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Ailsa Craig, ON

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YELLOW WATCH - SEVERE THUNDERSTORM

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain. Hazards: Torrential downpours. Local rainfall amounts in excess of 50 mm. Wind gusts of 90 to 110 km/h. Quarter to ping pong ball size hail. Timing: Late this morning through early this evening. Additional information: The main hazards will be heavy rainfall and damaging wind gusts. Local rainfall amounts in excess of 50 mm may occur for areas that receive multiple thunderstorms. The greatest likelihood for damaging wind gusts is expected to be over southwestern Ontario. A few instances of large hail are possible. Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches. Heavy rain can cause flash flooding and significant reductions to visibility. 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. For more information: ontario.ca/page/be-prepared-emergency.

In effect for:

  • London - Parkhill - Eastern Middlesex County
Follow:Regional ATOM feedRegional ATOM

Current ConditionsObserved at: London Int'l Airport

Mist

Mist

26°C

Wind:
SSW 20 km/h
Humidex:
35
More details
Temperature:
25.6°C
Pressure:
100.0 kPa
Dew point:
21.9°C
Visibility:
10 km
Humidity:
80%
Date:
Observed at:
London Int'l Airport
Past 24 hour Conditions
Weather Radar
Satellite
Lightning
Alerts
Jet Stream
Thunderstorm Outlooks
Hourly Forecast
Air Quality

ForecastForecast issued:

YELLOW WATCH - SEVERE THUNDERSTORM

Impact Level: Moderate

Forecast Confidence: High

Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain. Hazards: Torrential downpours. Local rainfall amounts in excess of 50 mm. Wind gusts of 90 to 110 km/h. Quarter to ping pong ball size hail. Timing: Late this morning through early this evening. Additional information: The main hazards will be heavy rainfall and damaging wind gusts. Local rainfall amounts in excess of 50 mm may occur for areas that receive multiple thunderstorms. The greatest likelihood for damaging wind gusts is expected to be over southwestern Ontario. A few instances of large hail are possible. Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches. Heavy rain can cause flash flooding and significant reductions to visibility. 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. For more information: ontario.ca/page/be-prepared-emergency.

In effect for:

  • London - Parkhill - Eastern Middlesex County
Follow:Regional ATOM feedRegional ATOM

Detailed ForecastForecast issued:

Showers
Today
27°C
Mainly cloudy. 30 percent chance of showers early this afternoon. A few showers beginning this afternoon. Risk of a thunderstorm this afternoon. Hazy early this afternoon. Local amount 10 to 15 mm. Wind southwest 30 km/h gusting to 50. High 27. Humidex 35. UV index 7 or high.
Chance of showers
Tonight
15°C
A few showers ending this evening then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this evening. Wind northwest 30 km/h gusting to 50. Low 15.
Clearing
Wed, 22 Jul
21°C
Cloudy. Clearing late in the afternoon. Wind northwest 30 km/h gusting to 50. High 21. UV index 5 or moderate.
Night: Clear. Low 10.
Sunny
Thu, 23 Jul
23°C
Sunny. High 23.
Night: Clear. Low 12.
Sunny
Fri, 24 Jul
26°C
Sunny. High 26.
Night: Cloudy periods. Low 15.
Chance of showers
Sat, 25 Jul
28°C
A mix of sun and cloud with 30 percent chance of showers. High 28.
Night: Cloudy with 30 percent chance of showers. Low 19.
Chance of showers
Sun, 26 Jul
29°C
Cloudy with 40 percent chance of showers. High 29.
Night: Cloudy periods with 40 percent chance of showers. Low 15.
Chance of showers
Mon, 27 Jul
25°C
A mix of sun and cloud with 30 percent chance of showers. High 25.
Normals:
Max26°C.Min16°C.
Sunrise:
6:05 EDT
Sunset:
20:59 EDT

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