A trough of low pressure lies slow moving over the group which is bringing showers and thunderstorms.
The Nadi Weather Office says associated cloud and showers are expected to affect the country till tomorrow.
The outlook for Suva, Navua, Nausori, Sigatoka and the Coral Coast is occasional showers and a few thunderstorms.
The Weather Office says occasional showers are also predicted for Nadi, Lautoka, Ba, Tavua, and Rakiraki today.