Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
Independence Day |
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Temperature: 93°F Wind Speed: 7 mph Wind Direction: S Forecast: Mostly sunny, with a high near 93. South wind around 7 mph. |
Tonight |
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Temperature: 70°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 70. South wind around 6 mph. |
Saturday |
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Temperature: 91°F Wind Speed: 5 to 13 mph Wind Direction: SSW Forecast: Sunny, with a high near 91. South southwest wind 5 to 13 mph, with gusts as high as 17 mph. |
Saturday Night |
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Temperature: 74°F Wind Speed: 6 to 10 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind 6 to 10 mph. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 88°F Wind Speed: 7 to 10 mph Wind Direction: WSW Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 88. West southwest wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday Night |
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Temperature: 70°F Wind Speed: 3 to 7 mph Wind Direction: WNW Forecast: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. West northwest wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Monday |
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Temperature: 87°F Wind Speed: 5 mph Wind Direction: N Forecast: A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. North wind around 5 mph. |
Monday Night |
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Temperature: 69°F Wind Speed: 3 mph Wind Direction: ENE Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. |
Tuesday |
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Temperature: 90°F Wind Speed: 3 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. |
Tuesday Night |
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Temperature: 71°F Wind Speed: 3 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 71. |
Wednesday |
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Temperature: 88°F Wind Speed: 6 mph Wind Direction: WSW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. |
Wednesday Night |
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Temperature: 69°F Wind Speed: 2 to 6 mph Wind Direction: N Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. |
Thursday |
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Temperature: 87°F Wind Speed: 6 mph Wind Direction: N Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 87. |
Thursday Night |
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Temperature: 69°F Wind Speed: 5 mph Wind Direction: ENE Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. |