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Sioux County, IA 7-Day Night Weather Forecast
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Sioux County, IA Weather Forecast
Sioux County, IA Weather Forecast Date: 849 AM CDT Thu Sep 17 2026
The area/counties/county of: Sioux, including the cities of: Sioux Center, Orange City, Rock Valley, Hawarden, and Hull.or toggle through each period.
Rest of Today... Mostly cloudy early this morning, then becoming partly sunny. Patchy fog early this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.
Tonight... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. East winds 10 to 15 mph. Chance of rain 90%.
Friday... Cloudy with a chance of showers and thunderstorms in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southeast winds 15 to 20 mph. Chance of rain 50%.
Friday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of rain 50%.
Saturday... Mostly cloudy with a 20% chance of showers. Not as warm. Humid with highs around 70. North winds 5 to 10 mph.
Saturday Night... Mostly cloudy. Lows in the mid 50s.
Sunday... Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 40%.
Sunday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 60%.
Monday... Mostly cloudy. Showers likely, mainly in the morning. Highs around 60. Chance of rain 60%.
Monday Night... Mostly cloudy. Lows in the upper 40s.
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
Sioux County Radar Loop
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