Sgùrr na Ciste Duibhe weather forecast.

Cloud-free timing: Around 0% early, improving to around 67% later.

A mixed day on Sgùrr na Ciste Duibhe: summit wind broadly 10-25 mph, with gusts 25-35 mph during the evening (fresh and blowy). 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 12:00. 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 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 midday into the afternoon. Little or no rain expected. Cold on top: air temperature broadly 2 to 6°C, feeling around -4 to 0°C in the wind - wrap up. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 17-26 mph, so treat the headline as mid-range.

A rough, clagged-in day on Sgùrr na Ciste Duibhe: summit wind broadly 40-50 mph, with gusts 60-70 mph around midday (storm-force winds). The ground is likely to be wet after recent rain. High spate risk based on forecast rainfall. Burns and unbridged crossings may become difficult or impassable. Most likely from around 00:00 until around 00:00 the following day. Much calmer lower down - generally 20-30 mph in the valley, rising towards the tops. Cloud base mostly around 500-800 m through daylight. Expect clag for much of the day, though a brief clearance is possible during the evening. 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 66 mph; check again nearer the time.

A rough, clagged-in day on Sgùrr na Ciste Duibhe: summit wind broadly 40-60 mph, with gusts 75-85 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. High spate risk based on forecast rainfall. Burns and unbridged crossings may become difficult or impassable. Most likely from around 03:00 until around 04:00 the following day. Much calmer lower down - generally 15-25 mph in the valley, rising towards the tops. Cloud base mostly around 500-800 m through daylight. Expect clag for much of the day, though a brief clearance is possible during the evening. 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 20-40 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 80 mph; check again nearer the time.

A grey, cloudy day on Sgùrr na Ciste Duibhe: summit wind broadly 20-35 mph, with gusts 35-45 mph early in the morning (gale-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 00:00 until around 03:00 the following day. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base around 400-700 m in the morning, lifting to 500-800 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 5-10 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 17 to 47 mph; check again nearer the time.

Cloud-free timing: Around 0% early, improving to around 83% later.

A mixed day on Sgùrr na Ciste Duibhe: summit wind broadly 0-15 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 500-800 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. Some rain is likely, with up to around 2 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 2 to 6°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 6 to 17 mph; check again nearer the time. 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 100% early, falling to around 50% later.

A mixed day on Sgùrr na Ciste Duibhe: summit wind broadly 15-35 mph, with gusts 35-45 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. 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 18 to 35 mph; check again nearer the time. 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 75% early, falling to around 50% later.

A rough, clagged-in day on Sgùrr na Ciste Duibhe: summit wind broadly 30-45 mph, with gusts 55-65 mph during the morning (storm-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 10-20 mph in the valley, rising towards the tops. Cloud base around 1500-1800 m in the morning, 500-800 m around midday and 700-1000 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view early in the morning. 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 26 to 82 mph; check again nearer the time.