10-Day Weather Forecast - DeKalb, IL

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  • 56|37°F
    Partly Cloudy
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    Today

    56°F

    Partly cloudy late in the morning then becoming mostly cloudy. A slight chance of showers in the afternoon. Highs in the upper 50s. Northwest winds 10 to 15 mph increasing to 15 to 20 mph with gusts up to 25 mph in the afternoon. Chance of precipitation 20 percent.

    Tonight

    37°F

    Mostly clear. A slight chance of showers early in the evening. Patchy frost late. Lows in the mid 30s. Northwest winds 10 to 15 mph diminishing to around 5 mph after midnight. Chance of precipitation 20 percent.

    Hourly details
  • Day

    56°F

    Mostly sunny in the morning then becoming mostly cloudy. Isolated showers in the afternoon. Highs in the upper 50s. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent.

    Night

    37°F

    Partly cloudy. Isolated rain showers in the evening. Areas of frost after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    51°F

    Partly cloudy in the morning then becoming mostly cloudy. Areas of frost in the morning. Highs in the lower 50s. Northwest winds 5 to 10 mph.

    Night

    35°F

    Partly cloudy in the evening then clearing. Areas of frost after midnight. Lows in the mid 30s.

    Hourly details
  • Weekend Weather

  • Day

    54°F

    Mostly sunny in the morning then becoming partly cloudy. Areas of frost in the morning. Highs in the upper 50s.

    Night

    39°F

    Partly cloudy in the evening then clearing. Lows in the upper 30s.

    Hourly details
  • Day

    65°F

    Partly cloudy. Highs in the mid 60s.

    Night

    45°F

    Mostly cloudy. Scattered showers in the evening. Lows in the mid 40s. Chance of precipitation 30 percent.

    Hourly details
  • Day

    67°F

    Partly cloudy. Highs in the upper 60s.

    Night

    49°F

    Partly cloudy. Lows in the mid 40s.

    Hourly details
  • Day

    70°F

    Partly cloudy. Highs in the upper 60s.

    Night

    50°F

    Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 50F. Dew point will be around 45F with an average humidity of 73%. Winds will be 7 mph from the SW.

  • Day

    70°F

    Mostly cloudy with a 45% chance for rain and thunderstorms. High temperature around 70F. Dew point will be around 51F with an average humidity of 66%. Winds will be 8 mph from the SW.

    Night

    51°F

    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 51F. Dew point will be around 49F with an average humidity of 75%. Winds will be 5 mph from the W.

  • Day

    63°F

    Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 63F. Dew point will be around 47F with an average humidity of 65%. Winds will be 10 mph from the NW.

    Night

    45°F

    Mostly clear. Low temperature around 45F. Dew point will be around 42F with an average humidity of 70%. Winds will be 7 mph from the NW.

  • Day

    59°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 59F. Dew point will be around 40F with an average humidity of 59%. Winds will be 10 mph from the NW.

    Night

    43°F

    Partly cloudy. Low temperature around 43F. Dew point will be around 37F with an average humidity of 67%. Winds will be 7 mph from the NW.