Hourly Forecast - Coppell (Cochrane)

YELLOW WARNING - HEAT

4:50 AM EDT Thursday 11 June 2026

Impact Level: Moderate

Forecast Confidence: High

The first heat event of the season continues. What: Daytime highs near 30 degrees Celsius. Overnight lows near 18 degrees Celsius. Humidex values between 35 and 37. When: Continuing today. Additional Information: The heat event is expected to end tonight as showers and thunderstorms move in. Take action to protect yourself and others – extreme heat can affect everyone’s health. Determine if you or others around you are at greater risk of heat illness. Check on older adults, those living alone and other at-risk people in-person or on the phone multiple times a day. Watch for the early signs of heat exhaustion in yourself and others. Signs may include headache, nausea, dizziness, thirst, dark urine and intense fatigue. Stop your activity and drink water. Heat stroke is a medical emergency! Call 9-1-1 or your emergency health provider if you, or someone around you, is showing signs of heat stroke which can include red and hot skin, dizziness, nausea, confusion and change in consciousness. While you wait for medical attention, try to cool the person by moving them to a cool place, removing extra clothing, applying cold water or ice packs around the body. Drink water often and before you feel thirsty to replace fluids. Close blinds, or shades and open windows if outside is cooler than inside. Turn on air conditioning, use a fan, or move to a cooler area of your living space. If your living space is hot, move to a cool public space such as a cooling centre, community centre, library or shaded park. Follow the advice of your region’s public health authority. Plan and schedule outdoor activities during the coolest parts of the day. Limit direct exposure to the sun and heat. Wear lightweight, light-coloured, loose-fitting clothing and a wide-brimmed hat. Never leave people, especially children, or pets inside a parked vehicle. Check the vehicle before locking to make sure no one is left behind. For more information: How to protect yourself from the health effects of extreme heat Health risks and who is at risk of extreme heat events Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

In effect for:

Kapuskasing - Hearst - Smooth Rock Falls

Date/Time (EDT)	Temp. (°C)	Weather Conditions	Likelihood of precip (%)	UV index	Wind (km/h)	Humidex
11 June 2026
09:00	22	Cloudy	10	3	SW 20	30
10:00	22	Chance of showers. Risk of thunderstorms	40	4	SW 20	29
11:00	23	Chance of showers. Risk of thunderstorms	40	5	SW 20 gusts 40	29
12:00	24	Chance of showers. Risk of thunderstorms	40	7	SW 20 gusts 40	29
13:00	26	Chance of showers. Risk of thunderstorms	40	8	SW 20 gusts 40	31
14:00	27	Chance of showers. Risk of thunderstorms	40	7	W 30 gusts 50	32
15:00	28	Chance of showers. Risk of thunderstorms	40	6	W 30 gusts 50	32
16:00	28	Chance of showers. Risk of thunderstorms	30	4	W 30 gusts 50	31
17:00	29	Chance of showers. Risk of thunderstorms	30	2	SW 20 gusts 40	31
18:00	28	Chance of showers. Risk of thunderstorms	30	1	SW 20 gusts 40	30
19:00	28	Chance of showers. Risk of thunderstorms	30	*	SW 20 gusts 40	30
20:00	27	Sunny	20	*	SW 10	29
21:00	25	Sunny	20	*	SW 10	27
22:00	23	A few clouds	20	*	SW 10	*
23:00	21	Partly cloudy	20	*	SW 10	*
12 June 2026
00:00	19	Mainly cloudy	20	*	SW 10	*
01:00	18	Cloudy	20	*	SW 10	*
02:00	16	Mainly cloudy	20	*	VR 5	*
03:00	16	Mainly cloudy	20	*	VR 5	*
04:00	15	Showers. Risk of thunderstorms	80	*	VR 5	*
05:00	15	Showers. Risk of thunderstorms	80	*	NW 10	*
06:00	15	Showers. Risk of thunderstorms	80	*	NW 10	*
07:00	15	Showers. Risk of thunderstorms	80	*	NW 10	*
08:00	15	Showers. Risk of thunderstorms	80	1	W 10	*

* Value not significant

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