Weather in DeKalb, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for DeKalb
This Afternoon |
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Temperature: 62°F Wind Speed: 20 to 30 mph Wind Direction: WSW Forecast: Sunny. High near 62, with temperatures falling to around 57 in the afternoon. West southwest wind 20 to 30 mph, with gusts as high as 45 mph. |
Tonight |
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Temperature: 36°F Wind Speed: 5 to 15 mph Wind Direction: WSW Forecast: Partly cloudy, with a low around 36. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. |
Thursday |
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Temperature: 58°F Wind Speed: 5 to 10 mph Wind Direction: ESE Forecast: A slight chance of rain showers between 2pm and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 58, with temperatures falling to around 54 in the afternoon. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 32°F Wind Speed: 10 to 20 mph Wind Direction: S Forecast: Showers and thunderstorms likely before midnight, then rain likely between midnight and 3am, then a chance of rain and snow. Mostly cloudy, with a low around 32. South wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. |
Friday |
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Temperature: 40°F Wind Speed: 20 to 25 mph Wind Direction: W Forecast: A chance of snow before noon. Mostly cloudy, with a high near 40. West wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible. |
Friday Night |
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Temperature: 23°F Wind Speed: 10 to 15 mph Wind Direction: WNW Forecast: Partly cloudy, with a low around 23. |
Saturday |
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Temperature: 35°F Wind Speed: 10 to 15 mph Wind Direction: WNW Forecast: Partly sunny, with a high near 35. |
Saturday Night |
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Temperature: 20°F Wind Speed: 10 to 15 mph Wind Direction: NW Forecast: Mostly cloudy, with a low around 20. |
Sunday |
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Temperature: 31°F Wind Speed: 15 to 20 mph Wind Direction: NW Forecast: Partly sunny, with a high near 31. |
Sunday Night |
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Temperature: 16°F Wind Speed: 15 mph Wind Direction: NNW Forecast: Partly cloudy, with a low around 16. |
Monday |
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Temperature: 32°F Wind Speed: 5 to 15 mph Wind Direction: NNW Forecast: Mostly sunny, with a high near 32. |
Monday Night |
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Temperature: 17°F Wind Speed: 5 mph Wind Direction: W Forecast: Mostly clear, with a low around 17. |
Tuesday |
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Temperature: 41°F Wind Speed: 5 to 20 mph Wind Direction: S Forecast: Partly sunny, with a high near 41. |
Tuesday Night |
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Temperature: 29°F Wind Speed: 15 to 20 mph Wind Direction: SSW Forecast: A slight chance of snow before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 29. |