# HEADLINE
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FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SATURDAY
# DETAILS
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WHAT
Sub-freezing temperatures as low as 28 expected.
WHERE
Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri.
WHEN
From midnight tonight to 8 AM CST Saturday.
IMPACTS
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
ISSUED AT
Friday, November 6, 2026 at 12:31 PM CST
ISSUED BY
National Weather Service St Louis MO
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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Take steps now to protect tender plants from the cold.
# AREAS AFFECTED
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Audrain MO, Calhoun IL, Lewis MO, Lincoln MO, Madison MO, Marion IL, Saint Louis MO, Washington MO, Adams IL, Bond IL, Boone MO, Brown IL, Callaway MO, Clinton IL, Cole MO, Crawford MO, Fayette IL, Franklin MO, Gasconade MO, Greene IL, Iron MO, Jefferson MO, Jersey IL, Knox MO, Macoupin IL, Madison IL, Marion MO, Moniteau MO, Monroe IL, Monroe MO, Montgomery IL, Montgomery MO, Osage MO, Pike IL, Pike MO, Ralls MO, Randolph IL, Reynolds MO, Saint Charles MO, Saint Clair IL, Saint Francois MO, Saint Louis City MO, Sainte Genevieve MO, Shelby MO, Warren MO, Washington IL
Including the cities of Farmington, Saint Louis, Saint Charles, Union, Vandalia, Fulton, Cahokia, Alton, Hannibal, Sparta, Pittsfield, Bowling Green, Mexico, Edwardsville, Belleville, Washington, Chester, Jefferson City, Salem, Columbia, Mount Sterling, Litchfield, Quincy, Centralia, and Sullivan