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Dain City, ON

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YELLOW WARNING - HEAT

Impact Level: Moderate

Forecast Confidence: High

The first heat event of the season is expected to continue into Tuesday. What: Daytime highs near 30 degrees Celsius. Humidex values near 36. Overnight lows of 18 to 20 degrees Celsius. When: Continuing into Tuesday. Ending Tuesday night. Additional Information: Temperatures may be cooler along the lake shores. 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:

  • Niagara Falls - Welland - Southern Niagara Region
Follow:Regional ATOM feedRegional ATOM

Current ConditionsObserved at: Welland-Pelham

17°C

Wind:
SSE 7 km/h
More details
Temperature:
17.3°C
Pressure:
101.6 kPa
Dew point:
17.2°C
Humidity:
99%
Date:
Observed at:
Welland-Pelham
Past 24 hour Conditions
Weather Radar
Satellite
Lightning
Alerts
Jet Stream
Hourly Forecast
Air Quality

ForecastForecast issued:

YELLOW WARNING - HEAT

Impact Level: Moderate

Forecast Confidence: High

The first heat event of the season is expected to continue into Tuesday. What: Daytime highs near 30 degrees Celsius. Humidex values near 36. Overnight lows of 18 to 20 degrees Celsius. When: Continuing into Tuesday. Ending Tuesday night. Additional Information: Temperatures may be cooler along the lake shores. 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:

  • Niagara Falls - Welland - Southern Niagara Region
Follow:Regional ATOM feedRegional ATOM

Detailed ForecastForecast issued:

Chance of showers
Tonight
18°C
Clear. Increasing cloudiness early this evening then 40 percent chance of showers late this evening and overnight. Risk of a thunderstorm late this evening. Wind southwest 30 km/h gusting to 50 becoming light after midnight. Low 18.
Chance of showers
Tue, 19 May
29°C
A mix of sun and cloud with 30 percent chance of showers late in the morning and in the afternoon. Showers beginning late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind becoming southwest 20 km/h gusting to 40 then increasing to 40 gusting to 70 late in the morning. High 29. Humidex 36. UV index 9 or very high.
Night: Showers ending after midnight then mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20 gusting to 40 in the evening then becoming northwest 20 gusting to 40 after midnight. Low 10.
Chance of showers
Wed, 20 May
13°C
A mix of sun and cloud with 30 percent chance of showers. High 13.
Night: Clear. Low 6.
Sunny
Thu, 21 May
14°C
Sunny. High 14.
Night: Increasing cloudiness. Low 9.
Cloudy
Fri, 22 May
19°C
Cloudy. High 19.
Night: Cloudy with 60 percent chance of showers. Low 11.
Chance of showers
Sat, 23 May
13°C
Cloudy with 40 percent chance of showers. High 13.
Night: Cloudy with 40 percent chance of showers. Low 12.
Chance of showers
Sun, 24 May
19°C
Cloudy with 40 percent chance of showers. High 19.
Normals:
Max20°C.Min10°C.
Sunrise:
5:50 EDT
Sunset:
20:37 EDT

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