Category: Weather Alerts

A severe thunderstorm watch is in effect for Brockville – Leeds-Grenville, Smiths Falls – Lanark, Morrisburg – SD&G, Ottawa and Kingston Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts, large hail and heavy rain. Severe thunderstorms are possible late this afternoon into early this evening with wind gusts near 100... Read More

Severe Thunderstorm Warning – Merrickville-Kemptville, Morrisburg-SD&G  Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts and large hail. Hazards: Damaging wind gusts to 100 km/h and up to nickel sized hail. Timing: This afternoon into this evening. Locations: Portions of Eastern Ontario including Ottawa, Cornwall, Brockville and Smiths Falls. Large hail... Read More

Heat event to begin Saturday and end by Tuesday. Temperatures are expected to approach or meet heat warning criteria Saturday with highs of 30 or 31 degrees and lows early Sunday near 20 or 21 degrees. Sunday will feel particularly hot with highs in the low thirties and humidex values exceeding 40. Humidex values near 40 are forecast for Monday.... Read More

Heat Warning in effect for: Brockville, Leeds-Grenville, Smiths Falls, Lanark, Morrisburg, SD&G, Kingston & Ottawa. A hot and increasingly humid air mass will begin to affect eastern Ontario today and last through at least Sunday. Cooler and less humid conditions may arrive on Monday. Daytime high temperatures: 31 to 34 degrees Celsius Overnight low temperatures: 20 to 23 degrees Celsius... Read More