Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
Today |
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Temperature: 85°F Wind Speed: 2 to 6 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 85. South southwest wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
Tonight |
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Temperature: 69°F Wind Speed: 2 to 6 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 69. Southeast wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible. |
Monday |
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Temperature: 87°F Wind Speed: 3 mph Wind Direction: NE Forecast: Sunny, with a high near 87. Northeast wind around 3 mph. |
Monday Night |
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Temperature: 70°F Wind Speed: 2 mph Wind Direction: E Forecast: Partly cloudy, with a low around 70. East wind around 2 mph. |
Tuesday |
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Temperature: 89°F Wind Speed: 3 to 7 mph Wind Direction: SSE Forecast: A slight chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southeast wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Tuesday Night |
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Temperature: 72°F Wind Speed: 6 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday |
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Temperature: 90°F Wind Speed: 8 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 90. South southwest wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday Night |
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Temperature: 72°F Wind Speed: 7 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%. |
Thursday |
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Temperature: 86°F Wind Speed: 8 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%. |
Thursday Night |
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Temperature: 67°F Wind Speed: 7 mph Wind Direction: N Forecast: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. |
Friday |
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Temperature: 84°F Wind Speed: 7 mph Wind Direction: NNE Forecast: A slight chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. |
Friday Night |
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Temperature: 68°F Wind Speed: 6 mph Wind Direction: ENE Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. |
Saturday |
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Temperature: 87°F Wind Speed: 6 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. |
Saturday Night |
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Temperature: 69°F Wind Speed: 6 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. |