Steady rainfall over Whanganui on Thursday and Friday is expected to clear by the weekend.
Meanwhile, the Metservice says Whanganui is experiencing warmer than average winter temperatures as we approach the shortest day of the year on Sunday.
Meteorologist Mmathapelo Makgabutlane said current conditions were pulling in a lot of warm air from the north.
"The average maximum temperature in the region for June is 14C.
"It is 17C today [Thursday] and a maximum of 18C is forecast for Friday."