Active Weather Alerts
Frost Advisory
Issued: 2:02 PM Oct. 17, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of south central and southwest Illinois and east central and southeast Missouri. * WHEN...From 1 AM to 9 AM CDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
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