Mountain weather
Southwest Highlands
Confidence
High confidence lowers to Medium from the weekend with detail of timing and rainfall accumulations becoming low on Saturday.
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This eveningSunrise:Sunset:
-
Fri 11 SepSunrise:Sunset:
-
Sat 12 SepSunrise:Sunset:
-
Further outlook
This evening forecast
Cloudy with widespread showers, these becoming isolated from the late evening. Strong to near gale southwest summit winds.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Strong Sunlight
Severe Chill Effect
Mountain weather forecast
Bright and dry with the odd shower in the west. Summit winds continue strong to near gale westerly.
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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Weather
(at 800m)
|
Weather symbols | ||||||||
|
Chance of
precipitation (at 800m)
|
Chance of precipitation |
30%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
Wind direction and speed
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | SW 30mph knots
SW
30mph |
SW 28mph knots
SW
28mph |
SW 25mph knots
SW
25mph |
W 23mph knots
W
23mph |
W 21mph knots
W
21mph |
SW 21mph knots
SW
21mph |
SW 21mph knots
SW
21mph |
S 28mph knots
S
28mph |
|
900m
|
900m | W 21mph knots
W
21mph |
W 19mph knots
W
19mph |
W 18mph knots
W
18mph |
W 18mph knots
W
18mph |
W 17mph knots
W
17mph |
W 17mph knots
W
17mph |
SW 17mph knots
SW
17mph |
S 20mph knots
S
20mph |
|
600m
|
600m | SW 24mph knots
SW
24mph |
SW 22mph knots
SW
22mph |
SW 18mph knots
SW
18mph |
SW 17mph knots
SW
17mph |
W 16mph knots
W
16mph |
SW 17mph knots
SW
17mph |
SW 17mph knots
SW
17mph |
S 21mph knots
S
21mph |
|
300m
|
300m | SW 10mph knots
SW
10mph |
SW 10mph knots
SW
10mph |
SW 8mph knots
SW
8mph |
SW 10mph knots
SW
10mph |
W 12mph knots
W
12mph |
SW 11mph knots
SW
11mph |
SW 9mph knots
SW
9mph |
S 10mph knots
S
10mph |
|
Glen
|
Glen | SW 8mph knots
SW
8mph |
SW 7mph knots
SW
7mph |
SW 6mph knots
SW
6mph |
W 7mph knots
W
7mph |
W 9mph knots
W
9mph |
W 9mph knots
W
9mph |
SW 7mph knots
SW
7mph |
S 4mph knots
S
4mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 37mph | 34mph | 31mph | 30mph | 28mph | 28mph | 27mph | 35mph |
|
900m
|
900m | 27mph | 26mph | 24mph | 24mph | 24mph | 24mph | 22mph | 27mph |
|
600m
|
600m | 30mph | 28mph | 24mph | 23mph | 23mph | 24mph | 23mph | 27mph |
|
300m
|
300m | 17mph | 16mph | 14mph | 16mph | 18mph | 19mph | 16mph | 17mph |
|
Glen
|
Glen | 18mph | 17mph | 13mph | 15mph | 16mph | 18mph | 15mph | 13mph |
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 6 degrees Celsius 6°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C |
|
900m
|
900m | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C |
|
600m
|
600m | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C |
|
Glen
|
Glen | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
2200m
|
1700m
|
1600m
|
1600m
|
1700m
|
1700m
|
1800m
|
1800m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 0 degrees Celsius 0°C | -2 degrees Celsius -2°C | -4 degrees Celsius -4°C | -3 degrees Celsius -3°C | -2 degrees Celsius -2°C | -2 degrees Celsius -2°C | -2 degrees Celsius -2°C | -3 degrees Celsius -3°C |
|
900m
|
900m | 4 degrees Celsius 4°C | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C | 1 degrees Celsius 1°C |
|
600m
|
600m | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
Glen
|
Glen | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 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 |
| Freezing Level | Freezing Level |
2200m
|
1700m
|
1600m
|
1600m
|
1700m
|
1700m
|
1800m
|
1800m
|
Additional weather information
Meteorologist's view
The day will stay mostly dry with sunny spells and the cloud rising above the summits in the afternoon.
Weather
Early showers clear overnight. This will leave a mostly dry day with sunny spells and the chance of only the odd light shower along coastal ranges.
Chance of cloud-free hill tops
40% increasing 90% in the afternoon.
Low cloud and visibility
Cloud will be broken 600-800m in the early morning rising to above the summits from midday. The visibility will be good, occasionally falling to moderate in showers.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Outbreaks of rain, some heavy, will spread east overnight. Early rain will clear to sunny spells and showers during the morning. These showers will clear from the late afternoon.
Chance of cloud-free hill tops
30% increasing 60% during the afternoon.
Maximum wind speed expected
West or southwest 30-35mph gust 45mph, decreasing 20-25mph gust 35mph later.
Temperature
- At 800m Plus 9C.
- Glen Plus 10C rising to plus 18C.
- Freezing level Above the summits.
Low cloud and visibility
Extensive cloud 500-700m overnight breaks and lifts to 700-900m during the morning. The cloud will fall to lower slopes at times as the visibility falls very poor in heavy rain and poor in showers.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sun 13 Sep
Dry with sunny spells becoming cloudy later. Moderate southwest summit winds.
Mon 14 Sep
Outbreaks of rain, some heavy, clearing to showers later. Near gale to gale southerly summit winds.
Tue 15 Sep
Cloudy with widespread showers, some heavy and thundery. Near gale to gale westerly summit winds.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran