Sioux Falls, South Dakota – Rain returns to Sioux Falls Friday with more wet weather expected through Memorial Day, threatening outdoor plans and weekend travel across eastern South Dakota.
According to the National Weather Service, a 50% chance of showers will move into the region after 10 a.m. Friday, with mostly cloudy skies and highs near 62°F. Winds will shift south through the day, calming by evening. Showers continue Friday night with a 20% chance after midnight.
Saturday brings a brief lull in activity with a 30% chance of showers after 1 p.m. and a warmer high near 66°F. However, heavier moisture is expected Saturday night, with a 50% chance of rain likely impacting late-night events or early travel.
Sunday and Memorial Day both carry a 40% chance of showers, with highs in the mid-60s. Anyone traveling along I-29 or hosting outdoor gatherings should plan for changing conditions and prepare backup plans. Ground may remain wet into Monday morning, which could affect holiday ceremonies and parades.
Keep vehicles fueled, bring rain gear, and avoid low-lying routes prone to ponding. East winds will be light, but moisture will keep roads slick, especially in early morning and evening hours.
Looking ahead, Monday night cools to 46°F under mostly cloudy skies. Tuesday dries out slightly, with highs around 69°F and clearer skies by Wednesday, which looks sunny and warmer with highs near 73°F — a promising summer-like rebound.
Weather alerts remain possible through the weekend. Check for updated advisories before traveling or scheduling outdoor events.




