Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
Overnight |
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Temperature: 68°F Wind Speed: 1 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Cloudy, with a low around 68. West wind around 1 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Thursday |
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Temperature: 79°F Wind Speed: 1 to 5 mph Wind Direction: WNW Forecast: A chance of rain showers before 7am, then showers and thunderstorms likely between 7am and 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm. Cloudy, with a high near 79. West northwest wind 1 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday Night |
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Temperature: 62°F Wind Speed: 5 mph Wind Direction: NE Forecast: Mostly cloudy, with a low around 62. Northeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 82°F Wind Speed: 7 mph Wind Direction: ESE Forecast: Mostly sunny, with a high near 82. East southeast wind around 7 mph. |
Friday Night |
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Temperature: 65°F Wind Speed: 2 to 6 mph Wind Direction: SSE Forecast: Partly cloudy, with a low around 65. South southeast wind 2 to 6 mph. |
Saturday |
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Temperature: 87°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 87. Southwest wind 3 to 7 mph. |
Saturday Night |
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Temperature: 65°F Wind Speed: 1 to 6 mph Wind Direction: W Forecast: A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 65. West wind 1 to 6 mph. |
Sunday |
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Temperature: 87°F Wind Speed: 2 to 7 mph Wind Direction: ESE Forecast: Mostly sunny, with a high near 87. |
Sunday Night |
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Temperature: 67°F Wind Speed: 6 to 9 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 67. |
Monday |
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Temperature: 92°F Wind Speed: 9 to 16 mph Wind Direction: S Forecast: Mostly sunny, with a high near 92. |
Monday Night |
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Temperature: 69°F Wind Speed: 14 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly clear, with a low around 69. |
Tuesday |
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Temperature: 85°F Wind Speed: 12 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 85. |
Tuesday Night |
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Temperature: 62°F Wind Speed: 7 to 10 mph Wind Direction: NNE Forecast: A chance of rain showers. Partly cloudy, with a low around 62. |
Wednesday |
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Temperature: 83°F Wind Speed: 8 mph Wind Direction: ENE Forecast: A chance of rain showers. Mostly sunny, with a high near 83. |