Weather in DeKalb, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for DeKalb
Overnight |
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Temperature: 28°F Wind Speed: 10 mph Wind Direction: WNW Forecast: Partly cloudy. Low around 28, with temperatures rising to around 34 overnight. West northwest wind around 10 mph, with gusts as high as 20 mph. |
Wednesday |
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Temperature: 36°F Wind Speed: 0 to 10 mph Wind Direction: WNW Forecast: Mostly sunny. High near 36, with temperatures falling to around 31 in the afternoon. West northwest wind 0 to 10 mph. |
Wednesday Night |
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Temperature: 30°F Wind Speed: 10 to 20 mph Wind Direction: S Forecast: Rain likely and drizzle likely after 3am. Mostly cloudy. Low around 30, with temperatures rising to around 39 overnight. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 45°F Wind Speed: 15 to 20 mph Wind Direction: SW Forecast: Rain before 3pm. Mostly cloudy, with a high near 45. Southwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. |
Thursday Night |
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Temperature: 12°F Wind Speed: 20 to 25 mph Wind Direction: WNW Forecast: A chance of snow before midnight, then a chance of snow showers. Mostly cloudy, with a low around 12. West northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. |
Friday |
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Temperature: 27°F Wind Speed: 10 to 15 mph Wind Direction: W Forecast: Mostly sunny, with a high near 27. |
Friday Night |
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Temperature: 22°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 22. |
Saturday |
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Temperature: 43°F Wind Speed: 10 to 15 mph Wind Direction: WSW Forecast: Mostly cloudy, with a high near 43. |
Saturday Night |
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Temperature: 17°F Wind Speed: 10 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 17. |
Sunday |
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Temperature: 28°F Wind Speed: 5 to 10 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 28. |
Sunday Night |
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Temperature: 18°F Wind Speed: 5 mph Wind Direction: ENE Forecast: Partly cloudy, with a low around 18. |
Monday |
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Temperature: 35°F Wind Speed: 5 to 10 mph Wind Direction: SE Forecast: Partly sunny, with a high near 35. |
Monday Night |
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Temperature: 30°F Wind Speed: 10 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 30. |
Tuesday |
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Temperature: 41°F Wind Speed: 10 mph Wind Direction: WSW Forecast: Mostly cloudy, with a high near 41. |