Cold Weather Advisory

Locations Affected

Saint Louis, MO ∙ O'Fallon, MO ∙ Saint Charles, MO ∙ Saint Peters, MO ∙ Florissant, MO ∙ Rockbridge, IL ∙ Dorchester, IL ∙ Marissa, IL ∙ Canton, MO ∙ Old Ripley, IL

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service St Louis MO 329 AM CST Sun Dec 14 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Very cold wind chills between 10 and 20 below expected. * WHERE...In Illinois, Clinton IL, Washington IL, Monroe IL, Randolph IL, and Saint Clair IL Counties. In Missouri, Lincoln MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...Until noon CST today. * IMPACTS...The cold wind chills between 10 and 15 below zero could result in hypothermia or frostbite if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

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