10-Day Weather Forecast - Altamont, IL

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  • 80|68°F
    50% Chance of Storms

    Today

    80°F

    Partly sunny with a slight chance of showers this morning then mostly cloudy with a chance of showers and thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the lower 80s. West winds around 5 mph. Chance of rain 50 percent.

    Tonight

    68°F

    Cloudy. A chance of showers and thunderstorms in the evening then showers with thunderstorms likely after midnight. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. Northeast winds around 5 mph becoming east after midnight. Chance of rain 80 percent.

    Hourly details
  • 75|68°F
    Thunderstorms

    Day

    75°F

    Showers. Thunderstorms likely mainly in the morning. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

    Night

    68°F

    A chance of thunderstorms. Showers likely. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.

    Hourly details
  • 79|69°F
    50% Chance of Storms

    Day

    79°F

    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. A chance of thunderstorms. Some thunderstorms may produce heavy rainfall in the morning. Humid with highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 50 percent.

    Night

    69°F

    Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

    Hourly details
  • 88|73°F
    Mostly Sunny

    Day

    88°F

    Mostly clear. Highs in the lower 90s. Lows in the mid 70s.

    Night

    73°F

    Mostly clear. Highs in the lower 90s. Lows in the mid 70s.

    Hourly details
  • 92|74°F
    Mostly Sunny

    Day

    92°F

    Mostly clear. Highs in the lower 90s. Lows in the mid 70s.

    Night

    74°F

    Mostly clear. Highs in the lower 90s. Lows in the mid 70s.

    Hourly details
  • 93|76°F
    Sunny

    Day

    93°F

    Clear. Highs in the mid 90s. Lows in the mid 70s.

    Night

    76°F

    Clear. Highs in the mid 90s. Lows in the mid 70s.

    Hourly details
  • 93|76°F
    Sunny

    Day

    93°F

    Sunny. Highs in the mid 90s. Heat index values up to 105.

    Night

    76°F

    Clear. Low temperature around 76F. Dew point will be around 74F with an average humidity of 78%. Winds will be 3 mph from the S.

  • 91|76°F
    Sunny

    Day

    91°F

    Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 91F. Dew point will be around 76F with an average humidity of 71%. Winds will be 3 mph from the S.

    Night

    76°F

    Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 76F. Dew point will be around 76F with an average humidity of 83%. Winds will be 2 mph from the S.

  • 90|75°F
    40% Chance of Rain

    Day

    90°F

    Sunny with a 35% chance for rain and thunderstorms. High temperature around 90F. Dew point will be around 76F with an average humidity of 73%. Winds will be 2 mph from the W.

    Night

    75°F

    Clear with a 40% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 75F with an average humidity of 85%. Winds will be 1 mph from the N.

  • 87|72°F
    40% Chance of Rain

    Day

    87°F

    Sunny with a 40% chance for rain and thunderstorms. High temperature around 87F. Dew point will be around 75F with an average humidity of 76%. Winds will be 2 mph from the N.

    Night

    72°F

    Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 74F with an average humidity of 90%. Winds will be 3 mph from the N.