Brace yourself for wind chills as low as 40 below

Above: A map of forecasted wind chill temperatures on Wednesday night, via Hudson Valley Weather

The wind chill on Wednesday night is going to be brutal, according to the National Weather Service, which has issued wind chill warnings for Delaware, Greene, Schoharie and Ulster counties in the Catskills from 5 p.m. on Wednesday, Jan. 7 to 10 a.m. Thursday, Jan. 8. 

The NWS says that high winds and temperatures in the single digits will combine to drive the wind chill as low as negative 40 degrees in some places. That kind of cold can cause frostbite in 15 minutes, the agency warns

The Wind Chill Will Be Cold Enough To Cause frostbite In About 15 Minutes Or Less...And Could Lead To hypothermia If Proper Precautions Are Not Taken. If You Must Go outside...Remember That Several Layers Of Clothing Will Keep You warmer Than A Single Heavy Coat. It Is Very Important To Coverall Exposed Flesh To Protect Yourself From Frostbite