10-Day Weather Forecast - Altamont, IL

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  • 50|45°F
    Mostly Sunny
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    Today

    50°F

    Mostly sunny. High temperature around 50F. Dew point will be around 35F with an average humidity of 85%. Winds will be 2 mph from the W.

    Tonight

    45°F

    Partly cloudy this evening then mostly cloudy with a slight chance of showers after midnight. Lows around 40. Temperature rising to around 50 after midnight. South winds 15 to 20 mph. Gusts up to 35 mph after midnight. Chance of rain 20 percent.

    Hourly details
  • Day

    52°F

    A slight chance of thunderstorms in the morning. Showers. Highs in the lower 50s. Temperature falling into the lower 40s in the afternoon. South winds around 20 mph becoming west in the afternoon. Gusts up to 35 mph. Chance of rain near 100 percent.

    Night

    21°F

    Partly cloudy. Much cooler with lows around 20. West winds 15 to 20 mph with gusts up to 30 mph.

    Hourly details
  • Day

    30°F

    Sunny. Much cooler with highs in the mid 30s. West winds 10 to 15 mph.

    Night

    26°F

    Partly cloudy. Near steady temperature around 30. Temperature rising into the lower 30s after midnight. South winds 10 to 15 mph with gusts up to 25 mph.

    Hourly details
  • Weekend Weather

  • Day

    46°F

    Partly sunny. Not as cool with highs around 50.

    Night

    27°F

    Partly cloudy. Lows in the lower 20s. Highs in the upper 30s.

    Hourly details
  • Day

    38°F

    Partly cloudy. Lows in the lower 20s. Highs in the upper 30s.

    Night

    27°F

    Mostly cloudy. Lows in the mid 20s. Highs in the lower 40s.

    Hourly details
  • Day

    40°F

    Mostly cloudy. Lows in the mid 20s. Highs in the lower 40s.

    Night

    38°F

    Mostly cloudy. Lows in the upper 30s. Highs in the mid 50s.

    Hourly details
  • Day

    50°F

    Mostly cloudy. Lows in the upper 30s. Highs in the mid 50s.

    Night

    44°F

    Mostly cloudy. Lows in the upper 30s. Highs in the mid 50s.

  • Day

    53°F

    Mostly cloudy. Lows in the upper 30s. Highs in the mid 50s.

    Night

    51°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 51F. Dew point will be around 52F with an average humidity of 100%. Winds will be 8 mph from the S.

  • Day

    58°F

    Cloudy. High temperature around 58F. Dew point will be around 54F with an average humidity of 95%. Winds will be 8 mph from the SW.

    Night

    55°F

    Cloudy. Low temperature around 54F. Dew point will be around 56F with an average humidity of 100%. Winds will be 8 mph from the SW.

  • Day

    59°F

    Cloudy. High temperature around 59F. Dew point will be around 54F with an average humidity of 91%. Winds will be 7 mph from the SW.

    Night

    46°F

    Cloudy. Low temperature around 46F. Dew point will be around 49F with an average humidity of 91%. Winds will be 3 mph from the SW.