Ottawa is under a severe thunderstorm watch that remains in effect through Monday evening, with Environment Canada warning that unstable weather will continue to move through the region well into the night.
What's Happening
According to Environment Canada, "thunderstorms will continue to affect the area into this evening." The watch covers Ottawa and the surrounding region, meaning conditions are favourable for storms capable of producing heavy rain, frequent lightning, strong wind gusts, and in some cases small hail. A watch doesn't guarantee severe weather will hit every neighbourhood, but it's a signal that the atmosphere is primed for it — so residents should keep an eye on the sky and check for updates as the evening progresses.
Why It Matters for Ottawa
Summer storm season is nothing new for the capital, but sudden severe thunderstorms can still catch people off guard, especially if they're out enjoying a patio, walking along the Rideau Canal, or heading home from work during rush hour. Flash flooding on low-lying streets, downed tree limbs in older neighbourhoods like the Glebe and Westboro, and brief power flickers are all common side effects when a strong cell rolls through the city. Drivers should be extra cautious on routes prone to pooling water, and anyone with outdoor plans this evening — a patio dinner, a walk on the canal pathways, or an outdoor event — should have a backup plan ready.
Staying Safe Tonight
Environment Canada's standard guidance applies here: if you hear thunder, head indoors. Lightning can strike well ahead of the main storm cell, so it's not worth waiting until the rain starts to seek shelter. Once inside, it's a good idea to unplug sensitive electronics, avoid using corded phones, and steer clear of windows during the height of the storm. Pet owners should also plan to bring animals inside early, since thunder and sudden wind gusts can spook dogs and cats that are used to being outside in the evening.
If you're driving during the watch, slow down and increase following distance, since sudden downpours can dramatically reduce visibility on highways like the 417 and local arterial roads. Pooling water at underpasses and low-lying intersections has caused problems for Ottawa drivers in past storms, so it's worth avoiding those routes if an alternate path is available.
What to Watch For
Environment Canada watches can be upgraded to warnings if storms strengthen or become more organized, so Ottawa residents should keep notifications on for weather alerts through the evening. Conditions can change quickly this time of year, with cells building rapidly on hot, humid afternoons before moving through the region in the evening hours.
As always, the safest approach during any severe thunderstorm watch is to treat it seriously: keep phones charged, have a flashlight handy in case of a brief outage, and avoid unnecessary travel if storms are actively moving through your part of the city.
Source: Ottawa Citizen
