7-Day Forecast Summary
7-Day Detailed Weather Forecast for Sioux City
Overnight |
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Temperature: 62°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: Mostly clear. Low around 62, with temperatures rising to around 65 overnight. South southeast wind 5 to 10 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible. |
Saturday |
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Temperature: 78°F Wind Speed: 5 to 15 mph Wind Direction: N Forecast: A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 9am, then a chance of showers and thunderstorms between 9am and 4pm. Mostly sunny, with a high near 78. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Saturday Night |
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Temperature: 52°F Wind Speed: 5 to 15 mph Wind Direction: NNW Forecast: Mostly clear, with a low around 52. North northwest wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 75°F Wind Speed: 10 mph Wind Direction: NW Forecast: Sunny, with a high near 75. Northwest wind around 10 mph, with gusts as high as 25 mph. |
Sunday Night |
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Temperature: 50°F Wind Speed: 0 to 10 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 50. Northwest wind 0 to 10 mph. |
Monday |
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Temperature: 81°F Wind Speed: 0 to 10 mph Wind Direction: WNW Forecast: Sunny, with a high near 81. West northwest wind 0 to 10 mph. |
Monday Night |
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Temperature: 55°F Wind Speed: 5 to 10 mph Wind Direction: WSW Forecast: Partly cloudy, with a low around 55. |
Tuesday |
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Temperature: 83°F Wind Speed: 5 to 10 mph Wind Direction: WNW Forecast: Mostly sunny, with a high near 83. |
Tuesday Night |
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Temperature: 59°F Wind Speed: 5 to 10 mph Wind Direction: WSW Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. |
Wednesday |
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Temperature: 85°F Wind Speed: 5 to 15 mph Wind Direction: WSW Forecast: A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%. |
Wednesday Night |
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Temperature: 56°F Wind Speed: 5 to 15 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 56. Chance of precipitation is 30%. |
Thursday |
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Temperature: 84°F Wind Speed: 5 to 10 mph Wind Direction: NW Forecast: Sunny, with a high near 84. |
Thursday Night |
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Temperature: 57°F Wind Speed: 0 to 10 mph Wind Direction: ENE Forecast: Mostly clear, with a low around 57. |
Juneteenth |
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Temperature: 87°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 87. |

