Weather WorldIsland School, SD 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Island School, SD Weather Forecast
Island School, SD Weather Forecast Date: 734 PM CDT Sun Oct 25 2026
The area/counties/county of: Union, including the cities of: North Sioux City, Beresford, Elk Point, Alcester, and Jefferson.or toggle through each period.
Tonight... Cloudy. A slight chance of showers this evening, then showers after midnight. Lows in the lower 40s. Northeast winds 10 to 15 mph. Chance of rain 90%.
Monday... Showers. Highs in the mid 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100%.
Monday Night... Cloudy. Showers likely, mainly in the evening. Lows in the mid 40s. East winds 10 to 15 mph, becoming southwest after midnight. Chance of rain 70%.
Tuesday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 60s. West winds 5 to 10 mph with gusts up to 20 mph, becoming south in the afternoon.
Tuesday Night... Mostly cloudy. A slight chance of showers in the evening. Lows in the upper 40s. South winds 5 to 10 mph. Chance of rain 20%.
Wednesday... Partly sunny with a 20% chance of showers. Highs around 70.
Wednesday Night... Partly cloudy. Lows in the mid 40s.
Thursday... Mostly sunny. Highs in the upper 60s.
Thursday Night... Mostly cloudy. Lows around 50.
Friday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40%.
Friday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 60%.
Saturday... Showers likely. Highs in the mid 60s. Chance of rain 70%.
Saturday Night... Mostly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 30%.
POP = Probability of Precipitation
Island School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...