Weather in DeKalb, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for DeKalb
This Afternoon |
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Temperature: 84°F Wind Speed: 5 mph Wind Direction: S Forecast: Mostly sunny, with a high near 84. South wind around 5 mph. |
Tonight |
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Temperature: 66°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Partly cloudy, with a low around 66. South southeast wind around 5 mph. |
Thursday |
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Temperature: 88°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 70°F Wind Speed: 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 30%. |
Friday |
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Temperature: 89°F Wind Speed: 5 to 15 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
Friday Night |
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Temperature: 71°F Wind Speed: 10 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 71. |
Saturday |
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Temperature: 91°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Mostly sunny, with a high near 91. |
Saturday Night |
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Temperature: 71°F Wind Speed: 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71. |
Sunday |
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Temperature: 88°F Wind Speed: 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 88. |
Sunday Night |
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Temperature: 69°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. |
Monday |
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Temperature: 84°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 84. |
Monday Night |
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Temperature: 68°F Wind Speed: 5 to 10 mph Wind Direction: WSW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. |
Tuesday |
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Temperature: 84°F Wind Speed: 5 to 10 mph Wind Direction: WSW Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 84. |
Tuesday Night |
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Temperature: 64°F Wind Speed: 5 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 64. |