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West Highlands mountain area forecast

Forecast issued: 1713 on Thursday, 24 July 2014

Overview for Friday

Early mist and low cloud clearing then dry, sunny and very warm. Risk of an isolated thunderstorm across the north later.

Hazards

Medium risk of Persistent extensive hill fog: Around the east and north at first.

Low risk of Thunderstorms: Very isolated late afternoon in the north.

No risk of Blizzards; Heavy snow; Storm force winds; Gales; Severe chill effect; Heavy persistent rain; Strong sunlight;

Weather summary and probability of precipitation for Friday

Dawn to 0900 0% chance of precipitation
0900 to 1200 0% chance of precipitation
1200 to 1500 0% chance of precipitation
1500 to dusk Sunny Sunny 0% chance of precipitation

Detailed mountain weather forecast

Friday

Weather

Some mist and low cloud developing in the early hours across the north east. The walking day will start dry although again there will be some fog in the glens and some cloud shrouding the lower slopes across Easter Ross around Ben Wyvis, the northern Great Glen. This will steadily burn off through the morning to leave a mainly dry and sunny day. The sun will be strong leading a risk of sunburn and dehydration. There's a low risk of a thundery shower in the far north in the afternoon but many ranges should remain dry. Feeling warm at all levels, and notably hot in the glens especially in the north.

Visibility

Mostly very good but rather hazy at first. Very poor in early fog at lower levels to start. Moderate in any showers later.

Hill fog

Banks of cloud below 200 metres at first, otherwise ranges free of cloud. Lowering to around 900 metres in any heavy showers later.

Maximum winds above 600m

Southeasterly backing southwesterly 10 mph

Temperature

Glens: Plus 11 at dawn rising to 27 Celsius by afternoon, falling to 15 Celsius in the evening.
900 m: Plus 13 rising to 19 Celsius.
Freezing level: Above the summits

Saturday

Weather

Some mist and low cloud developing across the east in the early hours. The walking day will start dry with some fog and low cloud shrouding the lower slopes across Easter Ross and through the Great Glen. This will soon burn off weather to allow some brightness in the east. Some rain reaching the west coast by the end of the morning, this extending east through the afternoon and some of this will be heavy at times. Drier weather following into western ranges later.

Visibility

Generally good or very good, but poor in early mist. Becoming moderate or poor in the west in rain.

Hill fog

Areas below 200 metres at first. Patches down to 700 metres in the afternoon across the west, becoming extensive here for a time later.

Maximum winds above 600m

Variable becoming south or southwesterly 15 mph later

Temperature

Glens: Plus 12 rising to 21 Celsius by afternoon.
900 m: Plus 13 Celsius
Freezing level: Above the summits.

Outlook

Sunday

Mostly cloudy with outbreaks of rain, this may be persistent and heavy across the northwest. Drier towards the southeast. Much cooler and fresher than of late.

Monday

Sunny intervals and a few light showers, these mainly across the north. Fresh northerly winds across the tops.

Tuesday

Some patchy rain or drizzle across the far west otherwise dry with some brughtness towards the east. Becoming rather humid again.


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