A report from the National Weather Service was issued on Thursday at 1:43 a.m. EST for dense fog until 9 a.m. EST for Mason, Lake, Osceola, Clare, Oceana, Newaygo, Mecosta, Isabella, Muskegon, Montcalm and Gratiot counties.
“Drizzle and patchy dense fog continue to develop across lower Michigan this morning. Near and north of M46, road and air temperatures below freezing will support the potential for areas of slick conditions on area roadways. Visibilities may also drop to one quarter mile or less at times in dense fog. Temperatures will warm above freezing by 10am Thursday morning. Be prepared for changing visibilities over short distances and slick spots on area roadways,” according to the weather service…