(FOX 2) - All of the lower peninsula in Michigan is under a wind chill advisory until noon on Monday, Martin Luther King Jr. Day.
Some schools and businesses already had the day off for the holiday, but dozens of closings also poured in Sunday evening as the temps kept dangerously dropping.
The Tour Detroit, an annual bike ride on Martin Luther King Jr. Day, has been canceled. The Ford Winter Festival at Michigan Central Station was canceled on Sunday. The Winter Blast festival in Campus Martius is still on today, though. If you're heading outside, wear several layers and limit exposed skin.
What the advisory means is that windchill values will run as low as 20 or 25 degrees below zero. When you feel that cold on the exposed skin, frostbite can set in in under 30 minutes.
Temperatures for all of southeast Michigan were in the negative digits waking up Monday morning. The metro area saw temps around -4, while areas more west such as Lansing and Jackson had negative digits in the teens.
Skies will be clear Monday and we'll see a bit of sunshine.
Meanwhile, many recrational centers across Detroit are serving as warming centers. You can get a list of locations here.
Warmer temps are on the way. By Wednesday we'll be back into the mid to upper 30s but with a cool down coming again next weekend, when temps are expected to be back in the teens.