“Frost Advisory until 08:00AM Thursday” from Jefferson County : Nixle

Wednesday October 22nd, 2025 :: 02:26 a.m. CDT

Advisory

Frost Advisory until 08:00AM Thursday

* WHAT...Temperatures as low as 36 will result in frost formation, mainly in sheltered valley locations. More widespread frost is expected Friday morning.

* WHERE...Portions of southern Illinois and southwest Indiana.

* WHEN...From 3 AM CDT /4 AM EDT/ to 8 AM CDT /9 AM EDT/ Thursday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* AFFECTED AREAS: JEFFERSON ... WAYNE ... EDWARDS ... WABASH ... HAMILTON ... WHITE ... GIBSON ... PIKE ... POSEY ... VANDERBURGH ... WARRICK ... SPENCER

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:: Minor - Minimal to no known threat to life or property
Urgency:: Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:: Likely (p > ~50%)
Category:: Meteorological (inc. flood)
Event:: Frost Advisory

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