Weather in Johnston, Iowa, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnston
Tonight |
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Temperature: 7°F Wind Speed: 6 to 10 mph Wind Direction: NNW Forecast: Snow likely after 1am. Cloudy, with a low around 7. Wind chill values as low as -2. North northwest wind 6 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible. |
Saturday |
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Temperature: 10°F Wind Speed: 5 to 9 mph Wind Direction: N Forecast: Snow before 3pm. Mostly cloudy. High near 10, with temperatures falling to around 8 in the afternoon. Wind chill values as low as -4. North wind 5 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible. |
Saturday Night |
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Temperature: -8°F Wind Speed: 7 mph Wind Direction: NW Forecast: Mostly clear. Low around -8, with temperatures rising to around -6 overnight. Wind chill values as low as -19. Northwest wind around 7 mph. |
Sunday |
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Temperature: 11°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: Sunny. High near 11, with temperatures falling to around 6 in the afternoon. Wind chill values as low as -19. Southwest wind 2 to 6 mph. |
Sunday Night |
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Temperature: 1°F Wind Speed: 6 to 10 mph Wind Direction: S Forecast: Mostly clear, with a low around 1. South wind 6 to 10 mph, with gusts as high as 20 mph. |
Monday |
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Temperature: 33°F Wind Speed: 5 to 10 mph Wind Direction: WSW Forecast: Sunny, with a high near 33. |
Monday Night |
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Temperature: 16°F Wind Speed: 3 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 16. |
Tuesday |
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Temperature: 39°F Wind Speed: 2 to 7 mph Wind Direction: SSW Forecast: Mostly sunny, with a high near 39. |
Tuesday Night |
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Temperature: 27°F Wind Speed: 6 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 27. |
Wednesday |
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Temperature: 45°F Wind Speed: 3 to 10 mph Wind Direction: SSW Forecast: Partly sunny, with a high near 45. |
Wednesday Night |
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Temperature: 28°F Wind Speed: 10 mph Wind Direction: WSW Forecast: Mostly cloudy, with a low around 28. |
Thursday |
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Temperature: 39°F Wind Speed: 8 to 12 mph Wind Direction: NW Forecast: Sunny, with a high near 39. |
Thursday Night |
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Temperature: 21°F Wind Speed: 7 mph Wind Direction: NE Forecast: Mostly cloudy, with a low around 21. |
Friday |
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Temperature: 40°F Wind Speed: 7 to 12 mph Wind Direction: SSE Forecast: Mostly cloudy, with a high near 40. |