |
SW 32mph knots
SW
32mph |
SW 33mph knots
SW
33mph |
|
900m
|
900m | S 13mph knots
S
13mph |
S 12mph knots
S
12mph |
SW 18mph knots
SW
18mph |
SW 21mph knots
SW
21mph |
SW 26mph knots
SW
26mph |
SW 26mph knots
SW
26mph |
SW 24mph knots
SW
24mph |
SW 24mph knots
SW
24mph |
|
600m
|
600m | S 15mph knots
S
15mph |
SW 14mph knots
SW
14mph |
SW 23mph knots
SW
23mph |
SW 26mph knots
SW
26mph |
SW 31mph knots
SW
31mph |
SW 30mph knots
SW
30mph |
SW 27mph knots
SW
27mph |
SW 26mph knots
SW
26mph |
|
300m
|
300m | S 6mph knots
S
6mph |
S 6mph knots
S
6mph |
SW 11mph knots
SW
11mph |
S 14mph knots
S
14mph |
SW 17mph knots
SW
17mph |
SW 19mph knots
SW
19mph |
SW 17mph knots
SW
17mph |
SW 12mph knots
SW
12mph |
|
Glen
|
Glen | SW 3mph knots
SW
3mph |
SW 5mph knots
SW
5mph |
SW 8mph knots
SW
8mph |
SW 10mph knots
SW
10mph |
SW 13mph knots
SW
13mph |
SW 13mph knots
SW
13mph |
SW 12mph knots
SW
12mph |
SW 7mph knots
SW
7mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 23mph | 23mph | 30mph | 36mph | 44mph | 44mph | 41mph | 41mph |
|
900m
|
900m | 17mph | 17mph | 23mph | 28mph | 34mph | 35mph | 33mph | 31mph |
|
600m
|
600m | 18mph | 16mph | 27mph | 33mph | 39mph | 38mph | 35mph | 33mph |
|
300m
|
300m | 10mph | 11mph | 17mph | 21mph | 26mph | 29mph | 27mph | 20mph |
|
Glen
|
Glen | 6mph | 11mph | 18mph | 21mph | 26mph | 26mph | 24mph | 16mph |
|
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 | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C | 1 degrees Celsius 1°C |
|
900m
|
900m | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C |
|
600m
|
600m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C |
|
Glen
|
Glen | 12 degrees Celsius 12°C | 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 | 12 degrees Celsius 12°C | 10 degrees Celsius 10°C |
| Freezing Level | Freezing Level |
1900m
|
1800m
|
1700m
|
1700m
|
1500m
|
1400m
|
1400m
|
1300m
|
|
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 | -3 degrees Celsius -3°C | -4 degrees Celsius -4°C | -6 degrees Celsius -6°C | -6 degrees Celsius -6°C | -6 degrees Celsius -6°C | -7 degrees Celsius -7°C |
|
900m
|
900m | 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 | -2 degrees Celsius -2°C |
|
600m
|
600m | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C |
|
300m
|
300m | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C |
|
Glen
|
Glen | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C |
| Freezing Level | Freezing Level |
1900m
|
1800m
|
1700m
|
1700m
|
1500m
|
1400m
|
1400m
|
1300m
|
Additional weather information
Meteorologist's view
Feeling cold at height with windy conditions making for fairly arduous walking on exposed terrain with buffeting of clothing. Balance may be affected at times.
Weather
Widespread low cloud in the morning with showery outbreaks of rain. Becoming drier and brighter from the south as we go through the afternoon and evening but still quite cloudy over northern and western ranges. A few afternoon showers, gradually easing off.
Chance of cloud-free hill tops
Little chance in morning. Rising to 60% through the afternoon
Low cloud and visibility
Widespread cloud down to 400-600m in the morning, with associated poor visibilities. Cloud becoming much more broken and rising above summits in the afternoon and evening, but still patches around summit height as any showers pass through.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Widespread low cloud and rain spreading north through the early morning. Staying mostly cloudy in the afternoon but a few limited bright spells possible in the north. A few afternoon showers. Further cloud and rain in the evening. Feeling a little warmer than Wednesday.
Chance of cloud-free hill tops
Little to no chance south. 40% north for a time in the afternoon.
Maximum wind speed expected
South to southwest 25-35mph.
Temperature
- At 800m Plus 5C rising to plus 8C.
- Glen Plus 8C rising to plus 15C by day.
- Freezing level Well above summits.
Low cloud and visibility
Quite extensive cloud down to 400-600m feeds in from the southwest throughout the day, though cloud will lift and break to a limited extent for more sheltered northern ranges for a time in the afternoon. Visibilities falling poor in rain in the morning and later in the day.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Fri 22 May
Cloudy with some patchy rain. Low confidence but chance of rain overnight. Feeling a little warmer than Thursday. Fresh to strong south to southwest winds.
Sat 23 May
Chance of rain at first, low confidence. Then largely dry and warm but quite cloudy. Light southwest winds.
Sun 24 May
Dry start. Chance of rain later. Fresh southwest winds.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran