7-Day Forecast Summary
7-Day Detailed Weather Forecast for Sioux City
Tonight |
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Temperature: 66°F Wind Speed: 5 to 10 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms before 8pm. Mostly cloudy. Low around 66, with temperatures rising to around 70 overnight. Southeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible. |
Monday |
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Temperature: 92°F Wind Speed: 5 mph Wind Direction: S Forecast: Mostly sunny, with a high near 92. South wind around 5 mph. |
Monday Night |
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Temperature: 68°F Wind Speed: 5 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms between 8pm and 3am, then a chance of showers and thunderstorms between 3am and 4am. Partly cloudy. Low around 68, with temperatures rising to around 73 overnight. South southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Tuesday |
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Temperature: 95°F Wind Speed: 5 to 15 mph Wind Direction: SSE Forecast: Mostly sunny, with a high near 95. Heat index values as high as 103. South southeast wind 5 to 15 mph, with gusts as high as 30 mph. |
Tuesday Night |
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Temperature: 72°F Wind Speed: 15 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 7pm. Partly cloudy. Low around 72, with temperatures rising to around 76 overnight. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. |
Wednesday |
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Temperature: 95°F Wind Speed: 15 to 20 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 1pm. Sunny, with a high near 95. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. |
Wednesday Night |
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Temperature: 62°F Wind Speed: 5 to 15 mph Wind Direction: WNW Forecast: A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly clear, with a low around 62. Chance of precipitation is 40%. |
Thursday |
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Temperature: 85°F Wind Speed: 5 to 15 mph Wind Direction: WNW Forecast: A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 85. Chance of precipitation is 40%. |
Thursday Night |
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Temperature: 60°F Wind Speed: 5 to 15 mph Wind Direction: W Forecast: Mostly clear, with a low around 60. |
Friday |
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Temperature: 89°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. |
Friday Night |
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Temperature: 63°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms. Mostly clear, with a low around 63. |
Saturday |
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Temperature: 86°F Wind Speed: 5 to 10 mph Wind Direction: WNW Forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. |
Saturday Night |
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Temperature: 58°F Wind Speed: 5 to 10 mph Wind Direction: N Forecast: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%. |
Sunday |
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Temperature: 80°F Wind Speed: 5 to 10 mph Wind Direction: NNW Forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. |

