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Jefferson County
Friday November 6th, 2026 :: 12:11 a.m. CST

Advisory

Freeze Watch until 08:00AM Sunday

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 29 possible.

* WHERE...Portions of the Ozark Foothills of southeast Missouri and south and southwest Illinois.

* WHEN...For the Freeze Warning, from 11 PM this evening to 8 AM CST Saturday. For the Freeze Watch, from Saturday evening through Sunday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* ADDITIONAL DETAILS...The hard freezes will bring the growing season to an end.

* AFFECTED AREAS: JEFFERSON ... WAYNE ... PERRY ... FRANKLIN ... HAMILTON ... JACKSON ... WILLIAMSON ... SALINE ... UNION ... PERRY ... BOLLINGER ... CAPE GIRARDEAU ... WAYNE ... CARTER ... RIPLEY ... BUTLER ... STODDARD

Instructions:

Take steps now to protect tender plants from the cold.

Address/Location
Jefferson County
100 S 10th St
Mount Vernon, IL 62864

Contact
Emergency: 9-1-1
Non-emergencies: 618-244-8000

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Future - Responsive action SHOULD be taken in the near future
Certainty:
Possible (p <= ~50%)
Category:
Meteorological (inc. flood)
Event:
Freeze Watch

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