Weather Alerts For Litchfield, IL

# HEADLINE -------------------- FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY # DETAILS -------------------- WHAT Temperatures as low as 35 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. ISSUED AT Saturday, October 17, 2026 at 1:50 PM CDT ISSUED BY National Weather Service St Louis MO HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Jefferson MO, Bond IL, Clinton IL, Crawford MO, Fayette IL, Franklin MO, Iron MO, Madison IL, Madison MO, Marion IL, Monroe IL, Montgomery IL, Randolph IL, Reynolds MO, Saint Clair IL, Saint Francois MO, Sainte Genevieve MO, Washington IL, Washington MO Including the cities of Union, Alton, Litchfield, Salem, Sparta, Edwardsville, Farmington, Sullivan, Belleville, Chester, Cahokia, Vandalia, Washington, and Centralia