They need to explain that the rides cannot operate because in the event of a breakdown it could mean punters being trapped on a ride for up to an hour in freezing cold and wind and they'd rather sit on the side of caution than risk it happening to then have to face the inevitable headlines of customers suffering from hypothermia while stuck on their headline ride.
People are not stupid, they'll understand something a bit more detailed than "weather" and "unlikely".
People are not stupid, they'll understand something a bit more detailed than "weather" and "unlikely".