Every winter someone wrecks a day on the hill because they read the forecast like a weather app for their hometown. The forecast wasn't wrong. They just read the wrong bit. A Scottish mountain weather forecast is packed with wind speeds, freezing levels and cloud terms that look harmless from the sofa and get a lot less friendly on a ridge. This guide walks through what I actually check, in what order, and what I ignore. Whether you're heading up Ben Nevis or working a route