Weather in DeKalb, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for DeKalb
This Afternoon |
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Temperature: 49°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Mostly sunny. High near 49, with temperatures falling to around 47 in the afternoon. South wind 10 to 15 mph, with gusts as high as 25 mph. |
Tonight |
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Temperature: 42°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Rain showers likely between 11pm and 3am, then showers and thunderstorms likely. Mostly cloudy, with a low around 42. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tuesday |
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Temperature: 48°F Wind Speed: 15 mph Wind Direction: SSE Forecast: Showers and thunderstorms. Cloudy, with a high near 48. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible. |
Tuesday Night |
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Temperature: 45°F Wind Speed: 10 to 15 mph Wind Direction: SE Forecast: Rain showers. Cloudy, with a low around 45. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. |
Wednesday |
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Temperature: 49°F Wind Speed: 10 to 30 mph Wind Direction: W Forecast: Rain showers before 3pm, then rain and snow showers. Mostly cloudy, with a high near 49. West wind 10 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. |
Wednesday Night |
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Temperature: 22°F Wind Speed: 15 to 30 mph Wind Direction: NW Forecast: A chance of snow showers before midnight. Mostly cloudy, with a low around 22. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible. |
Thursday |
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Temperature: 42°F Wind Speed: 5 to 15 mph Wind Direction: WNW Forecast: Sunny, with a high near 42. |
Thursday Night |
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Temperature: 30°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of snow after midnight. Mostly cloudy, with a low around 30. |
Friday |
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Temperature: 39°F Wind Speed: 5 to 10 mph Wind Direction: ESE Forecast: Rain and snow likely. Mostly cloudy, with a high near 39. |
Friday Night |
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Temperature: 24°F Wind Speed: 5 to 10 mph Wind Direction: N Forecast: A slight chance of snow before midnight. Partly cloudy, with a low around 24. |
Saturday |
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Temperature: 41°F Wind Speed: 10 to 15 mph Wind Direction: WNW Forecast: Mostly sunny, with a high near 41. |
Saturday Night |
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Temperature: 26°F Wind Speed: 10 mph Wind Direction: WNW Forecast: Partly cloudy, with a low around 26. |
Sunday |
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Temperature: 46°F Wind Speed: 10 to 15 mph Wind Direction: W Forecast: Mostly sunny, with a high near 46. |
Sunday Night |
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Temperature: 30°F Wind Speed: 10 to 15 mph Wind Direction: WSW Forecast: Mostly clear, with a low around 30. |