The situation
Issued at 7:33 am on the 20th of November by Russell Voice

HEAVY RAIN FOR PARTS OF THE REGION TODAY – HEAVY SNOW ABOUT THE HILLS.

Alpine road snowfall warning in place and heavy snow watch for the Canterbury High Country – Issued 5:30am Tuesday morning.

Good morning. We’ve seen heavy and persistent rain overnight for parts of South & Mid Canterbury, while most of North Canterbury has escaped any real rain activity.  Our complex low will ‘feed’ in a more widespread periods of rain today, with heavy falls for many southern and central parts of the region.

Snow is falling about the High Country, with heavy falls above 700-800m. Parts of the Interior have experienced significant snow overnight, including areas in and around Castle Hill Village.

This system is and will ‘play’ out differently across Canterbury today – source your town page for the most detailed and specific content available. 

Snow is falling about the Interior and there is the chance of heavier falls later today. Chains are required on Porters & Arthur’s Pass – source NZTA for the latest road reports.

New alpine road snowfall warning @ Read more with member link

New heavy snow watch issued @Read more with member link

YOUR OFFICIAL DAILY ‘HIGHS’ FOR TUESDAY WILL BE ISSUED AT 5PM

Source our town pages for the most specific detail and content available; additionally our ‘Live Newsfeed’ for all the latest coverage & information.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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A colder southeasterly airflow brings more rain and cloud to eastern parts of the South Island today. This airflow will continue through Wednesday, with more onshore cloud and scattered rain for parts of the region.

A narrow ridge of high pressure will bring a more stable Friday and Saturday before another system from the Tasman takes aim bringing more rain on Sunday and early stages of next week.

Please source town pages for specific details and keep up to date with our ‘Live Weather Feed’ for all the very latest information.

GENERAL SUMMARY FOR CANTERBURY – PLEASE CHECK YOUR TOWN FORECAST FOR MORE SPECIFIC INFORMATION.

TODAY: Periods of persistent heavy rain about the South Canterbury foothills. Cloudy, with a few showers and fine breaks elsewhere turning to rain by midday; heavy falls through the afternoon for southern and central parts of the region. Cooler day time highs. Fresh SW winds at times. Snow above 600m, with heavy falls – gradually rising through the afternoon. H: 8-12 L: 2-4

WEDNESDAY: Cloudy periods with showers, periods of steady rain possible in North Canterbury. Cool conditions. SE winds. H: 12-15 L: 4-7

THURSDAY: Mostly fine, with cloudy periods and sunny spells for most. Light NE winds for coastal areas. H: 17-19 L: 5-7

Source our town pages for 1-7 day forecasts for 27 towns across Canterbury – no computer-generated content and specific information for each town.

The ‘Situation’ will be reviewed & updated at or before 6pm Tuesday evening.

TOWN FORECASTS

Christchurch

Tuesday, 20 November
rain
Rain, heavy falls at times this afternoon; gradually easing back by evening. Light SE winds. Cold conditions. Another 10-15mm likely. Snow about the High Country above 900m. Take care on the roads, with surface water & minor surface flooding in parts of the City.
High: 11°C Low: 5°C
Chance of any rain: 100%

Ashburton

Tuesday, 20 November
rain
Scattered rain or showers in the morning, then a spell of heavy afternoon rain moving in, as winds tend fresh easterly. Conditions easing in the evening. Rainfall expected: 20-30mm
High: 11°C Low: 4°C
Chance of any rain: 90%

Rangiora

Tuesday, 20 November
rain
Rain, some heavy falls in the mix. Gradually easing back late in the day. Light SE winds. Cold conditions. Snow above 900m. An additional: 7-12mm.
High: 10°C Low: 4°C
Chance of any rain: 100%

Timaru

Tuesday, 20 November
rain
Scattered rain or showers in the morning, then a spell of heavy afternoon rain moving in, as winds tend fresh easterly. Conditions easing in the evening. Rainfall expected: 25-35mm
High: 11°C Low: 4°C
Chance of any rain: 90%

Kaikoura

Tuesday, 20 November
overcast
Mostly cloudy. Chance of some light scattered rain. Cool conditions.
High: 12°C Low: 6°C
Chance of any rain: 45%

Mt Lyford Village 600m

Tuesday, 20 November
sleet
Cloudy with rain developing for a time. Chance of sleety falls and snow above 800m. Easing back by evening. Light SE winds. Rainfall total: 1-10mm depending on system 'feed' in the east.
High: 7°C Low: 2°C
Chance of any rain: 75%

Hanmer Springs 370m

Tuesday, 20 November
overcast
Mostly dry at first, however some scattered light rain or showers possible around the middle of the day, quickly clearing if they do eventuate. Possible period of showers returns tonight, snow down to 800m. Windflow tending to the easterly quarter. Rainfall expected: <2mm
High: 9°C Low: 2°C
Chance of any rain: 70%

Culverden 180m

Tuesday, 20 November
overcast
Mostly dry at first, however some scattered light rain or showers possible around the middle of the day, quickly clearing if they do eventuate. Windflow tending to the easterly quarter. Rainfall expected: <2mm
High: 12°C Low: 4°C
Chance of any rain: 55%

Cheviot

Tuesday, 20 November
showers
Cloudy skies prevail throughout the day, scattered rain developing later this morning, clearing in the evening. Winds tending fresh northeast later in the afternoon. Rainfall expected: 2-5mm
High: 11°C Low: 5°C
Chance of any rain: 65%

Amberley

Tuesday, 20 November
showers
Cloudy skies prevail throughout the day, scattered rain developing later this morning, clearing in the evening. Winds tending fresh northeast later in the afternoon. Rainfall expected: 2-5mm
High: 11°C Low: 5°C
Chance of any rain: 70%

Arthur’s Pass Village 740m

Tuesday, 20 November
snow
Occasional snow showers at first, becoming mostly dry for much of the day, before a few further wintry snow showers this evening. Cold southerly airflow. Potential for 1-2cm about the village.
High: 5°C Low: 0°C
Chance of any rain: 65%

Castle Hill Village 730m

Tuesday, 20 November
snow
Snow at times, some heavy falls possible early on. Turning sleety in nature late morning. Light SE winds. Snowfall accumulation: An additional 2-4cm possible - more at higher elevations. Take extreme care on the roads. Chains required over Porters & Arthur's Pass at 6:00am.
High: 5°C Low: -1°C
Chance of any rain: 100%

Oxford 260m

Tuesday, 20 November
rain
Rain, some heavy falls in the mix. Gradually easing back late in the day. Light SE winds. Cold conditions. Snow above 900m. An additional: 15-20mm.
High: 10°C Low: 5°C
Chance of any rain: 1200%

Darfield 190m

Tuesday, 20 November
rain
Rain, some heavy falls in the mix. Gradually easing back late in the day. Light SE winds. Cold conditions. Snow above 900m. An additional: 10-15mm.
High: 10°C Low: 4°C
Chance of any rain: 100%

Rolleston

Tuesday, 20 November
rain
Rain, some heavy falls in the mix. Gradually easing back late in the day. Light SE winds. Cold conditions. Snow above 900m. An additional: 7-12mm.
High: 10°C Low: 5°C
Chance of any rain: 100%

Methven 310m

Tuesday, 20 November
rain
A few scattered showers at times this morning, as mostly cloudy skies prevail. A spell of rain moving in this afternoon, chance briefly heavy, clearing tonight. Snow down to 600/700m at times. Rainfall expected: 15-20mm
High: 9°C Low: 3°C
Chance of any rain: 85%

Leeston

Tuesday, 20 November
rain
A few scattered showers at times this morning, as mostly cloudy skies prevail. A spell of rain moving in this afternoon, chance briefly heavy, clearing tonight. Fresh easterlies developing later in the afternoon. Rainfall expected: 10-15mm
High: 11°C Low: 4°C
Chance of any rain: 85%

Akaroa

Tuesday, 20 November
rain
A few scattered showers at times this morning, as mostly cloudy skies prevail. A spell of rain moving in this afternoon, chance briefly heavy, clearing tonight. Fresh easterlies developing later in the afternoon. Rainfall expected: 10-15mm
High: 11°C Low: 5°C
Chance of any rain: 85%

Geraldine

Tuesday, 20 November
rain
Scattered rain or showers in the morning, then a spell of heavy afternoon rain moving in, as winds tend fresh easterly. Conditions easing in the evening. Rainfall expected: 25-35mm
High: 11°C Low: 4°C
Chance of any rain: 85%

Mt Cook Village 750m

Tuesday, 20 November
sleet
Sleety showers, turning to widespread sleet this afternoon with heavy falls, chance briefly turning to snow at times. Very cold southerlies. Rainfall expected: 25-35mm
High: 5°C Low: 0°C
Chance of any rain: 90%

Lake Tekapo 720m

Tuesday, 20 November
sleet
Sleety showers, turning to widespread sleet this afternoon with heavy falls, chance briefly turning to snow at times. Very cold southerlies. Rainfall expected: 25-35mm
High: 7°C Low: 0°C
Chance of any rain: 80%

Fairlie 300m

Tuesday, 20 November
rain
Heavy showers this morning, tending to heavy rain this afternoon for a time, then clearing later in the evening. Southerly tends easterly quarter. Snow down to 700m about the ranges. Rainfall expected: 30-40mm
High: 9°C Low: 2°C
Chance of any rain: 90%

Twizel 480m

Tuesday, 20 November
rain
Showers at times this morning, turning to spells of heavy rain this afternoon, before clearing away this evening. Snow down to 700m at times, bringing the chance of sleety falls this afternoon. Rainfall expected: 25-35mm
High: 7°C Low: 1°C
Chance of any rain: 90%

Waimate

Tuesday, 20 November
rain
Rain early on easing to scattered showers, then turning to heavy rain in the afternoon. Fresh easterlies developing by afternoon. Rainfall expected: 25-35mm
High: 10°C Low: 3°C
Chance of any rain: 90%

Porters Ski Area

Tuesday, 20 November
snow
Snow, heavy falls possible. Easing late in the day. Southerlies. Freezing Level: 1000m
High: -2°C Low: -5°C
Chance of any snow: 100%

Mt Hutt Base Area 1600m

Tuesday, 20 November
snow
Snow, heavy falls possible. Easing late in the day. Southerlies. Freezing Level: 1000m
High: -3°C Low: -5°C
Chance of any snow: 100%

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