Mountain weather
Southwest Highlands
Confidence
High confidence in the broad themes for the next 5 days. Some uncertainty on the timing of the rain band crossing Scotland on Wednesday.
-
Mon 28 SepSunrise:Sunset:
-
Tue 29 SepSunrise: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
Poor Visibility
Strong Sunlight
Mountain weather forecast
Showers easing into the afternoon. Chilly in fresh to strong winds on tops.
|
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%
|
30%
|
10%
|
10%
|
10%
|
Wind direction and speed
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | S 30mph knots
S
30mph |
S 29mph knots
S
29mph |
SW 27mph knots
SW
27mph |
SW 23mph knots
SW
23mph |
S 20mph knots
S
20mph |
SE 24mph knots
SE
24mph |
|
900m
|
900m | SW 19mph knots
SW
19mph |
SW 21mph knots
SW
21mph |
SW 19mph knots
SW
19mph |
SW 17mph knots
SW
17mph |
S 14mph knots
S
14mph |
SE 18mph knots
SE
18mph |
|
600m
|
600m | S 25mph knots
S
25mph |
S 28mph knots
S
28mph |
SW 23mph knots
SW
23mph |
SW 19mph knots
SW
19mph |
S 17mph knots
S
17mph |
S 24mph knots
S
24mph |
|
300m
|
300m | S 11mph knots
S
11mph |
S 13mph knots
S
13mph |
SW 13mph knots
SW
13mph |
SW 11mph knots
SW
11mph |
S 8mph knots
S
8mph |
SE 9mph knots
SE
9mph |
|
Glen
|
Glen | SW 6mph knots
SW
6mph |
SW 6mph knots
SW
6mph |
SW 13mph knots
SW
13mph |
SW 10mph knots
SW
10mph |
S 2mph knots
S
2mph |
NE 3mph knots
NE
3mph |
Wind gust
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 35mph | 36mph | 34mph | 29mph | 25mph | 29mph |
|
900m
|
900m | 25mph | 27mph | 25mph | 23mph | 19mph | 25mph |
|
600m
|
600m | 30mph | 34mph | 29mph | 25mph | 21mph | 29mph |
|
300m
|
300m | 16mph | 20mph | 20mph | 17mph | 12mph | 15mph |
|
Glen
|
Glen | 17mph | 17mph | 24mph | 19mph | 7mph | 7mph |
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 2 degrees Celsius 2°C |
|
900m
|
900m | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C |
|
600m
|
600m | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
300m
|
300m | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
Glen
|
Glen | 9 degrees Celsius 9°C | 11 degrees Celsius 11°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
| Freezing Level | Freezing Level |
1400m
|
1400m
|
1400m
|
1400m
|
1500m
|
1600m
|
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | -6 degrees Celsius -6°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 |
|
900m
|
900m | -1 degrees Celsius -1°C | -1 degrees Celsius -1°C | 1 degrees Celsius 1°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 | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C |
|
300m
|
300m | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
Glen
|
Glen | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 9 degrees Celsius 9°C |
| Freezing Level | Freezing Level |
1400m
|
1400m
|
1400m
|
1400m
|
1500m
|
1600m
|
Additional weather information
Meteorologist's view
Gusts of 30-40mph on tops may give some challenging walking conditions and affect balance at times. Also note the sub-zero wind chill.
Weather
Partly cloudy in the morning with showers, these frequent for Lochaber, but mainly dry for the Trossachs and Arran. Turning sunnier in the afternoon as showers clear. Fresh to strong winds on tops with a sub-zero wind chill.
Chance of cloud-free hill tops
30% at first, rising to 90% in the afternoon.
Low cloud and visibility
Areas of cloud with bases 600-800m at first, the cloud thickening in and around showers. Cloud bases will tend to break up and lift to 1200m or above in the afternoon. Visibility will be generally very good outside of morning showers.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
A very windy day with severe gales on tops. Patchy cloud in the morning will become extensive in the afternoon alongside murky conditions in mist, fog and drizzle by evening.
Chance of cloud-free hill tops
40% decreasing to <10% during the afternoon.
Maximum wind speed expected
South to southeast gusting 60-70mph on tops in the afternoon.
Temperature
- At 800m Plus 7 rising to 10 Celsius.
- Glen Plus 6 rising to 15 Celsius.
- Freezing level Above summits.
Low cloud and visibility
Patches of cloud with bases around 800m at first, thickening and lowering to 400-600m in the afternoon and evening, with poor visibility in mist and drizzle by the evening.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Wed 30 Sep
Another very windy day with gales on tops. A band of heavy rain spreads east during the day.
Thu 1 Oct
A bright day with sunny spells and scattered showers. Strong winds with gales on tops.
Fri 2 Oct
Variable cloud amounts with risk of showers and remaining rather windy.
Mountain weather information
Wed 30 Sep
Another very windy day with gales on tops. A band of heavy rain spreads east during the day.
Thu 1 Oct
A bright day with sunny spells and scattered showers. Strong winds with gales on tops.
Fri 2 Oct
Variable cloud amounts with risk of showers and remaining rather windy.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran