Weather in DeKalb, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for DeKalb
Today |
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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: 38°F Wind Speed: 5 to 15 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 38. South wind 5 to 15 mph, with gusts as high as 30 mph. |
Thursday |
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Temperature: 61°F Wind Speed: 5 to 10 mph Wind Direction: SE Forecast: Rain likely. Partly sunny. High near 61, with temperatures falling to around 56 in the afternoon. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. 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: SSW Forecast: Rain likely and a slight chance of thunderstorms before 3am, then rain and snow likely. Mostly cloudy, with a low around 32. South southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. |
Friday |
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Temperature: 40°F Wind Speed: 15 to 25 mph Wind Direction: W Forecast: A slight chance of rain before 9am, then a slight chance of snow between 9am and noon. Partly sunny, with a high near 40. West wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. |
Friday Night |
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Temperature: 21°F Wind Speed: 10 to 15 mph Wind Direction: WNW Forecast: Partly cloudy, with a low around 21. |
Saturday |
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Temperature: 35°F Wind Speed: 10 mph Wind Direction: NW Forecast: A slight chance of snow after noon. Partly sunny, with a high near 35. |
Saturday Night |
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Temperature: 21°F Wind Speed: 10 to 15 mph Wind Direction: NW Forecast: A chance of snow. Mostly cloudy, with a low around 21. |
Sunday |
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Temperature: 32°F Wind Speed: 15 to 20 mph Wind Direction: NW Forecast: Partly sunny, with a high near 32. |
Sunday Night |
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Temperature: 15°F Wind Speed: 10 to 15 mph Wind Direction: NNW Forecast: Partly cloudy, with a low around 15. |
Monday |
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Temperature: 31°F Wind Speed: 5 to 10 mph Wind Direction: NNW Forecast: Mostly sunny, with a high near 31. |
Monday Night |
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Temperature: 16°F Wind Speed: 5 mph Wind Direction: ENE Forecast: Mostly clear, with a low around 16. |
Tuesday |
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Temperature: 37°F Wind Speed: 5 to 15 mph Wind Direction: SSE Forecast: Partly sunny, with a high near 37. |
Tuesday Night |
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Temperature: 28°F Wind Speed: 15 mph Wind Direction: S Forecast: A slight chance of snow. Mostly cloudy, with a low around 28. |