South Dakota – A biting 20-degree start hangs over Sioux Falls this morning, frost clinging to windshields as the sun rises over a quiet, frozen landscape. The air feels calm now, but change is already in motion.
According to the National Weather Service in Sioux Falls, sunshine pushes highs to 56 degrees today with west-northwest winds gusting near 20 mph. Dry air and breezy conditions are elevating fire weather concerns this afternoon across southeast South Dakota, northwest Iowa, and northeast Nebraska. Avoid outdoor burning and secure trailer chains along I-29.
Milder air builds Friday with highs near 57 degrees, but winds increase again by afternoon. By Friday night, clouds thicken and a 40 percent chance of snow develops after midnight. Little to no accumulation is expected, yet light flakes could briefly reduce visibility for early Saturday travelers.
Saturday stays colder with highs near 30 degrees. A 40 percent chance of snow lingers before noon, with less than a half inch possible. Northeast winds may gust to 20 mph, adding a brisk edge. Roads could turn slick in spots, especially if melting occurs during the day and refreezes toward Sunday morning. This is prime flash-freeze season across eastern South Dakota.
Sunday brings another 30 percent snow chance and a high near 28. By Sunday night, lows dip to 16 under mostly cloudy skies. Plan extra time if traveling and watch for icy patches on bridges.
March begins with gradual moderation. Monday reaches near 39, then 50 by Tuesday and lower 50s Wednesday. Longer-range outlooks favor above-normal temperatures into midweek and beyond, signaling early spring warmth returning to the Plains.
Five Day Outlook for Sioux Falls, South Dakota:
Today: Sunny, high 56.
Friday: Sunny and breezy, high 57.
Saturday: Chance of snow, high 30.
Sunday: Chance of snow, high 28.
Monday: Mostly cloudy, high 39.
