The Denver metro area and nearly all of Colorado is preparing for a deep freeze over the Martin Luther King Jr. Day weekend.
A low-pressure system is bringing an arctic blast of cold air southward from Canada and the effects of the storm will be felt for four days, including the entirety of the holiday weekend.
Colorado weather forecasters initially predicted low temperatures over the three-day weekend to range from -10 to -20, but those numbers have been dialed back some, according to the National Weather Service in Boulder. However, sub-zero temperatures each night are still forecast, and highs won’t climb out of the teens.
The NWS forecast for Friday afternoon has the arctic air mass making its way southward from Wyoming, bringing a 10-15 degree drop in temperatures over a one- to two-hour period. Accompanying the dramatic drop in temperatures will be snow, with showers developing around 4 p.m. in the north metro area. Accumulations of between 2-4 inches are forecast…