Alton, Illinois | Local and National Hourly Weather Forecasts | WeatherBug
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  • Wednesday
    Forecast hour icon
    4pm
    Partly Cloudy
    77°
    Precip 10%
    4pm Wed
    77°
    Feels like 77°
    Current forecast icon
    Partly Cloudy
    • Humidity
      64%
    • Wind
      ENE 6
    • Dew Point
      64°
  • Forecast hour icon
    5pm
    Partly Cloudy
    76°
    Precip 10%
    5pm Wed
    76°
    Feels like 76°
    Current forecast icon
    Partly Cloudy
    • Humidity
      65%
    • Wind
      ENE 6
    • Dew Point
      63°
  • Forecast hour icon
    6pm
    Mostly Sunny
    74°
    Precip 10%
    6pm Wed
    74°
    Feels like 74°
    Current forecast icon
    Mostly Sunny
    • Humidity
      70%
    • Wind
      E 7
    • Dew Point
      64°
  • Forecast hour icon
    7pm
    Mostly Sunny
    71°
    Precip 10%
    7pm Wed
    71°
    Feels like 71°
    Current forecast icon
    Mostly Sunny
    • Humidity
      76%
    • Wind
      E 6
    • Dew Point
      64°
  • 7:54p
    Forecast hour icon
    8pm
    30% Chance Rain Showers
    68°
    Precip 30%
    8pm Wed
    68°
    Feels like 68°
    Current forecast icon
    30% Chance Rain Showers
    • Humidity
      83%
    • Wind
      E 7
    • Dew Point
      63°
  • Forecast hour icon
    9pm
    30% Chance Rain Showers
    67°
    Precip 30%
    9pm Wed
    67°
    Feels like 67°
    Current forecast icon
    30% Chance Rain Showers
    • Humidity
      83%
    • Wind
      E 9
    • Dew Point
      62°
  • Forecast hour icon
    10pm
    30% Chance Rain Showers
    66°
    Precip 30%
    10pm Wed
    66°
    Feels like 66°
    Current forecast icon
    30% Chance Rain Showers
    • Humidity
      86%
    • Wind
      E 6
    • Dew Point
      61°
  • Forecast hour icon
    11pm
    30% Chance Rain Showers
    66°
    Precip 30%
    11pm Wed
    66°
    Feels like 66°
    Current forecast icon
    30% Chance Rain Showers
    • Humidity
      86%
    • Wind
      E 7
    • Dew Point
      62°
  • Thursday
    Forecast hour icon
    12am
    Partly Cloudy
    65°
    Precip 10%
    12am Thu
    65°
    Feels like 65°
    Current forecast icon
    Partly Cloudy
    • Humidity
      90%
    • Wind
      E 7
    • Dew Point
      62°
  • Forecast hour icon
    1am
    Mostly Clear
    64°
    Precip 10%
    1am Thu
    64°
    Feels like 64°
    Current forecast icon
    Mostly Clear
    • Humidity
      89%
    • Wind
      E 7
    • Dew Point
      61°
  • Forecast hour icon
    2am
    Hazy
    63°
    Precip 10%
    2am Thu
    63°
    Feels like 63°
    Current forecast icon
    Hazy
    • Humidity
      96%
    • Wind
      ESE 7
    • Dew Point
      62°
  • Forecast hour icon
    3am
    Partly Cloudy
    63°
    Precip 10%
    3am Thu
    63°
    Feels like 63°
    Current forecast icon
    Partly Cloudy
    • Humidity
      96%
    • Wind
      ESE 7
    • Dew Point
      62°