Forecast last updated on Friday 29th May 2015 at 7:17am
SUNDAY 31st MAY
HOW WINDY? (ON THE MUNROS)
Low confidence in this forecast: Southeasterly 40-50mph. Then after a lull, westerly 30mph.
EFFECT OF WIND ON YOU?
Intermittently difficult walking conditions on higher areas; severe wind chill.
HOW WET?
Intermittent snow.
Initially rain, or snow above 1100m. Then as steady precipitation clears, a dusting of snow to or below 600m. Then through afternoon, hail and snow showers, with risk thunder.
CLOUD ON THE HILLS?
Often covering higher summits
Cloud extensive across higher areas morning, and perhaps into afternoon. Then most summits intermittently clearing, but near showers cloud base dropping to 600 to 800m.
CHANCE OF CLOUD FREE MUNROS?
40%
SUNSHINE AND AIR CLARITY?
Bursts of sunshine will spread northeastwards, and visibility become excellent (times of changes uncertain).
HOW COLD? (AT 900M)
2 or 3C, temporarily 0 or -1C.
FREEZING LEVEL
Varied; temporarily below 900m as general precipitation clears; but often 1250m.
PLANNING OUTLOOK
All mountain areas of Britain from Saturday 30th May 2015
Frequently very cold until about next Wednesday, with precipitation at some stage on most mountain areas more or less daily - falling as a mix of heavy showers and periods of constant precipitation. There will also be thunder. As the cold weather continues, mainly on the Scottish Highlands, there remains considerable snow cover, this blocking access to some routes. There are strong indications of a reversal in weather pattern around the middle of next week, with pressure building in the vicinity of Britain, to bring increasingly fine, and later in the week warm weather