Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
This Afternoon |
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Temperature: 34°F Wind Speed: 10 to 14 mph Wind Direction: SE Forecast: Sunny, with a high near 34. Southeast wind 10 to 14 mph, with gusts as high as 22 mph. |
Tonight |
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Temperature: 24°F Wind Speed: 6 to 9 mph Wind Direction: ESE Forecast: Partly cloudy, with a low around 24. East southeast wind 6 to 9 mph, with gusts as high as 17 mph. |
Monday |
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Temperature: 44°F Wind Speed: 6 mph Wind Direction: SSE Forecast: Mostly sunny, with a high near 44. South southeast wind around 6 mph. |
Monday Night |
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Temperature: 34°F Wind Speed: 7 to 10 mph Wind Direction: SSW Forecast: Mostly clear. Low around 34, with temperatures rising to around 39 overnight. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. |
Tuesday |
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Temperature: 51°F Wind Speed: 9 mph Wind Direction: WNW Forecast: Sunny. High near 51, with temperatures falling to around 46 in the afternoon. West northwest wind around 9 mph. |
Tuesday Night |
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Temperature: 28°F Wind Speed: 7 mph Wind Direction: NNW Forecast: Partly cloudy, with a low around 28. North northwest wind around 7 mph. |
Wednesday |
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Temperature: 44°F Wind Speed: 7 mph Wind Direction: NNW Forecast: Mostly sunny, with a high near 44. North northwest wind around 7 mph. |
Wednesday Night |
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Temperature: 27°F Wind Speed: 6 mph Wind Direction: NNE Forecast: Mostly cloudy, with a low around 27. |
Thursday |
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Temperature: 40°F Wind Speed: 7 mph Wind Direction: E Forecast: A chance of snow after noon. Mostly cloudy, with a high near 40. Chance of precipitation is 30%. |
Thursday Night |
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Temperature: 28°F Wind Speed: 7 mph Wind Direction: E Forecast: A chance of snow before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 28. New snow accumulation of less than half an inch possible. |
Friday |
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Temperature: 41°F Wind Speed: 8 mph Wind Direction: E Forecast: A slight chance of snow before noon, then a slight chance of rain. Mostly sunny, with a high near 41. |
Friday Night |
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Temperature: 28°F Wind Speed: 6 to 9 mph Wind Direction: ESE Forecast: A slight chance of rain before midnight, then a chance of rain and snow. Partly cloudy, with a low around 28. New snow accumulation of less than half an inch possible. |
Saturday |
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Temperature: 42°F Wind Speed: 12 mph Wind Direction: SE Forecast: A chance of rain. Partly sunny, with a high near 42. |
Saturday Night |
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Temperature: 30°F Wind Speed: 10 mph Wind Direction: SSW Forecast: A chance of rain. Mostly cloudy, with a low around 30. |