During Wednesday, rain or showers that can become heavy and produce large amounts in a short time.; What happens?: A low pressure area over the Norwegian Sea will bring rain or showers on Wednesday that can be heavy and produce large amounts in a short time. Thunderstorms are also possible. A total of 30-50 mm of rain may fall.; What should I think about?: Flooding can occur in, for example, basements and stormwater systems. Check if you can seal your basement, or move items that are at risk of being damaged by water. Clear gutters, storm drains and other waterways so that the water can flow away unimpeded. Roads and underpasses may be flooded, avoid driving through the water. Travel times may increase due to poor visibility and risk of hydroplaning. Allow more time for your journey and adjust the speed according to road conditions.; Where?: Västerbotten County's coastal land