10 Day Forecast

Canterbury High Country Regional Forecast

Thursday 18 AUGUST

rain

Heavy rain about the Main Divide & Canterbury Headwaters, with significant falls until late tonight. Rates may exceed 25mm/hr about the Mt Cook and Arthur's Pass National Parks. Widespread rain elsewhere early on, especially south of Mt Oxford, easing back this afternoon in the east. Nor-westerlies at higher elevations.

Wind at 1000 Metres

hc-wind
20-30km/hr nor-westerlies.

Wind at 2000 Metres

hc-wind
40-60km/hr nor-westerlies.

Free Air Freezing Level

hc-freezing
Around 2800min the west, rising to 3100m about the eastern ranges.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

CWU Heavy rain warning in place for the Main Divide & Canterbury Headwaters and areas 15km to the east of the Main Divide.

Updated: 6:29 am Thu, 18 Aug 22

Friday 19 AUGUST

sunny-showers

Mostly fine early on, but cloud thickening through the afternoon, with rain developing from the north at night, reaching Mt Hutt around 9pm. Light nor-easterlies developing about the foothills and west/nor-westerlies about the higher ranges.

Wind at 1000 Metres

hc-wind
10-20km/hr northerlies

Wind at 2000 Metres

hc-wind
30-40km/hr west/nor-westerlies

Free Air Freezing Level

hc-freezing
Around 2800m

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

Avoid overnight tramps. Conditions deteriorate at night across the region, with widespread rain and possible heavy falls.

Updated: 6:29 am Thu, 18 Aug 22

Saturday 20 AUGUST

sunny-showers

Cloudy, with scattered rain about, mostly north of Mt Hutt. Fine spells elsewhere. Strong to gale force nor-westerlies about the higher ranges.

Wind at 1000 Metres

hc-wind
40-60km/hr nor-westerlies.

Wind at 2000 Metres

hc-wind
60-80km/hr nor-westerlies.

Free Air Freezing Level

hc-freezing
Around 2500m in the east, lowering to 2200m about the Main Divide/Headwaters.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

N/A

Updated: 6:29 am Thu, 18 Aug 22

Sunday 21 AUGUST

wind

Rain or showers about the Main Divide/Headwaters, mostly fine in the east. Snow showers above 1400m about Mt Cook an Arthur's Pass National Park. Strong to gale force nor-westerlies.

Wind at 1000 Metres

hc-wind
40-60km/hr nor-westerlies.

Wind at 2000 Metres

hc-wind
70-90km/hr nor-westerlies.

Free Air Freezing Level

hc-freezing
Around 2400m in the east, lowering to 1900m about the Main Divide.

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

CWU warnings possible.

Updated: 6:29 am Thu, 18 Aug 22

Monday 22 AUGUST

sunny-showers

Rain about the Main Divide/Headwaters, with some scattered falls in the east. Nor-westerlies, strong at times.

Wind at 1000 Metres

hc-wind
40-60km/hr nor-westerlies

Wind at 2000 Metres

hc-wind
69-90km/hr nor-westerlies

Free Air Freezing Level

hc-freezing
Around 3000m

Key Considerations & Hazard Advice

Key Considerations and Hazard Advice

N/A

Updated: 6:29 am Thu, 18 Aug 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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