There is a severe thunderstorm warning for communities from Arden to Carleton Place. Hazards include heavy rain, lightning ...

An unsettled Monday for the Ottawa area brings a threat of severe thunderstorms along with tornado potential. Environment ...

Environment Canada has issued a severe thunderstorm warning for parts of the Ottawa area. Much of the rest of eastern Ontario ...

A tornado warning has been issued for several municipalities in eastern Ontario. Shortly before 3:30 p.m. this afternoon, ...

A rainfall warning has been issued for a wide swath of the Outaouais to the north and west of Gatineau, Que., while thunderstorm watches are in place elsewhere in the region.

Environment Canada has issued a severe thunderstorm warning for Ottawa. The warning, which covers the city from Kanata to ...

Update: Severe thunderstorm warning no longer in effect for Ottawa. Environment Canada says its tracking a major thunderstorm that could bring winds of up to 90 km/h and nickel-sized hail pellets.

The sirens were used Thursday for both the possible tornados and the "destructive" severe thunderstorm warning issued by NWS for Ottawa County, which includes wind speeds of 80 miles per hour or more.

In Ottawa County, sirens will be sounded for tornado warnings, tornadoes that have been spotted without a warning, storms producing winds over 70 mph sustained or for a hazardous material situation.

Ottawa residents endured yet another day of extreme weather Thursday as more than 70 millimetres of rain fell on the city in six hours, flooding streets, stranding motorists and leaving thousands ...