Weather in DeKalb, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for DeKalb
Overnight |
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Temperature: 63°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A slight chance of rain showers before 2am, then a slight chance of showers and thunderstorms between 2am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday |
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Temperature: 82°F Wind Speed: 10 to 15 mph Wind Direction: WSW Forecast: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 11am, then a slight chance of showers and thunderstorms between 11am and 3pm. Mostly sunny, with a high near 82. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday Night |
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Temperature: 61°F Wind Speed: 5 to 10 mph Wind Direction: NW Forecast: Mostly clear, with a low around 61. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. |
Thursday |
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Temperature: 81°F Wind Speed: 5 to 10 mph Wind Direction: NNW Forecast: Sunny, with a high near 81. North northwest wind 5 to 10 mph. |
Thursday Night |
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Temperature: 58°F Wind Speed: 0 to 5 mph Wind Direction: NNE Forecast: Mostly clear, with a low around 58. North northeast wind 0 to 5 mph. |
Friday |
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Temperature: 80°F Wind Speed: 0 to 5 mph Wind Direction: ENE Forecast: Sunny, with a high near 80. |
Friday Night |
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Temperature: 59°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 59. |
Saturday |
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Temperature: 80°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 80. |
Saturday Night |
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Temperature: 65°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 65. |
Sunday |
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Temperature: 84°F Wind Speed: 15 mph Wind Direction: SSW Forecast: A slight chance of rain showers before 7am. Partly sunny, with a high near 84. |
Sunday Night |
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Temperature: 68°F Wind Speed: 10 to 15 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. |
Monday |
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Temperature: 84°F Wind Speed: 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. |
Monday Night |
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Temperature: 67°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. |
Tuesday |
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Temperature: 82°F Wind Speed: 5 to 10 mph Wind Direction: WSW Forecast: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. |