Environment Canada is warning a low pressure area brewing in the Southern Plains States will bring “significant precipitation” to London and surrounding areas as early as Tuesday.
A special weather statement issued by the national weather agency on Sunday covers London, Parkhill, Strathroy, Komoka, and Eastern and Western Middlesex Counties.
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The weather service suggests freezing rain is possible Tuesday, before changing over to soaking rain as considerably milder air pays a brief visit.
Poor travelling conditions are expected, especially in areas that receive freezing precipitation.