West Highlands Forecast
Western Highlands accessible from, and south of, Glenfinnan (Road to the Isles) and Glen Spean (includes Creag Meagaidh). This area include Ben Nevis and the mountains around Glencoe. In the east, includes Ben Alder south to Loch Lomond and Trossachs NP. Includes Arran and Mull.
Viewing Weather Forecast for Tuesday 1st December 2015
Forecast last updated on Tuesday 1st December 2015 at 2:17pm
Summary for all mountain areas
Widespread snowfall across the Highlands, turning progressively to rain up to higher levels, but locally only very slowly toward the east. Severe gales across the mountains, increasing for most areas through the day. Most hills shrouded in cloud, lowest western areas.
Headline for West Highlands
Upland winds increasing to storm force. Snow, later all rain.
How windy? (On the Munros)
Southeast veering southwesterly, 35 to 50mph morning, but increasing, by early afternoon widely 70, gusts over 80mph.
Effect of wind on you?
Increasingly difficult conditions on higher areas through the day; severe wind chill.
Persistent snow then heavy rain
Snow, widespread to low levels at first, but from the south slowly all turning to rain up to higher slopes - precipitation rarely ceasing all day, heaviest western mountains. Whiteout likely for several hours.
Cloud on the hills?
Extensive and low
Widely shrouding the mountains from lower slopes up, particularly areas toward west coast, including Arran.
Chance of cloud free Munros?
Almost nil most areas.
Sunshine and air clarity?
Sunshine not expected. Extensive fog across hills; visibility often appalling due to low cloud and snow/rain, at best hazy lower slopes.
How Cold? (at 900m)
0 to -2C for several hours, but rising, to 3C, perhaps higher later.
Lifting gradually: starting close to or below freezing from glens upward, later rising toward or above many summits from the south-west.
All mountain areas of Britain from Wednesday 2nd December 2015
Continued bouts of severe upland gales over the next week to 10 days, although a possible lull in Scotland on Thursday this week, and perhaps England & Wales on Friday. On western mountains, precipitation at some stage almost daily resulting in considerable rainfall in total. Freeze-thaw cycles will occur on the Scottish Munros, although often sub-zero, allowing snow to accumulate. Further south, higher summits occasionally be below freezing point, but lying snow fairly transient.