* WHAT…Sub-freezing temperatures in the upper 20s to lower 30s are
expected.
* WHERE…Portions of southern Illinois, southwest Indiana, western
Kentucky, and southeast Missouri.
* WHEN…From midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM
EDT/ Tuesday.
* IMPACTS…Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.