Forecast confidence: Thunderstorm timing is inherently uncertain and may shift by several hours.
Cloud-free timing: Around 100% early, falling to around 40% later.
A mixed day on Clough Head: summit wind broadly 15-30 mph, with gusts 30-40 mph early in the morning (strong winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Some rain is likely, with up to around 2 mm indicated; timing and local totals remain uncertain.


