Metcheck predicts a temperature for the weather and then it calculates a “feels like” temperature.  This takes into consideration the humidity, wind chill, etc.  Looks like its predicting Monday morning to be a cold one.

wind-chill-factor

So wrap up warm.  And stay indoors, in bed, stuffed with high energy food,  with the heating on, the fire lit, and every blanket or scrap of cloth you own wrapped around yourself.