Hourly Weather Forecast - Alton, IL

  • Temperature
    83°F
    Precipitation
    0%
    Wind
    2mph
    SW
    Arrow up

    Partly Cloudy

    Humidity
    78%
    Feels like
    91°F
    Dew Point
    76°F
  • Sunny

    Humidity
    72%
    Feels like
    96°F
    Dew Point
    76°F
  • Mostly Sunny

    Humidity
    66%
    Feels like
    99°F
    Dew Point
    76°F
  • Mostly Sunny

    Humidity
    62%
    Feels like
    102°F
    Dew Point
    76°F
  • Mostly Sunny

    Humidity
    58%
    Feels like
    104°F
    Dew Point
    75°F
  • Mostly Sunny

    Humidity
    55%
    Feels like
    104°F
    Dew Point
    74°F
  • Sunny

    Humidity
    54%
    Feels like
    103°F
    Dew Point
    74°F
  • Mostly Sunny

    Humidity
    56%
    Feels like
    102°F
    Dew Point
    74°F
  • Mostly Sunny

    Humidity
    57%
    Feels like
    101°F
    Dew Point
    74°F
  • Mostly Sunny

    Humidity
    58%
    Feels like
    101°F
    Dew Point
    74°F
  • Partly Cloudy

    Humidity
    61%
    Feels like
    99°F
    Dew Point
    74°F
  • Partly Cloudy

    Humidity
    66%
    Feels like
    96°F
    Dew Point
    74°F
  • Warm and Humid

    Humidity
    71%
    Feels like
    92°F
    Dew Point
    74°F
  • Warm and Humid

    Humidity
    74%
    Feels like
    90°F
    Dew Point
    74°F
  • Warm and Humid

    Humidity
    77%
    Feels like
    88°F
    Dew Point
    74°F