Snowmobile trail groomers were out in McGregor, Minn. over the weekend, but these photos prove that despite the frigid temperatures, it's still important to be mindful of thin ice. Be careful out there.
Groomers fall through ice: VIEW SLIDESHOW
Since midnight on Sunday, the Minnesota State Patrol responded to more than 400 crashes statewide after fine snowflakes coated roads already covered by ice and sent at least 336 cars sliding off the road: http://bit.ly/1e0MB4x
Get an updated list of weather alerts in your area: http://www.myfoxtwincities.com/global/weatheralerts.asp