Thunderstorm warning issued for Ottawa Saturday with gusts up to 110 km/h
Environment Canada issued a yellow alert for severe thunderstorms Saturday afternoon, warning of strong winds, quarter-sized hail and up to 50 mm of rain. A tornado risk is also in effect.
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A yellow alert for thunderstorms is in effect for Ottawa on Saturday, July 18, with conditions favourable for severe weather this afternoon and into early evening.
Environment Canada warns that thunderstorms could produce strong wind gusts up to 110 km/h, quarter-sized hail and heavy rain amounting to 30 to 50 mm. There is also a risk of a tornado.
Driving conditions may worsen and power outages could occur. Emergency Management Ontario recommends taking cover immediately if threatening weather approaches.
The facts
What wind speeds are expected in Ottawa's thunderstorm on July 18, 2026?
Environment Canada warns that thunderstorms in Ottawa on July 18, 2026 could produce strong wind gusts up to 110 km/h.
How much rain could fall during Ottawa's thunderstorm on July 18, 2026?
Ottawa could receive heavy rain amounting to 30 to 50 mm during the thunderstorm on July 18, 2026.
What other hazards are forecast for Ottawa on July 18, 2026?
In addition to wind and rain, the thunderstorm in Ottawa on July 18, 2026 could produce quarter-sized hail and there is a risk of a tornado.