Forecast confidence: Thunderstorm timing is inherently uncertain and may shift by several hours.
from early morning into the evening. Leave exposed summits and ridges if thunder develops.
Cloud-free timing: Around 67% early, improving to around 100% later.
A mixed day on Leith Hill: summit wind broadly 5-15 mph, with gusts 10-20 mph during the afternoon (a moderate breeze). Thunderstorms are forecast from early morning into the evening. Avoid exposed summits and ridges during the risk period. Any cloud sits well above the tops (base 500-1800 m) - clear summits. Some rain is likely, with around 2-5 mm indicated; timing and local totals remain uncertain.


