St. Louis, MO – Rain is set to move into southeast Missouri and southern Illinois Sunday evening, bringing a 60-90% chance of precipitation. Daytime highs Sunday reached near 62°F, but cooler temperatures are on the way for Monday.
According to the National Weather Service, light rain is expected to develop after 6 p.m., with the heaviest rainfall staying south of St. Louis. Gusty winds up to 20 mph may accompany the showers before precipitation ends by early Monday morning. Overnight lows will drop to around 47°F, creating cooler, breezy conditions to start the workweek.
Monday’s forecast calls for partly cloudy skies and a high near 56°F, with west winds ranging from 7 to 10 mph. Residents commuting early should anticipate cooler air and wet roads, particularly on major highways like Interstate 55 and Route 3 in southern Illinois.
Looking ahead, Tuesday will bring mostly sunny skies with a high near 39°F, while nighttime temperatures dip below freezing. A stronger cold front midweek will push highs into the mid-30s by Wednesday, with lows plummeting to the low 20s.
Snow chances return late next week, especially Friday night, when a 40% chance of precipitation could bring flurries to parts of the region. Residents should monitor updates for potential impacts on travel.
Stay tuned for the latest updates on changing weather conditions and prepare for colder temperatures in the days ahead.
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