St. Louis, MO – Residents in Illinois and Missouri can expect a sharp turn in weather this weekend as a wintry mix is forecast to bring snow, freezing rain, and icy conditions starting Saturday night. The National Weather Service predicts temperatures will drop into the mid-20s, creating hazardous road conditions, particularly near I-55 and other major thoroughfares.
According to the National Weather Service, the wintry mix is likely to begin late Saturday, with snow, sleet, and freezing rain persisting into Sunday morning. Saturday night’s low is projected to reach 24°F, with icy roads expected during the early hours of Sunday. Sunday will bring continued precipitation, with near-freezing temperatures making travel dangerous.
Friday will remain partly sunny with a high of 34°F but will be noticeably colder than earlier in the week. Saturday is expected to be partly sunny as well, with a high of 31°F before the wintry mix sets in during the evening. Monday could see some lingering snow but clearing skies by noon, with a high of 23°F.
Residents are advised to stock up on essential supplies, plan ahead for limited travel, and monitor local forecasts for updates. Travelers should exercise caution on bridges and overpasses, as they will freeze first. Emergency services recommend staying off the roads Sunday morning unless necessary.
Temperatures will remain cold into early next week, with lows dipping into single digits Monday and Tuesday nights. Sunshine is forecast for midweek, but highs will stay in the teens.
Be sure to prepare for delays and check updates at weather.gov for the latest developments.