Sioux Falls, SD – Fields and windshields across eastern South Dakota glistened under a light frost early Friday, a clear sign that late fall has arrived. Temperatures dipped into the mid-30s before sunrise, offering that familiar bite of seasonal change as residents warmed their cars and morning coffee alike.
According to the National Weather Service in Sioux Falls, Friday stays sunny and calm, topping out near 63°F before clouds move in late. A shift toward milder air begins Saturday, but the tradeoff comes with increasing cloud cover and a slight rain chance developing Sunday afternoon.
Saturday’s highs hover near 60°F with light south winds, but by Sunday, that southerly flow strengthens. Forecasters expect scattered showers to develop by afternoon, becoming more likely Sunday night into Monday. A few light downpours could move through before tapering Tuesday, leaving behind a cooler and drier pattern midweek.
Though no snow is in the immediate picture, the air pattern is starting to tilt more “November” than “October.” Cooler nights early next week could dip near freezing in outlying areas, hinting that frost season may be sticking around.
For now, the weekend offers a mix of fall calm and subtle change — bright leaves under gray skies, warm afternoons giving way to crisp evenings. Looking ahead, Halloween week appears mostly dry and cool, setting the stage for classic trick-or-treat weather: jackets, porch lights, and a chill in the air that says winter isn’t far behind.
