Sioux Falls, S.D. – Showers and isolated thunderstorms could disrupt travel across South Dakota, Iowa, and southwestern Minnesota Sunday evening, with storm chances continuing into Monday night. Drivers may also face areas of patchy dense fog Sunday morning, reducing visibility on rural highways.
According to the National Weather Service in Sioux Falls, isolated storms may develop late Sunday afternoon, bringing brief heavy rain, gusty winds, and lightning. Chances of showers increase Monday, with storm potential rising to nearly 45% by evening. While the risk of severe weather remains low, forecasters warn that any thunderstorm could bring sudden changes to driving conditions.
Temperatures will stay warm through the start of the week, reaching highs near 80 degrees Sunday and the upper 70s on Monday. Cooler, drier air will settle into the region by midweek, offering relief after the unsettled stretch.
Residents are urged to monitor weather updates, avoid unnecessary travel during evening storms, and allow extra time on the roads if fog develops Sunday morning.
Warnings may be extended into Monday night as the system moves east.
Five Day Forecast for Sioux Falls, S.D.
- Tonight: Mostly cloudy, low 52–56
- Sunday: Partly sunny, evening storms (30–40%), high 80, low 55–59
- Monday: Mostly sunny, evening storms (35–45%), high 76–82, low 58–64
- Tuesday: Partly sunny, scattered showers (20%), high 70–75, low 53–55
- Wednesday: Mostly sunny, high 72–74, low 51–53
