Mountain weather
Southwest Highlands
Confidence
High for changeable conditions, medium for timing of changes
-
Fri 4 SepSunrise:Sunset:
-
Sat 5 SepSunrise:Sunset:
-
Further outlook
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Gales
Severe Chill Effect
Poor Visibility
Thunderstorms
Strong Sunlight
Mountain weather forecast
Frequent showers and some sunny or clear intervals. Strong to gale westerly winds
|
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 |
90%
|
80%
|
70%
|
70%
|
70%
|
70%
|
Wind direction and speed
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | SW 49mph knots
SW
49mph |
W 43mph knots
W
43mph |
W 43mph knots
W
43mph |
W 39mph knots
W
39mph |
W 38mph knots
W
38mph |
W 40mph knots
W
40mph |
|
900m
|
900m | SW 34mph knots
SW
34mph |
W 33mph knots
W
33mph |
W 30mph knots
W
30mph |
W 28mph knots
W
28mph |
W 28mph knots
W
28mph |
W 27mph knots
W
27mph |
|
600m
|
600m | SW 45mph knots
SW
45mph |
W 36mph knots
W
36mph |
SW 32mph knots
SW
32mph |
SW 31mph knots
SW
31mph |
SW 30mph knots
SW
30mph |
SW 32mph knots
SW
32mph |
|
300m
|
300m | SW 20mph knots
SW
20mph |
SW 19mph knots
SW
19mph |
W 19mph knots
W
19mph |
W 18mph knots
W
18mph |
W 15mph knots
W
15mph |
SW 16mph knots
SW
16mph |
|
Glen
|
Glen | SW 14mph knots
SW
14mph |
W 13mph knots
W
13mph |
W 13mph knots
W
13mph |
W 14mph knots
W
14mph |
SW 11mph knots
SW
11mph |
W 11mph knots
W
11mph |
Wind gust
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 59mph | 53mph | 54mph | 49mph | 48mph | 49mph |
|
900m
|
900m | 44mph | 42mph | 39mph | 37mph | 38mph | 36mph |
|
600m
|
600m | 53mph | 44mph | 41mph | 41mph | 39mph | 41mph |
|
300m
|
300m | 32mph | 27mph | 30mph | 27mph | 24mph | 25mph |
|
Glen
|
Glen | 29mph | 28mph | 26mph | 29mph | 23mph | 24mph |
|
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 | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C |
|
900m
|
900m | 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 | 6 degrees Celsius 6°C |
|
600m
|
600m | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
300m
|
300m | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
Glen
|
Glen | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
1900m
|
1600m
|
1800m
|
1800m
|
1800m
|
1700m
|
|
Time
|
Time |
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 | -4 degrees Celsius -4°C | -4 degrees Celsius -4°C | -4 degrees Celsius -4°C |
|
900m
|
900m | 1 degrees Celsius 1°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C | 0 degrees Celsius 0°C |
|
600m
|
600m | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C |
|
300m
|
300m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 7 degrees Celsius 7°C |
|
Glen
|
Glen | 10 degrees Celsius 10°C | 12 degrees Celsius 12°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
|
1600m
|
1800m
|
1800m
|
1800m
|
1700m
|
Additional weather information
Meteorologist's view
Note the low feels like temperature on the tops due to the gale force winds, also drenching conditions during showers will add to the chill.
Weather
There will be frequent showers through the day, with some clear or sunny intervals in between. The showers heavy at times with the chance of hail and lightning.
Chance of cloud-free hill tops
70%.
Low cloud and visibility
Broken cloud 1000m or above, occasionally overcast at 800m in showers, especially early and late. Away from cloud, visibility good but dropping moderate to poor at times as the showers pass through.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Bright or sunny intervals along with some showers, these less frequent or heavy than on Friday. The showers dying out during the afternoon, but cloud thickening to bring some outbreaks of rain during the evening.
Chance of cloud-free hill tops
80% for most of day but falling 20% in the late evening.
Maximum wind speed expected
Westerly 25 gusts 35mph becoming southerly later.
Temperature
- At 800m Plus 6 rising to 8 Celsius
- Glen Plus 10 Celsius rising to 17 Celsius
- Freezing level Above the summits
Low cloud and visibility
Broken cloud mainly above 1100m, the odd patch to 900m near showers, then in the late evening, cloud lowering to 500-600m bringing hill fog and some poorer visibility in rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sun 6 Sep
Rather cloudy with some showers, perhaps some more persistent rain later but with low confidence. Strong to gale southerly winds.
Mon 7 Sep
Bright spells and some showers to start. Frequent showers or longer spells of rain later, some heavy with lightning, and strong to gale southwesterly winds.
Tue 8 Sep
Windy with showers or longer spells of rain and some sunny intervals.
Mountain weather information
Sun 6 Sep
Rather cloudy with some showers, perhaps some more persistent rain later but with low confidence. Strong to gale southerly winds.
Mon 7 Sep
Bright spells and some showers to start. Frequent showers or longer spells of rain later, some heavy with lightning, and strong to gale southwesterly winds.
Tue 8 Sep
Windy with showers or longer spells of rain and some sunny intervals.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran