Mountain weather
South Grampian and Southeast Highlands
Confidence
High for the general development and for a series of wet and windy spells interspersed with more settled periods. Low confidence for details from late Tuesday through to Wednesday afternoon.
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This eveningSunrise:Sunset:
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Mon 21 SepSunrise:Sunset:
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Tue 22 SepSunrise:Sunset:
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Further outlook
This evening forecast
Dry through the evening. Some bright spells at first but with high cloud gradually spilling east. Often clear summits with good or excellent visibilities but some patches of cloud down to 700-900m or so, mostly for Perthshire Hills and other ranges west of the A9. Westerly winds gusting 40-50mph at first but gradually easing.
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
Strong Sunlight
Mountain weather forecast
Light rain morning. Drizzle, low cloud west. Clear spells east. Fresh winds.
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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)
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Weather symbols | ||||||||
|
Chance of
precipitation (at 800m)
|
Chance of precipitation |
10%
|
10%
|
60%
|
40%
|
10%
|
10%
|
10%
|
10%
|
Wind direction and speed
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
|
1100m
|
1100m | SW 19mph knots
SW
19mph |
SW 21mph knots
SW
21mph |
SW 28mph knots
SW
28mph |
SW 36mph knots
SW
36mph |
SW 33mph knots
SW
33mph |
SW 33mph knots
SW
33mph |
SW 34mph knots
SW
34mph |
SW 35mph knots
SW
35mph |
|
900m
|
900m | SW 13mph knots
SW
13mph |
SW 14mph knots
SW
14mph |
SW 18mph knots
SW
18mph |
SW 23mph knots
SW
23mph |
SW 23mph knots
SW
23mph |
SW 22mph knots
SW
22mph |
SW 21mph knots
SW
21mph |
SW 22mph knots
SW
22mph |
|
600m
|
600m | SW 10mph knots
SW
10mph |
SW 5mph knots
SW
5mph |
SW 5mph knots
SW
5mph |
SW 11mph knots
SW
11mph |
SW 17mph knots
SW
17mph |
W 17mph knots
W
17mph |
SW 17mph knots
SW
17mph |
SW 16mph knots
SW
16mph |
|
300m
|
300m | W 4mph knots
W
4mph |
NW 1mph knots
NW
1mph |
SW 1mph knots
SW
1mph |
SW 2mph knots
SW
2mph |
W 10mph knots
W
10mph |
W 12mph knots
W
12mph |
SW 9mph knots
SW
9mph |
W 8mph knots
W
8mph |
|
Glen
|
Glen | W 2mph knots
W
2mph |
W 2mph knots
W
2mph |
W 3mph knots
W
3mph |
W 3mph knots
W
3mph |
SW 10mph knots
SW
10mph |
W 9mph knots
W
9mph |
W 9mph knots
W
9mph |
W 7mph knots
W
7mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1100m
|
1100m | 24mph | 25mph | 34mph | 43mph | 40mph | 40mph | 42mph | 43mph |
|
900m
|
900m | 18mph | 19mph | 24mph | 30mph | 29mph | 29mph | 30mph | 30mph |
|
600m
|
600m | 19mph | 13mph | 12mph | 24mph | 27mph | 28mph | 31mph | 30mph |
|
300m
|
300m | 13mph | 4mph | 8mph | 12mph | 20mph | 23mph | 21mph | 20mph |
|
Glen
|
Glen | 10mph | 6mph | 7mph | 9mph | 20mph | 18mph | 20mph | 16mph |
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Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1100m
|
1100m | 4 degrees Celsius 4°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
900m
|
900m | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
600m
|
600m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 12 degrees Celsius 12°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C |
|
300m
|
300m | 8 degrees Celsius 8°C | 6 degrees Celsius 6°C | 8 degrees Celsius 8°C | 11 degrees Celsius 11°C | 18 degrees Celsius 18°C | 18 degrees Celsius 18°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C |
|
Glen
|
Glen | 9 degrees Celsius 9°C | 7 degrees Celsius 7°C | 9 degrees Celsius 9°C | 12 degrees Celsius 12°C | 19 degrees Celsius 19°C | 20 degrees Celsius 20°C | 17 degrees Celsius 17°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
1400m
|
1700m
|
3500m
|
3300m
|
3000m
|
3000m
|
3000m
|
3000m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1100m
|
1100m | -1 degrees Celsius -1°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C |
|
900m
|
900m | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 6 degrees Celsius 6°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C |
|
600m
|
600m | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 10 degrees Celsius 10°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C |
|
300m
|
300m | 7 degrees Celsius 7°C | 5 degrees Celsius 5°C | 8 degrees Celsius 8°C | 11 degrees Celsius 11°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 13 degrees Celsius 13°C |
|
Glen
|
Glen | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 12 degrees Celsius 12°C | 17 degrees Celsius 17°C | 19 degrees Celsius 19°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C |
| Freezing Level | Freezing Level |
1400m
|
1700m
|
3500m
|
3300m
|
3000m
|
3000m
|
3000m
|
3000m
|
Additional weather information
Meteorologist's view
Gusts approaching 40-50mph or so over the summits will give difficult walking conditions with a risk of being blown off balance. Navigation could be challenging in hill fog and energy output significantly increased when walking into the wind. Feeling chilly at height in the morning with rain, low cloud, and strong winds, but warm in any afternoon sunshine.
Weather
Chilly overnight before outbreaks of light rain spread east in the morning. Widespread low cloud spreading in from the west and shrouding summits west of the A9 and western Angus hills through the day with outbreaks of mainly light drizzle. Good clear spells developing in the sheltered east towards Aberdeenshire and northeastern Angus Hills, feeling warm in the sunshine.
Chance of cloud-free hill tops
10% or less in west, 60% in east.
Low cloud and visibility
Quite widespread cloud down to 500-700m feeds in from the west through the morning and remains over western ranges throughout the day with visibilities poor in rain, drizzle and hill fog. Clear breaks in shelter in the east through the afternoon and evening.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
To start cloudy in the west and bright or clear breaks in the sheltered northeast of the Aberdeenshire Hills and around Mount Keen. A band of cloud and rain then spreads east through the afternoon and evening. Strong to gale summit winds in the morning, easing through the afternoon.
Chance of cloud-free hill tops
At first 70% in east. Otherwise 20% or less.
Maximum wind speed expected
Southwest 35-45mph, gusting 50-60mph in morning. Easing from afternoon.
Temperature
- At 800m Plus 8C to plus 10C.
- Glen Plus 13C to plus 20C.
- Freezing level Above summits.
Low cloud and visibility
Quite widespread cloud down to 600-800m in the west in the morning with poor visibilities in hill fog and rain, summits largely clear to the sheltered northeast. Cloud becomes widespread for all areas as rain spreads east in the afternoon.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Wed 23 Sep
Rain in the morning, heavy at times, clearing through the afternoon. Then clear spells and a few showers. Light winds at first, freshening later. Freezing level above summits, falling around 1400m later
Thu 24 Sep
Mostly dry by day. Cloud and rain arrive later in the day, rain heavy at times. Southerly gales or severe gales developing. Freezing level 1200-1400m at first, rising above summits later.
Fri 25 Sep
Rain gradually clears east later in the day, then bright spells and some showers. Fresh to strong southwest winds. Freezing level falling to around 1400m later.
Summit specific forecast
Including South and East Cairngorms National Park, Aberdeenshire and Angus Hills, Ben Vrackie, Ben Lawers, Loch Tay and Ochils