Temperatures would drop from the forties into the single digits overnight, and high winds would drive the windchill well below zero, the service advised.

NPR: Excerpt: 'Dog Days'

These blocks can be used to make a roof or a windbreak, which cuts windchill (and don't bury yourself, you'll need a ventilation hole).

WSJ: Sam Sheridan's Apocalypse Tips, Antibiotics to Zombies

Near the top of the lift the windchill made it feel very cold and I wouldn't have wanted to be sitting there for any length of time.

BBC: Five children injured after ski-lift derails at the Lecht

And that was without windchill.

NEWYORKER: Tenth of December