Nicks Weather

17°C

South Port Alberni, BC, Canada

Updated: 31/12/1969 00:35

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Yellow Watch - Severe Thunderstorm

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12:06 a.m. PDT Sunday 23 August 2026

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of severe thunderstorms that may be capable of producing heavy rain.

When thunder roars, go indoors! Lightning kills and injures Canadians every year.

Heavy rain can cause flash flooding and significant reductions to visibility.

Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on social media using #BCStorm.

In effect for:

Inland Vancouver Island

Observed at: Port Alberni Date: 12:00 AM PDT Sunday 23 August 2026
Temp.: 17 °C Wind: E 11 km/h Humidity: 79 % Dew point: 14 °C Pressure: 101.7 kPa Tendency: 0.01 kPa Visibility: km	Sunrise: 6:22 Sunset: 20:20 Normals: Max 25°C Min 10°C

Extended Forecast - Environment Canada
	Sun, 23 Aug Chance of showers Max: 21°C	Mon, 24 Aug Sunny Max: 29°C	Tue, 25 Aug Sunny Max: 30°C	Wed, 26 Aug Chance of showers Max: 21°C	Thu, 27 Aug Cloudy Max: 18°C	Fri, 28 Aug Cloudy Max: 19°C
Tonight Showers or thunderstorms Min: 15°C	Night Partly cloudy Min: 14°C	Night Clear Min: 11°C	Night Chance of showers Min: 16°C	Night Cloudy Min: 12°C	Night Cloudy Min: 12°C

Forecast

Port Alberni, BC (Issued: 4:37 PM PDT Saturday 22 August 2026)

Tonight: Cloudy. 60 percent chance of showers or thunderstorms early this evening. Showers beginning early this evening. Risk of a severe thunderstorm early this evening. Risk of a thunderstorm this evening and overnight. Wind south 20 km/h gusting to 40 becoming light this evening. Low 15.
Sun, 23 Aug: Cloudy with 60 percent chance of showers. Becoming a mix of sun and cloud late in the afternoon. High 21. Humidex 25. UV index 3 or moderate.
Night: Partly cloudy. Low 14.
Mon, 24 Aug: Sunny. High 29.
Night: Clear. Low 11.
Tue, 25 Aug: Sunny. High 30.
Night: Cloudy with 40 percent chance of showers. Low 16.
Wed, 26 Aug: Cloudy with 70 percent chance of showers. High 21.
Night: Cloudy. Low 12.
Thu, 27 Aug: Cloudy. High 18.
Night: Cloudy. Low 12.
Fri, 28 Aug: Cloudy. High 19.

24 Hour Forecast - Port Alberni, BC

Date/Time	Temp. (°C)	Weather Conditions	LOP †	Wind (km/h)
23 August 2026
1 AM	17	Showers. Risk of thunderstorms	100	VR 5
2 AM	17	Showers. Risk of thunderstorms	100	VR 5
3 AM	16	Showers. Risk of thunderstorms	100	VR 5
4 AM	16	Showers. Risk of thunderstorms	100	VR 5
5 AM	15	Showers. Risk of thunderstorms	100	VR 5
6 AM	15	Chance of showers	60	VR 5
7 AM	15	Chance of showers	60	VR 5
8 AM	15	Chance of showers	60	VR 5
9 AM	16	Chance of showers	60	VR 5
10 AM	16	Chance of showers	60	VR 5
11 AM	17	Chance of showers	60	VR 5
12 PM	18	Chance of showers	60	VR 5
1 PM	19	Chance of showers	60	VR 5
2 PM	20	Chance of showers	60	VR 5
3 PM	20	Chance of showers	60	VR 5
4 PM	21	Chance of showers	60	VR 5
5 PM	21	A mix of sun and cloud	20	VR 5
6 PM	20	A mix of sun and cloud	20	VR 5
7 PM	19	A mix of sun and cloud	20	VR 5
8 PM	18	Partly cloudy	20	VR 5
9 PM	17	Partly cloudy	20	VR 5
10 PM	16	Partly cloudy	20	VR 5
11 PM	15	Partly cloudy	20	VR 5
24 August 2026
12 AM	15	Partly cloudy	20	VR 5

† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time. Nil: 0% Low: 40% or below Medium: 60% or 70% High: Above 70%

Environment Canada