10 Day Forecast

Canterbury High Country Regional Forecast

Sunday 20 JUNE

snow

Widespread rain developing across the region, heavy falls north of Mt Oxford. High intensity rainfall may exceed 15mm/hr about the Hanmer Springs & Kaikoura Ranges, more sustained falls from evening. Snow around 1300m-1400m, with significant accumulations above 1600m-1700m. Fresh cold south-easterlies developing, especially north of Mt Hutt. Rainfall totals may exceed 120mm about the Kaikoura Ranges and Hill Country north of Cheviot/Hawarden by midnight. Lighter falls in the Mackenzie Country and south of Mt Somers. Snowfall accumulation may exceed 50cm above 1600m by midnight about the Hanmer Springs & Kaikoura Ranges.

Wind at 1000 Metres

hc-wind
20-30km/hr south-easterlies, becoming strong north of Mt Hutt or Mt Oxford at night (40-50km/hr).

Wind at 2000 Metres

hc-wind
30-50km/hr south-easterlies, becoming strong to gale force north of Mt Oxford - focus on the Kaikoura Ranges, winds may exceed 60km/hr in the north.

Free Air Freezing Level

hc-freezing
Freezing Level: 1400m, this morning rising to 1500-1600m during the afternoon.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Significant rain and snow about the North Canterbury Ranges, with a focus on the Kaikoura District. Streams and rivers may be running high or in flood about the Kaikoura & Hurunui District late at night. Avoid all recreational activities about the North Canterbury and Kaikoura Ranges. Mostly cloudy, but dry about Twizel and surrounding basins. No snow is forecast to affect our higher passes or villages.

Updated: 5:04 pm Sun, 20 Jun 21

Monday 21 JUNE

snow

Mostly cloudy in the Mackenzie Country, with early shower and snow flurry risk about the hills. Fine spells from midday and clear by evening. Frosts at night. Snow about the eastern ranges, mostly north of Mt Somers, falling to around 1200m, heavy falls north of Mt Oxford early on, with significant falls likely about North Canterbury and the Seaward Kaikoura Ranges. All easing back by midday south of Mt Oxford and further north by evening. Snowfall accumulations over 1m above 1600m+ about the North Canterbury and Kaikoura Ranges.

Wind at 1000 Metres

hc-wind
15-20km/hr south-easterlies south of Mt Hutt, rising to 50-60km/hr further north, easing at night.

Wind at 2000 Metres

hc-wind
20-30km/hr southerlies south of Mt Hutt, rising to 60-90km/hr further north. easing at night.

Free Air Freezing Level

hc-freezing
Around rising to 1600m south of Mt Hutt, around 1500m further north through the day.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Heavy rain and snow about North Canterbury and the Kaikoura Ranges before 5pm. High river and stream levels about the Kaikoura District. Flooding possible about the Hurunui/Kaikoura District. Conditions ease back from the south through the day.

Updated: 5:04 pm Sun, 20 Jun 21

Tuesday 22 JUNE

sunny-showers

A fine start. Early frosts. Sunny, with high cloud early on. Brief south-westerly change, with showers, mostly north of Mt Hutt, falling as snow flurries to 1000m briefly. Clearing by evening across the region. Frosts developing.

Wind at 1000 Metres

hc-wind
20-30km/hr southerlies ease.

Wind at 2000 Metres

hc-wind
25-40km/hr southerlies ease by evening.

Free Air Freezing Level

hc-freezing
Freezing Level: Lowering to 1300m for a time.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Brief cold south-west 'flick' = light shower/snow flurry risk about the eastern ranges. High river and stream levels north of Oxford. Avalanche risk about the North Canterbury and Kaikoura Ranges, after significant snowfall.

Updated: 5:04 pm Sun, 20 Jun 21

Wednesday 23 JUNE

partly-sunny

A mostly fine day. A brief south-westerly change may bring a shower or two, falling as snow flurries above 1200m.

Wind at 1000 Metres

hc-wind
10-20km/hr nor-westerlies, turning fresh south-westerly for a time.

Wind at 2000 Metres

hc-wind
20-30km/hr nor-westerlie, turning fresh south-easterly for a time.

Free Air Freezing Level

hc-freezing
Freezing Level: Around 2400m, lowering to 1500m for a time.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Brief SW change may bring a few showers and flurries at higher elevations in the east.

Updated: 5:04 pm Sun, 20 Jun 21

Thursday 24 JUNE

wind

Rain about the Main Divide/Headwaters, with snow above 1800m. Mainly fine in the east, with variable high cloud. Strong to gale force NW winds.

Wind at 1000 Metres

hc-wind
50-70km/nor-west.

Wind at 2000 Metres

hc-wind
60-80km nor-westerlies.

Free Air Freezing Level

hc-freezing
Freezing Level: 2000m about the Main Divide, rising to 2300m in the east.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Building nor-west flow. Rain and snow about the Mt Cook & Arthur's Pass National Park.

Updated: 5:04 pm Sun, 20 Jun 21

All days (1-10) are moderated and produced by the Canterbury Weather Updates forecast team. We also have a range of high-country towns and villages, with more specific information.

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Copyright New Zealand Regional Weather Updates 2014-2021.

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