It’s cold out in Chicago. And not just the usual winter cold, but record-setting cold. And when the temperature gets that low, when you mix in a little bit of wind, it can become dangerous very quickly. In an article about the weather conditions in the Midwest, the BBC included this graphic at the end.

Even the slightest bit of wind decreases the time one has before frostbite sets in. So wrap up and stay warm, everyone.
Credit for the piece goes to the BBC graphics department.