Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
Today |
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Temperature: 55°F Wind Speed: 17 mph Wind Direction: NW Forecast: A slight chance of rain showers before 9am. Partly sunny, with a high near 55. Northwest wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 37°F Wind Speed: 6 to 15 mph Wind Direction: W Forecast: Patchy frost after 5am. Mostly clear, with a low around 37. West wind 6 to 15 mph, with gusts as high as 25 mph. |
Sunday |
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Temperature: 60°F Wind Speed: 6 to 17 mph Wind Direction: W Forecast: Patchy frost before 8am. Sunny, with a high near 60. West wind 6 to 17 mph, with gusts as high as 29 mph. |
Sunday Night |
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Temperature: 34°F Wind Speed: 3 to 13 mph Wind Direction: N Forecast: Patchy frost after 4am. Mostly clear, with a low around 34. North wind 3 to 13 mph, with gusts as high as 22 mph. |
Monday |
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Temperature: 60°F Wind Speed: 3 to 7 mph Wind Direction: ESE Forecast: Patchy frost before 8am. Sunny, with a high near 60. East southeast wind 3 to 7 mph. |
Monday Night |
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Temperature: 47°F Wind Speed: 8 to 13 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 47. South southeast wind 8 to 13 mph, with gusts as high as 21 mph. |
Tuesday |
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Temperature: 76°F Wind Speed: 12 to 17 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 76. Southwest wind 12 to 17 mph, with gusts as high as 28 mph. |
Tuesday Night |
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Temperature: 57°F Wind Speed: 9 to 13 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 57. |
Wednesday |
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Temperature: 79°F Wind Speed: 9 mph Wind Direction: WSW Forecast: Mostly sunny, with a high near 79. |
Wednesday Night |
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Temperature: 59°F Wind Speed: 9 mph Wind Direction: SSW Forecast: Mostly clear, with a low around 59. |
Thursday |
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Temperature: 82°F Wind Speed: 9 to 17 mph Wind Direction: S Forecast: Sunny, with a high near 82. |
Thursday Night |
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Temperature: 62°F Wind Speed: 16 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. |
Friday |
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Temperature: 75°F Wind Speed: 14 to 17 mph Wind Direction: SSW Forecast: Showers and thunderstorms likely. Partly sunny, with a high near 75. |
Friday Night |
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Temperature: 48°F Wind Speed: 12 to 15 mph Wind Direction: W Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 48. |