Showers may never be far away this week as the region prepares to celebrate Cup Day and the 150th Canterbury A & P Show.
Warnings last week to keep the brolly handy are still valid.
However, the trend is for generally improving weather over the next few days, although only Show Day on Friday looks the most likely to avoid any risk of showers.
Cup Day tomorrow could see a few morning showers but mostly sunny, dry conditions are expected for racing in the afternoon, though with a chilly maximum of only 13 degrees Celsius.
Temperatures are forecast to rise a little on Wednesday and Thursday to the mid- to high teens, but a few showers are still likely, more so on Wednesday.
Predictions for Show Day are for increasing high cloud and mild temperatures in the upper teens.
MetService spokesman Dan Corbett said weak low pressure systems would influence the city this week.
''For part of the week we will be between these features so the weather will be OK.''
Rain was expected to set in again on Saturday.
Thunderstorms which battered Canterbury overnight are clearing today.
The region was hit with heavy rain, southerlies and snow in the Canterbury high country as a thunderstorm moved over the country.
However, Met Service forecaster Mads Daeraa said it would begin to ease this afternoon though snow would continue to fall in the high country until midday.
"It is going to improve. The snow will ease in the high country by early this afternoon. In Christchurch the same thing will happen with the rain.
"By this evening it will be light southerlies and showers easing. It will still be cloudy and cold but dry."
The temperature may get as high as 12 degrees, he said.
"It's not going to be a warm spring day I'm afraid."
The Met Service website recommended wearing three to four clothing layers and one windproof layer when going outside.
Daeraa said the weather would stay improved for the next few days.
Cup Day tomorrow was expected to be cloudy with a high of 13degC.
Although conditions are improving this morning, further snowfall is forecast till noon.
A further 3-6cm may accumulate in the high country above 900 metres, with lesser amounts down to 600m at first.
Met Service warned farmers to take note of the snow and unseasonably cold southerlies, which could put stress on livestock.
It also said travellers in the area should be prepared for possible snow on higher roads, including Porters Pass.
- © Fairfax NZ News