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City of Sioux City, IowaSioux City, IA 7-Day Night Weather Forecast
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Sioux City, IA Weather Forecast
Sioux City, IA Weather Forecast Date: 204 AM CDT Thu Sep 17 2026
The area/counties/county of: Woodbury, including the city of Sioux City.or toggle through each period.
Today... Patchy fog this morning. Mostly cloudy. Highs in the mid 70s. North winds around 5 mph, becoming northeast around 5 mph this afternoon.
Tonight... Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. East winds 10 to 15 mph. Chance of rain 70%.
Friday... Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. A chance of thunderstorms, mainly in the morning. Warmer with highs in the mid 80s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50%.
Friday Night... Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight. Chance of rain 70%.
Saturday... Mostly cloudy. A slight chance of showers in the afternoon. Not as warm. Humid with highs in the lower 70s. Northwest winds 5 to 10 mph. Chance of rain 20%.
Saturday Night... Mostly cloudy. Lows in the upper 50s.
Sunday... Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 40%.
Sunday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s.
Monday... Mostly cloudy. A chance of showers in the morning. Highs in the lower 60s. Chance of rain 50%.
Monday Night... Mostly cloudy. Lows in the lower 50s.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s.
Tuesday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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