Active Weather Alerts
Frost Advisory
Issued: 8:34 AM Oct. 18, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 32 to 35 will result in frost formation early this morning. * WHERE...Portions of central, east central, and southeast Illinois. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be damaged or killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Protect tender plants from the frost until 9 am this morning. &&
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