St. Louis, MO – An expanded Frost Advisory is affecting more communities across eastern Missouri and west-central Illinois early Sunday, Oct. 18, as chilly overnight conditions increase the potential for frost and damage to sensitive outdoor vegetation.
According to the National Weather Service in St. Louis, the advisory was expanded late Saturday evening to include additional portions of both states ahead of Sunday morning’s coldest temperatures.
The updated advisory map, issued at 10:40 p.m. Saturday, Oct. 17, shows widespread coverage across the greater St. Louis region and surrounding communities…