Union- Including the cities of North Sioux City, Beresford, Elk Point, Alcester, and Jefferson 659 AM CDT Thu Apr 25 2024 .TODAY...Partly sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Breezy with highs in the upper 60s. Southeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 30 percent. .TONIGHT...A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Breezy with lows around 50. Southeast winds 20 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent. .FRIDAY...Thunderstorms, showers, breezy with highs in the lower 60s. Southeast winds 20 to 25 mph with gusts up to 45 mph. Chance of rain near 100 percent. .FRIDAY NIGHT...Showers and thunderstorms likely in the evening. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph, becoming southwest with gusts up to 25 mph after midnight. Chance of rain 70 percent. .SATURDAY...Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 60s. West winds 10 to 15 mph, becoming northwest in the afternoon. Chance of rain 20 percent. .SATURDAY NIGHT...Showers likely with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Breezy with lows in the upper 40s. Chance of rain 80 percent. .SUNDAY...A chance of thunderstorms. Showers, breezy with highs in the upper 50s. Chance of rain 80 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 30s. Chance of rain 40 percent. .MONDAY...Partly sunny. Highs in the lower 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Sunny. Much warmer with highs in the upper 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. $$