Illinois Freeze Warning | Effective 04/18/2026 23:28

Headline: 
Freeze Warning issued April 19 at 1:28AM CDT until April 20 at 8:00AM CDT by NWS Lincoln IL
Event: 
Freeze Warning
Urgency: 
Expected
Effective: 
April 18, 2026 - 11:28pm
Expires: 
April 19, 2026 - 6:00am
Description: 
* WHAT...For the Frost Advisory, temperatures as low as 34 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 30 to 32 expected. * WHERE...Portions of central, east central, and west central Illinois. * WHEN...For the Frost Advisory, until 8 AM CDT this morning. For the Freeze Warning, from 1 AM to 8 AM CDT Monday. * IMPACTS...Frost and freeze conditions could damage or kill sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Instruction: 
Take steps now to protect tender plants from the cold.
Area Description: 
Knox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; McLean; Mason; Logan; De Witt; Piatt; Champaign; Vermilion
Forcast Office: 
NWS Lincoln IL