10-Day Weather Forecast - Decatur, IL

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  • 23|7°F
    Chance of Flurries
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    Today

    23°F

    Cloudy with a chance of flurries. Near steady temperature in the lower 20s. Southwest winds around 15 mph with gusts up to 25 mph.

    Tonight

    7°F

    Mostly cloudy. A chance of flurries in the evening. Blustery cold with lows around 4 above. West winds 15 to 20 mph with gusts up to 30 mph becoming northwest 20 to 25 mph with gusts up to 40 mph after midnight. Wind chill values as low as 14 below after midnight.

    Hourly details
  • Day

    12°F

    Mostly sunny and brisk cooler with highs around 14. Northwest winds 15 to 25 mph with gusts up to 35 mph. Wind chill values as low as 18 below.

    Night

    8°F

    Partly cloudy. Near steady temperature around 8 above. West winds 5 to 10 mph. Wind chill values as low as 7 below.

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  • Day

    29°F

    Mostly sunny. Not as cool with highs in the upper 20s. Southwest winds 5 to 10 mph. Wind chill values as low as 3 below in the morning.

    Night

    23°F

    Mostly cloudy. Not as cool with lows in the lower 20s. Temperature rising to around 30 after midnight.

    Hourly details
  • Day

    38°F

    Partly cloudy. Highs in the upper 30s. Lows 15 to 20.

    Night

    20°F

    Partly cloudy. Highs in the upper 30s. Lows 15 to 20.

    Hourly details
  • Day

    28°F

    Partly cloudy. Highs in the upper 20s. Lows 15 to 20.

    Night

    21°F

    Partly cloudy. Highs in the upper 20s. Lows 15 to 20.

    Hourly details
  • Day

    35°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 20s.

    Night

    17°F

    Mostly cloudy with a 30 percent chance of snow. Lows around 10 above. Highs around 20. Wind chill values as low as 5 below.

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  • Weekend Weather

  • Day

    15°F

    Mostly cloudy with a 30 percent chance of snow. Lows around 10 above. Highs around 20. Wind chill values as low as 5 below.

    Night

    -1°F

    Mostly clear with a chance of snow. Chance of precipitation 35%. Low temperature around -1F. Dew point will be around -2F with an average humidity of 72%. Winds will be 13 mph from the N.

  • Day

    9°F

    Sunny. High temperature around 9F. Dew point will be around -3F with an average humidity of 67%. Winds will be 7 mph from the NW.

    Night

    1°F

    Clear. Low temperature around 1F. Dew point will be around -2F with an average humidity of 75%. Winds will be 5 mph from the NW.

  • Day

    13°F

    Sunny. High temperature around 13F. Dew point will be around 0F with an average humidity of 65%. Winds will be 7 mph from the W.

    Night

    7°F

    Clear. Low temperature around 7F. Dew point will be around 5F with an average humidity of 78%. Winds will be 5 mph from the W.

  • Day

    18°F

    Sunny. High temperature around 18F. Dew point will be around 6F with an average humidity of 68%. Winds will be 8 mph from the W.

    Night

    7°F

    Clear. Low temperature around 7F. Dew point will be around 6F with an average humidity of 77%. Winds will be 5 mph from the W.