10-Day Weather Forecast - Altamont, IL

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  • 84|76°F
    Partly Sunny

    Today

    84°F

    Partly sunny. Isolated showers and thunderstorms early this morning. Highs in the lower 90s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 105 this afternoon.

    Tonight

    76°F

    Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent.

    Hourly details
  • 89|74°F
    Mostly Sunny

    Day

    89°F

    Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 106 in the afternoon.

    Night

    74°F

    Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph.

    Hourly details
  • 88|74°F
    50% Chance of Storms

    Day

    88°F

    Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 103.

    Night

    74°F

    Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 70s. Chance of rain 50 percent.

    Hourly details
  • 89|74°F
    60% Chance of Storms

    Day

    89°F

    A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 80s. Chance of rain 60 percent.

    Night

    74°F

    A chance of thunderstorms in the evening. Showers likely. Lows in the upper 60s. Chance of rain 70 percent.

    Hourly details
  • 81|73°F
    40% Chance Rain Showers

    Day

    81°F

    A chance of showers in the morning. Partly sunny. Highs in the mid 80s. Chance of rain 40 percent.

    Night

    73°F

    Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.

    Hourly details
  • 90|74°F
    Partly Cloudy

    Day

    90°F

    Partly cloudy. Highs in the mid 80s.

    Night

    74°F

    Partly cloudy. Lows in the lower 70s.

    Hourly details
  • 85|71°F
    30% Chance Rain Showers

    Day

    85°F

    A chance of showers in the morning. Mostly sunny. Highs in the mid 80s. Chance of rain 30 percent.

    Night

    71°F

    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 71F. Dew point will be around 73F with an average humidity of 94%. Winds will be 3 mph from the NE.

  • 84|69°F
    40% Chance of Rain

    Day

    84°F

    Sunny with a 35% chance for rain and thunderstorms. High temperature around 84F. Dew point will be around 73F with an average humidity of 82%. Winds will be 4 mph from the NE.

    Night

    69°F

    Clear with a 35% chance for rain and thunderstorms. Low temperature around 69F. Dew point will be around 72F with an average humidity of 97%. Winds will be 4 mph from the NE.

  • 85|71°F
    30% Chance of Rain

    Day

    85°F

    Sunny with a 35% chance for rain and thunderstorms. High temperature around 85F. Dew point will be around 73F with an average humidity of 80%. Winds will be 2 mph from the E.

    Night

    71°F

    Clear with a 35% chance for rain and thunderstorms. Low temperature around 71F. Dew point will be around 73F with an average humidity of 95%. Winds will be 1 mph from the SE.

  • 87|71°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 74F with an average humidity of 80%. Winds will be 2 mph from the SW.

    Night

    71°F

    Clear with a 40% chance for rain and thunderstorms. Low temperature around 71F. Dew point will be around 74F with an average humidity of 93%. Winds will be 1 mph from the SW.