IL: The week starts with rainy signs - Then a sharp Low Pressure strikes The summer weather continues to be unstable. A slightly stronger low pressure may strike for the rest of the week. The weather for the beginning of the week will be dominated by low pressure and rain, says Foreca's weather blog. The week progresses in weather tinged with rain and thunderstorms. According to the forecasts, there may be a stronger low pressure for the rest of the week. This news item is based on article at the website of Iltalehti - one of the most respected Finnish news sources.