How weather forecasts can predict much more than snow or rain Updated / Thursday, 11 Feb 2021 15:55 "Weather is fascinating, captivating and dangerous to the unprepared, which is why we forecast it." Photo: Eamonn Farrell/RollingNews.ie Opinion: we need to understand the influence and impact of weather on our health and public services As a nation of weather watchers, we are all interested to see the weather forecast to find out if we are in for yet another cold blast hitting us this weekend from the polar jet stream. Weather is fascinating, captivating and dangerous to the unprepared, which is why we forecast it.