An autumn storm is forecast to hit Finland starting Friday. Forecasters predict heavy rainfall in Southern Lapland. This rainfall area has spread overnight from the southwest across central and southern Finland. Simultaneously, easterly winds are strengthening. Motorists are advised to prepare for poor driving conditions due to the anticipated weather changes. This storm system poses potential travel challenges in affected regions, especially during the upcoming weekend. Meteorologist Joonas Koskela urges caution in light of the worsening conditions.