The best viewing chances in Eastern Canada appear to be in northeastern Ontario, much of eastern Quebec and Labrador, where a mostly cloud-free night is forecast. Some locales in southern Ontario, well away from city light pollution, may be able to spot them, too.

Eastern Canada cloud cover forecast Tuesday night

That means cottage country, the Algonquin area and Lake Huron shores, we’re looking at you.

Meanwhile in Western Canada, the best viewing may be over Edmonton to Calgary, Alta., and up to Fort McMurray. A cloud-free, but very chilly night, maybe even frost for some areas along the foothills in Alberta. You may need to wear some extra layers.

Regions in Yellowknife, N.W.T., and south, as well as northern Saskatchewan and Manitoba, also have a pretty good chance. However, wildfire smoke in the region could work against you, obscuring the view of the sky.

Western Canada cloud cover forecast July 22-23

No major disruptions to satellite and communication systems or power grids are expected, but it could lead to some issues, which are mitigable, including more frequent and longer periods of degradation of global positioning system (GPS) degradation.

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With files from Rachel Modestino, a meteorologist at The Weather Network, and Nathan Howes, a digital journalist at The Weather Network.