Weather in Johnston, Iowa, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
Today |
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Temperature: 97°F Wind Speed: 8 mph Wind Direction: WNW Forecast: Sunny, with a high near 97. Heat index values as high as 114. West northwest wind around 8 mph. |
Tonight |
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Temperature: 72°F Wind Speed: 6 mph Wind Direction: NNW Forecast: Areas of smoke. Partly cloudy. Low around 72, with temperatures rising to around 74 overnight. Heat index values as high as 110. North northwest wind around 6 mph. |
Tuesday |
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Temperature: 88°F Wind Speed: 6 mph Wind Direction: NE Forecast: Patchy smoke before 7am. Partly sunny, with a high near 88. Northeast wind around 6 mph. |
Tuesday Night |
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Temperature: 68°F Wind Speed: 1 to 5 mph Wind Direction: ESE Forecast: Mostly clear, with a low around 68. East southeast wind 1 to 5 mph. |
Wednesday |
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Temperature: 90°F Wind Speed: 1 to 5 mph Wind Direction: SE Forecast: Sunny, with a high near 90. Southeast wind 1 to 5 mph. |
Wednesday Night |
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Temperature: 69°F Wind Speed: 5 mph Wind Direction: SE Forecast: Mostly clear, with a low around 69. |
Thursday |
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Temperature: 89°F Wind Speed: 3 to 7 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 69°F Wind Speed: 6 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 70%. |
Friday |
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Temperature: 81°F Wind Speed: 3 to 8 mph Wind Direction: E Forecast: Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 70%. |
Friday Night |
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Temperature: 66°F Wind Speed: 3 to 8 mph Wind Direction: NNE Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. |
Saturday |
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Temperature: 83°F Wind Speed: 3 to 7 mph Wind Direction: N Forecast: Mostly sunny, with a high near 83. |
Saturday Night |
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Temperature: 65°F Wind Speed: 1 to 7 mph Wind Direction: NNW Forecast: Mostly clear, with a low around 65. |
Sunday |
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Temperature: 85°F Wind Speed: 1 to 5 mph Wind Direction: NNE Forecast: Sunny, with a high near 85. |
Sunday Night |
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Temperature: 66°F Wind Speed: 5 mph Wind Direction: SE Forecast: Mostly clear, with a low around 66. |