A portion of Highway 15 in Sibley County remains closed to all traffic this (MON) morning following a fatal crash a mile south of Winthrop. The closure is between Sibley County Roads 8 and 25 on Highway 15, and a detour was put into place. The fatal crash occurred at just after 6am, and involved 2 vehicles, but no other information has been released. Rain falling across the area began freezing this morning, causing several crashes. There was a semi trailer that jack-knifed on Highway 19 just west of Vesta and a crash on Highway 169 near Highway 14 in Mankato also this morning.