7-Day Forecast Summary
7-Day Detailed Weather Forecast for Ottumwa
Overnight |
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Temperature: 60°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly clear. Low around 60, with temperatures rising to around 63 overnight. South wind around 6 mph. |
Saturday |
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Temperature: 85°F Wind Speed: 7 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and thunderstorms likely. Partly sunny. High near 85, with temperatures falling to around 80 in the afternoon. South southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Saturday Night |
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Temperature: 57°F Wind Speed: 9 mph Wind Direction: N Forecast: Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 57. North wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
Sunday |
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Temperature: 73°F Wind Speed: 8 to 14 mph Wind Direction: NW Forecast: Sunny, with a high near 73. Northwest wind 8 to 14 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible. |
Sunday Night |
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Temperature: 52°F Wind Speed: 3 to 10 mph Wind Direction: WNW Forecast: Mostly clear, with a low around 52. West northwest wind 3 to 10 mph, with gusts as high as 20 mph. |
Monday |
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Temperature: 77°F Wind Speed: 5 to 9 mph Wind Direction: WNW Forecast: Sunny, with a high near 77. |
Monday Night |
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Temperature: 57°F Wind Speed: 5 to 9 mph Wind Direction: WSW Forecast: Mostly clear, with a low around 57. |
Tuesday |
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Temperature: 80°F Wind Speed: 10 to 14 mph Wind Direction: WSW Forecast: A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%. |
Tuesday Night |
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Temperature: 59°F Wind Speed: 3 to 12 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. |
Wednesday |
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Temperature: 83°F Wind Speed: 8 to 15 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 70%. |
Wednesday Night |
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Temperature: 61°F Wind Speed: 8 to 15 mph Wind Direction: WSW Forecast: Showers and thunderstorms likely. Partly cloudy, with a low around 61. Chance of precipitation is 70%. |
Thursday |
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Temperature: 80°F Wind Speed: 10 mph Wind Direction: NW Forecast: A slight chance of rain showers before 1pm. Mostly sunny, with a high near 80. |
Thursday Night |
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Temperature: 58°F Wind Speed: 2 to 7 mph Wind Direction: WNW Forecast: A slight chance of rain showers after 1am. Mostly clear, with a low around 58. |
Juneteenth |
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Temperature: 84°F Wind Speed: 3 to 8 mph Wind Direction: WSW Forecast: A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 84. |

