Expires:202405050500;;628781 FPUS53 KFSD 042129 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 428 PM CDT Sat May 4 2024 SDZ071-050500- Union- Including the cities of North Sioux City, Beresford, Elk Point, Alcester, and Jefferson 428 PM CDT Sat May 4 2024 .TONIGHT...Clear. Lows around 40. Northwest winds 5 to 10 mph, becoming south after midnight. .SUNDAY...Sunny. Highs in the upper 60s. Southeast winds 5 to 10 mph, increasing to 15 to 20 mph in the afternoon. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows around 50. Southeast winds 10 to 15 mph. Gusts up to 30 mph after midnight. .MONDAY...Mostly cloudy. A slight chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Windy with highs in the lower 70s. Southeast winds 15 to 25 mph, increasing to 25 to 30 mph in the afternoon. Gusts up to 50 mph. Chance of rain 80 percent. .MONDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Breezy with lows in the upper 40s. South winds 15 to 25 mph with gusts up to 40 mph, diminishing to 10 to 15 mph after midnight. Chance of rain 70 percent. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .THURSDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s. .FRIDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Sunny. Highs around 70. $$