Sgùrr nan Coireachan (Glenfinnan) weather forecast.

Cloud-free timing: Around 0% early, improving to around 50% later.

A mixed day on Sgùrr nan Coireachan (Glenfinnan): summit wind broadly 10-25 mph, with gusts 25-35 mph early in the morning (strong winds). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base around 600-900 m in the morning, lifting to 1000-1300 m around midday and 1200-1500 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from around midday into the evening. Cloud is likely to hang lowest on western slopes; the eastern side should see somewhat higher bases and better breaks. Little or no rain expected. Cold on top: air temperature broadly 2 to 6°C, feeling around -2 to 2°C in the wind - wrap up.

A rough, clagged-in day on Sgùrr nan Coireachan (Glenfinnan): summit wind broadly 35-45 mph, with gusts 55-65 mph around midday (storm-force winds). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. High spate risk based on forecast rainfall. Burns and unbridged crossings may become difficult or impassable. Most likely from around 02:00 until around 03:00 the following day. Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base mostly around 600-900 m through daylight. Expect the top to stay in cloud for most or all of daylight, with no dependable break. Cloud is likely to hang lowest on southwestern slopes; the northeastern side should see somewhat higher bases and better breaks. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably. Cold on top: air temperature broadly 4 to 8°C, feeling around -2 to 2°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 28 to 53 mph; check again nearer the time.

A rough, clagged-in day on Sgùrr nan Coireachan (Glenfinnan): summit wind broadly 40-55 mph, with gusts 65-75 mph during the morning (storm-force winds). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. There could be a spate risk based on forecast rainfall. Burns and unbridged crossings may rise quickly. Most likely from around 09:00 until around 03:00 the following day. Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base mostly around 600-900 m through daylight. Expect the top to stay in cloud for most or all of daylight, with no dependable break. Cloud is likely to hang lowest on southwestern slopes; the northeastern side should see somewhat higher bases and better breaks. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably. Cold on top: air temperature broadly 6 to 10°C, feeling around 0 to 4°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 27 to 66 mph; check again nearer the time.

A grey, cloudy day on Sgùrr nan Coireachan (Glenfinnan): summit wind broadly 20-35 mph, with gusts 40-50 mph early in the morning (gale-force winds). The ground is likely to be wet after recent rain. There could be a spate risk based on forecast rainfall. Burns and unbridged crossings may rise quickly. Most likely from around 00:00 until around 20:00. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base around 500-800 m in the morning, lifting to 700-1000 m around midday and 700-1000 m by late afternoon. Expect the top to stay in cloud for most or all of daylight, with no dependable break. Cloud is likely to hang lowest on western slopes; the eastern side should see somewhat higher bases and better breaks. Some rain is likely, with around 2-5 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 4 to 8°C, feeling around -2 to 2°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 21 to 45 mph; check again nearer the time.

Cloud-free timing: Around 25% early, improving to around 100% later.

A mixed day on Sgùrr nan Coireachan (Glenfinnan): summit wind broadly 5-15 mph, with gusts 10-20 mph early in the morning (a moderate breeze). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. Cloud base around 600-900 m in the morning, lifting to 1000-1300 m around midday and 1500-1800 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from around midday into the evening. Little or no rain expected. Bright spells with UV up to 5 - sunscreen on exposed skin. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 6 to 21 mph; check again nearer the time.

Cloud-free timing: Around 25% early, improving to around 100% later.

A mixed day on Sgùrr nan Coireachan (Glenfinnan): summit wind broadly 10-30 mph, with gusts 30-40 mph during the evening (strong winds). The ground is likely to be wet after recent rain. Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Cloud base around 600-900 m in the morning, 2000-2300 m around midday and 1300-1600 m by late afternoon. The top is likely to drift in and out of cloud; views may come and go. Little or no rain expected. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 16-30 mph, so treat the headline as mid-range. Cloud base is the least certain part of this - the models are only moderately agreed, so it could sit a couple of hundred metres either way.

Cloud-free timing: Around 50% early, improving to around 83% later.

A wild day on Sgùrr nan Coireachan (Glenfinnan): summit wind broadly 25-40 mph, with gusts 45-55 mph during the morning (gale-force winds). A meaningful thunderstorm risk is indicated from the morning into the evening. Avoid committing to exposed ridges if storms begin to build. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base around 1500-1800 m in the morning, lowering to 500-800 m around midday and 500-800 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from late afternoon into the evening. Cloud is likely to hang lowest on southern slopes; the northern side should see somewhat higher bases and better breaks. Some rain is likely, with around 5-10 mm indicated; timing and local totals remain uncertain. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 24 to 76 mph; check again nearer the time.