Thanks very much to reader Jon Fisher who sent us the following screengrab relating to the weather in his home town of Manhattan, Kansas. Locals should be certain to wrap up warm before venturing from the house:

Chillingly, this forecast by AccuWeather.com (http://home.accuweather.com/index.asp?partner=accuweather) classifies -5572°C as "Moderate" on its Cold Index, leading us to suspect that a really cold snap may be imminent. Considers yourselves warned. ®

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