Temperatures are expected to gradually rise on Wednesday.Most of the country will see dry conditions on Monday afternoon, but there are chances of rain in Northern Lapland. File photo. Image: Esa Syväkuru / YleYle News8:52A high pressure system is expected to keep temperatures relatively low in many areas of Finland on Monday.Meanwhile, a low pressure system is set to arrive from the south on Tuesday, bringing rain to southeastern areas of the country.However, temperatures are expected to gradually rise over the rest of the week.Forecast for Monday. Areas with possible overnight frost conditions (halla) are also indicated. Image: Henriikka Heikinoja / YleMost of the country will see dry conditions on Monday afternoon, but there are chances of rain in Northern Lapland. Eastern areas will be cloudier, while temperatures are expected to hover between 15 and 20 degrees Celisius.It will become increasingly cloudier in southern areas as the low pressure system arrives.At the same time temperatures are set to dip overnight in Lapland as well as Ostrobothnia, with chances of frost in some areas.According to the Finnish Meteorological Institute (FMI), the greatest likelihood of frost will be in Northern Lapland. Some areas already saw overnight frost on Saturday night, including Sodankylä, Kittilä, Utsjoki, Muonio and Enontekiö.On Sunday, FMI meteorologist Eerik Saarikalle said that the weather will begin to improve on Wednesday."The weather will be a little better on Wednesday and will improve even more on Thursday," Saarikalle said.