Keep an eye on this weather

Why listen to me, when you can read this gem from environment Canada:

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A juicy low pressure system laden with tropical moisture is heading towards Eastern Ontario from the southeastern states. It will bring a large shield of rain and perhaps even a thunderstorm or two tonight and Tuesday. Current indications suggest a general rainfall of 40 to 50 mm across the district before rain tapers off to scattered showers by Tuesday evening. Higher amounts of 50 to 60 mm are quite possible in a few locales which receive persistent heavier rain bands or a thunderstorm. 
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Strange storm coming from a strange location (SE States)... Could blow something southern in, but could also ground high arctic migrants (White-rump Sands, Plovers, Godwits, Jaegers). 

Another thing to remember is, there is a large number of disorientated Terns and Skimmers on the east coast from the NS Hurricane. The winds on the coast aren't horribly strong, but could it be enough to get one of these "lost" birds inland? Maybe? Your odds of finding a Skimmer in ON have gone from 0.3% to 3.3%.. That's a 1000% increase! 

But even then, the centre of low pressure is forecast to pass right over the Hamilton area. All air blows into the centre of the low, possibly bringing a rarity from any direction! 

Something to keep an eye out for, at the very least. Maybe a good few days to check your local spot, just in case. 

Low pressure for everyone! yay!