A Freeze Warning has been issued from 3am until 9am Tuesday morning for the following counties in Iowa, Buchanan, Delaware, Dubuque, Benton, Linn, Jones, Jackson and Jo Daviess County in NW Illinois (across from Dubuque).

A Frost Advisory has been issued from 3am until 9am Tuesday morning for the following counties in Iowa, Muscatine, Scott, Keokuk, Washington, Louisa, Jefferson, Henry, Des Moines, Van Buren and Lee and Clark and Scotland counties in Missouri and Rock Island, Henry, Bureau, Putnam, Mercer, Henderson, Warren, Hancock, McDonough counties in Illinois.

Temperatures tonight will drop into the 20s to lower 30s and will end the growing season in areas where a hard freeze is likely. Any vegetation left uncovered tonight will die if left outdoors.