The temperature is about to take a wild swing

Brace yourself for weather whiplash.
With 5 cm of snow on the ground, the forecast is for a frosty -10 C overnight Monday but will spike to 10 C Tuesday.
For Monday, Environment Canada is predicting mainly cloudy skies with a 30 per cent chance of morning flurries clearing by afternoon. While northwest winds at 20 km/h gust to 40, the mercury is expected to rise to 2 C then drop to -5 C by afternoon.
Seen AND HEARD in a snowy #Ottawa, walking after the #GreyCup #OscarPeterson #Jazz @martinshaff