Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
Tonight |
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Temperature: 60°F Wind Speed: 6 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 60. South southeast wind around 6 mph. |
Friday |
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Temperature: 78°F Wind Speed: 6 to 12 mph Wind Direction: WSW Forecast: A slight chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 78. West southwest wind 6 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Friday Night |
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Temperature: 47°F Wind Speed: 12 to 15 mph Wind Direction: N Forecast: Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 47. North wind 12 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Saturday |
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Temperature: 64°F Wind Speed: 12 mph Wind Direction: NNE Forecast: Mostly sunny, with a high near 64. North northeast wind around 12 mph, with gusts as high as 20 mph. |
Saturday Night |
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Temperature: 43°F Wind Speed: 7 to 10 mph Wind Direction: ENE Forecast: Mostly clear, with a low around 43. East northeast wind 7 to 10 mph, with gusts as high as 17 mph. |
Sunday |
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Temperature: 69°F Wind Speed: 9 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 69. Southeast wind around 9 mph, with gusts as high as 16 mph. |
Sunday Night |
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Temperature: 54°F Wind Speed: 9 mph Wind Direction: SSE Forecast: Partly cloudy, with a low around 54. South southeast wind around 9 mph, with gusts as high as 17 mph. |
Monday |
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Temperature: 83°F Wind Speed: 10 to 16 mph Wind Direction: S Forecast: Mostly sunny, with a high near 83. |
Monday Night |
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Temperature: 69°F Wind Speed: 16 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%. |
Tuesday |
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Temperature: 81°F Wind Speed: 14 to 17 mph Wind Direction: SW Forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%. |
Tuesday Night |
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Temperature: 53°F Wind Speed: 8 to 13 mph Wind Direction: NNW Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 53. |
Wednesday |
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Temperature: 69°F Wind Speed: 9 mph Wind Direction: NE Forecast: A chance of rain showers. Partly sunny, with a high near 69. |
Wednesday Night |
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Temperature: 54°F Wind Speed: 7 mph Wind Direction: ENE Forecast: A chance of rain showers. Mostly cloudy, with a low around 54. |
Thursday |
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Temperature: 70°F Wind Speed: 9 mph Wind Direction: NE Forecast: A chance of rain showers. Mostly cloudy, with a high near 70. |