Mountain weather
Southwest Highlands
Confidence
High confidence for the general evolution and for mainly unsettled and occasionally windy weather. Lower confidence for details on Thursday and Sunday.
-
Thu 3 SepSunrise:Sunset:
-
Fri 4 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
Gales
Severe Chill Effect
Thunderstorms
Heavy Persistent Rain
Strong Sunlight
Mountain weather forecast
Bright spells, showers in morning. Rain or showers later. Strong 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 |
20%
|
30%
|
50%
|
70%
|
80%
|
80%
|
Wind direction and speed
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | SW 31mph knots
SW
31mph |
SW 25mph knots
SW
25mph |
SW 31mph knots
SW
31mph |
SW 33mph knots
SW
33mph |
SW 34mph knots
SW
34mph |
SW 35mph knots
SW
35mph |
|
900m
|
900m | W 20mph knots
W
20mph |
SW 18mph knots
SW
18mph |
SW 22mph knots
SW
22mph |
SW 24mph knots
SW
24mph |
SW 25mph knots
SW
25mph |
SW 24mph knots
SW
24mph |
|
600m
|
600m | SW 24mph knots
SW
24mph |
SW 21mph knots
SW
21mph |
SW 26mph knots
SW
26mph |
SW 30mph knots
SW
30mph |
SW 30mph knots
SW
30mph |
SW 29mph knots
SW
29mph |
|
300m
|
300m | SW 12mph knots
SW
12mph |
SW 14mph knots
SW
14mph |
SW 14mph knots
SW
14mph |
SW 15mph knots
SW
15mph |
SW 14mph knots
SW
14mph |
SW 13mph knots
SW
13mph |
|
Glen
|
Glen | SW 8mph knots
SW
8mph |
SW 9mph knots
SW
9mph |
SW 11mph knots
SW
11mph |
SW 13mph knots
SW
13mph |
SW 11mph knots
SW
11mph |
SW 10mph knots
SW
10mph |
Wind gust
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 37mph | 32mph | 38mph | 42mph | 43mph | 44mph |
|
900m
|
900m | 25mph | 24mph | 29mph | 32mph | 34mph | 32mph |
|
600m
|
600m | 30mph | 27mph | 33mph | 37mph | 38mph | 37mph |
|
300m
|
300m | 17mph | 20mph | 22mph | 25mph | 25mph | 24mph |
|
Glen
|
Glen | 14mph | 17mph | 22mph | 26mph | 24mph | 24mph |
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C |
|
900m
|
900m | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
600m
|
600m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
|
Glen
|
Glen | 13 degrees Celsius 13°C | 15 degrees Celsius 15°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
| Freezing Level | Freezing Level |
1800m
|
2000m
|
2000m
|
2000m
|
2200m
|
2000m
|
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | -2 degrees Celsius -2°C | -1 degrees Celsius -1°C | -1 degrees Celsius -1°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | -1 degrees Celsius -1°C |
|
900m
|
900m | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C |
|
600m
|
600m | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
Glen
|
Glen | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
1800m
|
2000m
|
2000m
|
2000m
|
2200m
|
2000m
|
Additional weather information
Meteorologist's view
Gusts of around 50mph will give difficult walking conditions with a risk of being blown off balance. Navigation could be challenging with energy output significantly increased when walking into the wind. Feeling chilly at height.
Weather
Bright spells and a few showers through the morning. Showers will become frequent and heavy through the afternoon before a more organised band of rain pushes east in the evening, as winds strengthen with a chance of summit gales later.
Chance of cloud-free hill tops
75% in morning falling to 40% in afternoon, 25% in evening.
Low cloud and visibility
Areas of cloud down to 500-700m and visibilities falling moderate or poor as showers pass through, becoming more extensive later in the afternoon and evening, but some clear spells in-between showers in the morning with good visibilities.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Strong winds and scattered to frequent heavy showers, with a small chance of thunder.
Chance of cloud-free hill tops
30%
Maximum wind speed expected
West to southwest 40-50mph, gusting 50-60mph at times.
Temperature
- At 800m Plus 6C to plus 8C.
- Glen Plus 10C rising to plus 17C by day.
- Freezing level 1800-2000m
Low cloud and visibility
Frequent showers will bring moderate or poor visibilities and quite extensive areas of cloud down to 600-800m, though some temporary clear breaks in-between.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sat 5 Sep
Fresh winds, bright spells and scattered showers in the morning. Becoming mostly dry in the afternoon as winds ease. Rain spreads north in evening.
Sun 6 Sep
Strong or very strong winds and outbreaks of occasionally heavy rain.
Mon 7 Sep
Strong westerly winds with scattered showers or perhaps longer spells of rain.
Mountain weather information
Sat 5 Sep
Fresh winds, bright spells and scattered showers in the morning. Becoming mostly dry in the afternoon as winds ease. Rain spreads north in evening.
Sun 6 Sep
Strong or very strong winds and outbreaks of occasionally heavy rain.
Mon 7 Sep
Strong westerly winds with scattered showers or perhaps longer spells of rain.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran