The rain on Thursday is expected to head northeast, affecting areas from central Finland to southern Lapland. Thunderstorms are possible in some areas.Yle's weather forecast maps for Thursday (TO) and Friday (PE). Image: Elias Paakkanen / YleYle News7:56A precipitation system is approaching Finland from the southwest on Thursday, according to Yle meteorologist Elias Paakkanen.The rain is expected to head northeast, affecting areas from central Finland to southern Lapland. Thunderstorms are possible in some areas.Temperatures will remain relatively cool in northern rainy areas.At the same time, southern areas are expected to see dry and sunny weather, with higher temperatures.Local showers are forecast on Friday, as a low pressure system moves eastward, with rainy conditions mainly affecting eastern and northern areas.The rest of the country is expected to be mostly dry but fairly cloudy on Friday. But it will likely be sunny in the south, southwest and northern Lapland.