One product issued by NWS for: Saint Louis MO
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service St Louis MO 229 PM CST Sun Jan 18 2026 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-192030- Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO- Madison MO-Reynolds MO- 229 PM CST Sun Jan 18 2026 This Hazardous Weather Outlook is for portions of eastern and central Missouri as well as west central and southwest Illinois. .DAY ONE...Tonight. A Cold Weather Advisory will go into effect at 3AM for portions of northeast Missouri through west-central Illinois. Wind chill values as low as 15 degrees below zero are expected in and around the advisory. .DAYS TWO THROUGH SEVEN...Monday through Saturday. A Cold Weather Advisory will be in effect through 10AM for portions of northeast Missouri through west-central Illinois. Wind chill values as low as 15 degrees below zero are expected in and around the advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$ Maples