Mountain weather
Southwest Highlands
Confidence
High for cold and showery conditions becoming drier Friday and Saturday before rain and slightly warmer conditions spread in from Saturday night. Low for rainfall detail Monday and Tuesday.
-
Fri 15 MaySunrise:Sunset:
-
Sat 16 MaySunrise:Sunset:
-
Further outlook
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Severe Chill Effect
Strong Sunlight
Poor Visibility
Mountain weather forecast
A few showers, increasing sunny spells. Strong northerly summits winds slowly ease down.
|
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 |
30%
|
20%
|
10%
|
20%
|
10%
|
10%
|
Wind direction and speed
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | N 32mph knots
N
32mph |
NW 23mph knots
NW
23mph |
NW 21mph knots
NW
21mph |
NW 19mph knots
NW
19mph |
NW 17mph knots
NW
17mph |
N 11mph knots
N
11mph |
|
900m
|
900m | N 16mph knots
N
16mph |
NW 16mph knots
NW
16mph |
NW 17mph knots
NW
17mph |
NW 16mph knots
NW
16mph |
NW 14mph knots
NW
14mph |
NW 8mph knots
NW
8mph |
|
600m
|
600m | N 19mph knots
N
19mph |
NW 15mph knots
NW
15mph |
NW 16mph knots
NW
16mph |
NW 15mph knots
NW
15mph |
NW 14mph knots
NW
14mph |
N 11mph knots
N
11mph |
|
300m
|
300m | NW 9mph knots
NW
9mph |
NW 11mph knots
NW
11mph |
NW 13mph knots
NW
13mph |
NW 12mph knots
NW
12mph |
NW 10mph knots
NW
10mph |
W 5mph knots
W
5mph |
|
Glen
|
Glen | W 4mph knots
W
4mph |
NW 6mph knots
NW
6mph |
NW 10mph knots
NW
10mph |
NW 10mph knots
NW
10mph |
NW 9mph knots
NW
9mph |
W 6mph knots
W
6mph |
Wind gust
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 36mph | 29mph | 28mph | 25mph | 22mph | 14mph |
|
900m
|
900m | 21mph | 21mph | 23mph | 21mph | 19mph | 12mph |
|
600m
|
600m | 22mph | 19mph | 22mph | 21mph | 19mph | 13mph |
|
300m
|
300m | 11mph | 15mph | 19mph | 18mph | 16mph | 9mph |
|
Glen
|
Glen | 7mph | 12mph | 17mph | 17mph | 16mph | 9mph |
|
Time
|
Time |
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 | -2 degrees Celsius -2°C | -2 degrees Celsius -2°C | -4 degrees Celsius -4°C |
|
900m
|
900m | -1 degrees Celsius -1°C | 0 degrees Celsius 0°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 2 degrees Celsius 2°C | 0 degrees Celsius 0°C |
|
600m
|
600m | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 2 degrees Celsius 2°C |
|
300m
|
300m | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 5 degrees Celsius 5°C |
|
Glen
|
Glen | 6 degrees Celsius 6°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 7 degrees Celsius 7°C |
| Freezing Level | Freezing Level |
600m
|
700m
|
700m
|
800m
|
800m
|
600m
|
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | -15 degrees Celsius -15°C | -13 degrees Celsius -13°C | -10 degrees Celsius -10°C | -9 degrees Celsius -9°C | -9 degrees Celsius -9°C | -9 degrees Celsius -9°C |
|
900m
|
900m | -8 degrees Celsius -8°C | -6 degrees Celsius -6°C | -4 degrees Celsius -4°C | -3 degrees Celsius -3°C | -3 degrees Celsius -3°C | -4 degrees Celsius -4°C |
|
600m
|
600m | -5 degrees Celsius -5°C | -3 degrees Celsius -3°C | -1 degrees Celsius -1°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | -2 degrees Celsius -2°C |
|
300m
|
300m | 0 degrees Celsius 0°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C |
|
Glen
|
Glen | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 5 degrees Celsius 5°C |
| Freezing Level | Freezing Level |
600m
|
700m
|
700m
|
800m
|
800m
|
600m
|
Additional weather information
Meteorologist's view
In spite of the drier and brighter conditions it will still feel cold in the strong wind, particularly at height.
Weather
The day will stay mostly dry with scattered showers restricted to Lochaber in the morning and only the chance of an odd shower during the afternoon.
Chance of cloud-free hill tops
80%.
Low cloud and visibility
Most cloud remains above the summits with patchy cloud 800-1000m. The visibility will be good, falling moderate in any showers.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
The morning will be dry with sunny periods at first. Cloud will soon build northeast and lower with rain spreading northeast from the late afternoon.
Chance of cloud-free hill tops
80%, lowering 30% from mid-afternoon.
Maximum wind speed expected
Southwest 10-15mph gust 25mph.
Temperature
- At 800m Plus 2C.
- Glen Plus 2C rising plus 13C.
- Freezing level 600m rising to above the summits later.
Low cloud and visibility
Early patchy cloud will become broken by midday with the base lowering to 600-800m by mid-afternoon, the visibility stays good through the day. Rain will spread northeast from the late afternoon with the visibility falling moderate in the rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sun 17 May
Mostly cloudy with a few showers then rain spreading east in the afternoon. Moderate southwest summit winds with the freezing level 1100m.
Mon 18 May
Cloudy with outbreaks of rain, some heavy. Moderate southwest summit winds with the freezing level above the summits.
Tue 19 May
Cloudy with outbreaks of rain, some heavy. Fresh southwest summit winds with the freezing level above the summits.
Mountain weather information
Sun 17 May
Mostly cloudy with a few showers then rain spreading east in the afternoon. Moderate southwest summit winds with the freezing level 1100m.
Mon 18 May
Cloudy with outbreaks of rain, some heavy. Moderate southwest summit winds with the freezing level above the summits.
Tue 19 May
Cloudy with outbreaks of rain, some heavy. Fresh southwest summit winds with the freezing level above the summits.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran