Expires:202605152000;;599463 FPUS53 KFSD 151250 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 749 AM CDT Fri May 15 2026 IAZ031-152000- Woodbury- Including the city of Sioux City 749 AM CDT Fri May 15 2026 .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 50s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 50 percent. .SATURDAY...Partly sunny in the morning, then mostly cloudy with a chance of thunderstorms with a slight chance of showers in the afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the upper 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .SUNDAY...Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Breezy with highs around 90. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent. .SUNDAY NIGHT...A chance of thunderstorms. Showers, breezy with lows in the upper 50s. Chance of rain 90 percent. .MONDAY...Mostly cloudy in the morning. A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. Highs in the lower 80s. Chance of rain 80 percent. .MONDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 40s. Chance of rain 70 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly sunny. Much cooler with highs in the lower 60s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .WEDNESDAY...Mostly sunny. Highs in the mid 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. $$