Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
This Afternoon |
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Temperature: 55°F Wind Speed: 13 mph Wind Direction: ENE Forecast: Showers and thunderstorms. Cloudy, with a high near 55. East northeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
Tonight |
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Temperature: 46°F Wind Speed: 8 to 13 mph Wind Direction: NE Forecast: Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 46. Northeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
Saturday |
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Temperature: 51°F Wind Speed: 15 mph Wind Direction: N Forecast: Rain showers likely. Cloudy, with a high near 51. North wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
Saturday Night |
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Temperature: 35°F Wind Speed: 14 mph Wind Direction: NNE Forecast: Rain showers likely. Cloudy, with a low around 35. North northeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 49°F Wind Speed: 8 to 13 mph Wind Direction: NNE Forecast: A slight chance of rain showers. Mostly cloudy, with a high near 49. North northeast wind 8 to 13 mph, with gusts as high as 23 mph. |
Sunday Night |
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Temperature: 34°F Wind Speed: 7 mph Wind Direction: NW Forecast: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 34. Northwest wind around 7 mph. |
Monday |
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Temperature: 54°F Wind Speed: 7 to 15 mph Wind Direction: WNW Forecast: Sunny, with a high near 54. West northwest wind 7 to 15 mph, with gusts as high as 26 mph. |
Monday Night |
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Temperature: 26°F Wind Speed: 5 to 14 mph Wind Direction: NNE Forecast: Mostly clear, with a low around 26. |
Tuesday |
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Temperature: 51°F Wind Speed: 5 mph Wind Direction: WNW Forecast: Sunny, with a high near 51. |
Tuesday Night |
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Temperature: 36°F Wind Speed: 3 to 9 mph Wind Direction: SSE Forecast: Partly cloudy, with a low around 36. |
Wednesday |
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Temperature: 58°F Wind Speed: 9 to 14 mph Wind Direction: S Forecast: A chance of rain showers after 7am. Partly sunny, with a high near 58. |
Wednesday Night |
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Temperature: 47°F Wind Speed: 12 mph Wind Direction: S Forecast: A chance of rain showers before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 47. |
Thursday |
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Temperature: 68°F Wind Speed: 12 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 68. |
Thursday Night |
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Temperature: 47°F Wind Speed: 7 to 10 mph Wind Direction: WNW Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 47. |