Illinois, Indiana Freeze Warning | Effective 04/19/2026 12:40
Public safety alert, emergency alert, and weather alert
Description:
* WHAT...Sub-freezing temperatures as low as 27 expected, with the
coldest conditions across interior northern Illinois.
* WHERE...Portions of central, east central, north central, and
northeast Illinois and northwest Indiana.
* WHEN...From midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM
EDT/ Monday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.