Kammala wannan jumla: Nilsson ya lashe lambobin yabo hudu a wasannin Olympics na 2018 a Pyeongchang. A ranar 13 ga Fabrairu ta zama zakara ta Olympics, bayan da ta lashe lambar zinare a tseren tseren mutum. A ranar 17 da 21 ga Fabrairu, ta lashe lambobin azurfa a cikin
4 × 5 km relay (tare da Anna Haag, Charlotte Kalla, da Ebba Andersson) da kuma a cikin tseren tseren tsere (tare da Charlotte Kalla). A ranar 25 ga Fabrairu Nilsson ya lashe lambar tagulla a tseren tseren 30 km na gargajiya. Ta kuma gama 10th a cikin 15 km skiathlon. Ta gama na biyu a gasar cin kofin duniya ta 2017<unk>2018 Sprint, bayan da ta lashe wasanni uku na tseren tseren tseren tsere a wannan kakar.