Mountain weather
Southwest Highlands
Confidence
High confidence in the general themes for the next 5 days, but some uncertainty in cloud amounts on Sunday and extent of any rain in the afternoon. Low confidence with timings of the widespread frontal rain arriving on Monday afternoon.
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Sat 15 AugSunrise:Sunset:
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Sun 16 AugSunrise:Sunset:
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Further outlook
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Strong Sunlight
Mountain weather forecast
A few drizzly showers, brightest in south and east.
|
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 |
60%
|
60%
|
60%
|
60%
|
30%
|
30%
|
Wind direction and speed
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | SW 21mph knots
SW
21mph |
W 20mph knots
W
20mph |
W 19mph knots
W
19mph |
W 17mph knots
W
17mph |
W 15mph knots
W
15mph |
SW 14mph knots
SW
14mph |
|
900m
|
900m | W 14mph knots
W
14mph |
W 15mph knots
W
15mph |
W 16mph knots
W
16mph |
W 14mph knots
W
14mph |
W 13mph knots
W
13mph |
W 11mph knots
W
11mph |
|
600m
|
600m | SW 15mph knots
SW
15mph |
SW 16mph knots
SW
16mph |
W 16mph knots
W
16mph |
W 15mph knots
W
15mph |
W 14mph knots
W
14mph |
SW 12mph knots
SW
12mph |
|
300m
|
300m | SW 7mph knots
SW
7mph |
SW 9mph knots
SW
9mph |
W 10mph knots
W
10mph |
W 9mph knots
W
9mph |
W 7mph knots
W
7mph |
SW 5mph knots
SW
5mph |
|
Glen
|
Glen | SW 4mph knots
SW
4mph |
SW 7mph knots
SW
7mph |
W 9mph knots
W
9mph |
W 9mph knots
W
9mph |
W 7mph knots
W
7mph |
SW 3mph knots
SW
3mph |
Wind gust
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 24mph | 24mph | 25mph | 23mph | 20mph | 18mph |
|
900m
|
900m | 17mph | 19mph | 22mph | 19mph | 18mph | 14mph |
|
600m
|
600m | 18mph | 20mph | 21mph | 20mph | 18mph | 15mph |
|
300m
|
300m | 11mph | 12mph | 15mph | 15mph | 11mph | 8mph |
|
Glen
|
Glen | 9mph | 13mph | 17mph | 17mph | 14mph | 8mph |
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C |
|
900m
|
900m | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C |
|
600m
|
600m | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
300m
|
300m | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
|
Glen
|
Glen | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 13 degrees Celsius 13°C |
| Freezing Level | Freezing Level |
2100m
|
2200m
|
2300m
|
2200m
|
2200m
|
2100m
|
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 0 degrees Celsius 0°C | 1 degrees Celsius 1°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C |
|
900m
|
900m | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C |
|
600m
|
600m | 6 degrees Celsius 6°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 |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C |
|
Glen
|
Glen | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
| Freezing Level | Freezing Level |
2100m
|
2200m
|
2300m
|
2200m
|
2200m
|
2100m
|
Additional weather information
Meteorologist's view
Feeling chilly in the wind on tops and some challenging navigation in poor visibility at times.
Weather
A bright day with a few light drizzly showers for a time. More cloud develops through the day, especially for Lochaber and western coasts, the best of the sunnier spells across the Trossachs and Arran.
Chance of cloud-free hill tops
40%. Rising to 70% in the south and east by day.
Low cloud and visibility
Patchy cloud bases around 800m at first, lifting to 1000-1200m in the afternoon. Good visibility generally, but cloud bases occasionally deteriorating to 500m in drizzly showers across Lochaber.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
A bright but rather cloudy morning with the odd light shower. Cloud becomes extensive in the afternoon with the risk of some rain spreading in from the west.
Chance of cloud-free hill tops
30%
Maximum wind speed expected
Gusting to 20mph.
Temperature
- At 800m Plus 10 rising 12 Celsius.
- Glen Plus 11 rising 15 Celsius.
- Freezing level Above summits.
Low cloud and visibility
Areas of cloud around 800-1000m by day with some limited breaks in this low cloud at times. Visibility will be generally good below cloud bases but with occasionally deteriorations in showers and later, rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Mon 17 Aug
A cloudy day with hill fog and rain becoming widespread in the afternoon. Summit winds becoming strong to gale force.
Tue 18 Aug
Fairly cloudy with scattered showers, but some brighter spells too. Occasional strong to gale force summit winds.
Wed 19 Aug
Scattered showers or spells of rain and often rather windy.
Mountain weather information
Mon 17 Aug
A cloudy day with hill fog and rain becoming widespread in the afternoon. Summit winds becoming strong to gale force.
Tue 18 Aug
Fairly cloudy with scattered showers, but some brighter spells too. Occasional strong to gale force summit winds.
Wed 19 Aug
Scattered showers or spells of rain and often rather windy.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran