Weather in Decatur, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Decatur
Today |
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Temperature: 38°F Wind Speed: 12 mph Wind Direction: SSW Forecast: Sunny, with a high near 38. South southwest wind around 12 mph, with gusts as high as 21 mph. |
Tonight |
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Temperature: 29°F Wind Speed: 7 to 13 mph Wind Direction: SW Forecast: Patchy freezing fog after 4am. Mostly cloudy, with a low around 29. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. |
Wednesday |
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Temperature: 40°F Wind Speed: 2 to 8 mph Wind Direction: WNW Forecast: Patchy freezing fog before 10am. Mostly sunny. High near 40, with temperatures falling to around 35 in the afternoon. West northwest wind 2 to 8 mph. |
Wednesday Night |
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Temperature: 34°F Wind Speed: 9 to 18 mph Wind Direction: SSE Forecast: A chance of rain after midnight. Mostly cloudy. Low around 34, with temperatures rising to around 44 overnight. South southeast wind 9 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. |
Thursday |
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Temperature: 49°F Wind Speed: 16 to 22 mph Wind Direction: SW Forecast: Rain before 3pm, then a chance of rain and snow. Mostly cloudy. High near 49, with temperatures falling to around 37 in the afternoon. Southwest wind 16 to 22 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday Night |
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Temperature: 15°F Wind Speed: 13 to 23 mph Wind Direction: WNW Forecast: Mostly cloudy, with a low around 15. West northwest wind 13 to 23 mph, with gusts as high as 31 mph. |
Friday |
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Temperature: 31°F Wind Speed: 6 to 12 mph Wind Direction: WSW Forecast: Mostly sunny, with a high near 31. West southwest wind 6 to 12 mph, with gusts as high as 17 mph. |
Friday Night |
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Temperature: 25°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 25. |
Saturday |
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Temperature: 48°F Wind Speed: 9 to 15 mph Wind Direction: SW Forecast: Partly sunny, with a high near 48. |
Saturday Night |
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Temperature: 27°F Wind Speed: 8 mph Wind Direction: WNW Forecast: Mostly cloudy, with a low around 27. |
Sunday |
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Temperature: 39°F Wind Speed: 7 mph Wind Direction: N Forecast: Mostly sunny, with a high near 39. |
Sunday Night |
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Temperature: 27°F Wind Speed: 6 mph Wind Direction: ENE Forecast: Mostly cloudy, with a low around 27. |
Monday |
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Temperature: 41°F Wind Speed: 7 mph Wind Direction: ESE Forecast: Partly sunny, with a high near 41. |
Monday Night |
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Temperature: 32°F Wind Speed: 7 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 32. |