Also the language spoken by forest settlers in Värmland and Norwegian Hedmark of Central Scandinavia belonged to the old Savonian dialects.

Southern Savonian dialects are spoken in the municipalities of Anttola, Hirvensalmi, Juva, Kangasniemi, Mikkeli, Mäntyharju, Pertunmaa, (Eastern part) Puumala, Ristiina, Sulkava and Suomenniemi.

Kainuu dialects are spoken in Hyrynsalmi, Kajaani, Kuhmo, Kuusamo, Paltamo, Posio, Pudasjärvi, Puolanka, Ranua (Southern part), Ristijärvi, Sotkamo, Suomussalmi, Taivalkoski and Vaala.

Middle dialects of Keuruu-Evijärvi are spoken in Alajärvi, Evijärvi, Keuruu, Lappajärvi, Lehtimäki, Pihlajavesi, Soini, Vimpeli and Ähtäri.

The expansion of Savonian slash-and-burn agriculture, which started in the beginning of Modern era, expanded to Central Scandinavia.

The practice of slash and burn agriculture was prohibited in Sweden in the middle of the 17th century and no new Finnish settlers moved to the area.

The language of Forest Finns lacked the Schwa vowel and gemination, which are used now in the dialect spoken in Rautalampi.