Canterbury is set to experience significant weather changes next week, with a forecast of wet and cold conditions bringing a mix of rain and snow.

Blue Skies Weather & Climate Services Ltd has predicted a range of outcomes based on current weather models, indicating a low to moderate risk of heavy snow at higher elevations and some snow flurries reaching near sea level.

Farmers and residents are advised to use the settled weather over the next few days to prepare for potential disruptions.For Farmers:

Probable:
– Heavy snow above 600m is likely at some point between Monday night and Wednesday.
– Light snow flurries above 300m are expected between Wednesday and Friday.
– Cold southerly winds from Tuesday to Friday, accompanied by damp conditions and no sunshine, will be stressful for newborn livestock, particularly on Banks Peninsula.
– Following this, cold frosty nights are anticipated, maintaining cold stress.

Possible (low risk but high impact):
– Heavy snow above 400m could occur during the week, likely either Monday night or Wednesday.
– Moderate snow accumulations above 300m are expected mid to late week.
– Light snow accumulations and frequent snow flurries to sea level could happen mid to late week.
For Travellers:

Probable:

– Alpine passes are expected to be closed due to snow at times between Monday and Friday.
– Icy and frosty conditions will follow, potentially causing further travel disruptions.

**Possible (low risk but high impact):**
– Heavy rain inland on Monday might result in slips and flooding.
– Heavy snow could affect some passes from Monday night, requiring time to clear.
– Low-level roads on the Plains and potentially in Christchurch city might be briefly affected by light snow flurries between Wednesday and Friday.
– Higher-level roads on Banks Peninsula could experience snow and ice for several days.

Blue Skies Weather & Climate Services Ltd recommends that farmers and travellers monitor the weather updates and make necessary preparations to mitigate potential impacts.