10 Day Forecast

Canterbury High Country Regional Forecast

Wednesday 18 MAY

wind

Rain at times and snow at higher elevations about the Main Divide & Canterbury Headwaters, with snow around 2200m about Mt Cook & Arthur's Pass National Parks. Falls becoming more sustained and widespread overnight. Fine in the east, with sunny skies and high cloud, becoming more extensive this afternoon. Strong to gale force nor-westerlies; becoming severe at night.

Wind at 1000 Metres

hc-wind
50-70km/hr nor-westerlies, building overnight.

Wind at 2000 Metres

hc-wind
60-80km nor-westerlies, building overnight.

Free Air Freezing Level

hc-freezing
Around 2800m in the east, lowering to 2400m about the Main Divide.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

CWU strong wind warning in place about the Canterbury High Country and Foothills. Avoid all recreational activities - with severe weather developing overnight, with heavy rain setting in about the Main Divide.

Updated: 3:53 am Wed, 18 May 22

Thursday 19 MAY

wind

Rain, occasional heavy falls about the Main Divide & Headwaters, with snow above 1400m. Rainfall totals: 50-80mm about the Arthur's & Mt Cook National Parks. Spill over through the Interior. and Mackenzie Country. Mostly fine in the east, with high cloud. Severe nor-westerly gales.

Wind at 1000 Metres

hc-wind
80-100km/hr nor-westerlies.

Wind at 2000 Metres

hc-wind
100-140km/hr nor-westerlies.

Free Air Freezing Level

hc-freezing
Around 2400m in the east, lowering to 1500m in the west.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Avoid recreation activities about the Main Divide & Canterbury Headwaters. Strong wind warning in place. Heavy rain will also affect the Mt Cook & Arthur's Pass National Parks.

Updated: 3:53 am Wed, 18 May 22

Friday 20 MAY

snow

Snow showers about the Main Divide & Canterbury Headwaters, with light accumulations around 800-900m. Brief wintry showers and snow flurries about the eastern ranges and hills, flurries to 500-700m. Clearing at night. Frosts developing at night, possibly severe.

Wind at 1000 Metres

hc-wind
25-40km/hr south-westerlies developing.

Wind at 2000 Metres

hc-wind
40-60km/hr south-westerlies developing..

Free Air Freezing Level

hc-freezing
Around 1200m

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Light snow risk about our alpine villages and passes.

Updated: 3:53 am Wed, 18 May 22

Saturday 21 MAY

wind

Snow showers about the Main Divide & Canterbury Headwaters, affecting Mt Cook & Arthur's Pass National Parks., with falls to around 1200m. Mainly fine in the east; risk of an isolated shower and snow flurry above 1300m. Strong west/nor-westerlies.

Wind at 1000 Metres

hc-wind
30-50km/hr south-westerlies,

Wind at 2000 Metres

hc-wind
50-70km south-westerlies.

Free Air Freezing Level

hc-freezing
Around 1800m in the east, lowering to 1400m about the Main Divide.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Cold south-westerly flow lingers.

Updated: 3:53 am Wed, 18 May 22

Sunday 22 MAY

partly-sunny

A few showers, falling as snow about 1300m about the Main Divide/Headwaters. Mainly fine in the east. Cold westerlies.

Wind at 1000 Metres

hc-wind
15-20km/hr westerlies

Wind at 2000 Metres

hc-wind
20-30km/jr westerlies

Free Air Freezing Level

hc-freezing
Around 1600m

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

N/A

Updated: 3:53 am Wed, 18 May 22

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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