Alton, Illinois | Local and National Hourly Weather Forecasts | WeatherBug
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  • Wednesday
    Forecast hour icon
    10pm
    Clear
    50°
    Precip 0%
    10pm Wed
    50°
    Feels like 50°
    Current forecast icon
    Clear
    • Humidity
      83%
    • Wind
      ENE 8
    • Dew Point
      45°
  • Forecast hour icon
    11pm
    Clear
    48°
    Precip 0%
    11pm Wed
    48°
    Feels like 45°
    Current forecast icon
    Clear
    • Humidity
      87%
    • Wind
      ENE 8
    • Dew Point
      45°
  • Thursday
    Forecast hour icon
    12am
    Clear
    47°
    Precip 0%
    12am Thu
    47°
    Feels like 43°
    Current forecast icon
    Clear
    • Humidity
      88%
    • Wind
      E 9
    • Dew Point
      44°
  • Forecast hour icon
    1am
    Clear
    46°
    Precip 0%
    1am Thu
    46°
    Feels like 42°
    Current forecast icon
    Clear
    • Humidity
      88%
    • Wind
      E 9
    • Dew Point
      43°
  • Forecast hour icon
    2am
    Clear
    46°
    Precip 0%
    2am Thu
    46°
    Feels like 41°
    Current forecast icon
    Clear
    • Humidity
      88%
    • Wind
      E 9
    • Dew Point
      42°
  • Forecast hour icon
    3am
    Mostly Clear
    45°
    Precip 0%
    3am Thu
    45°
    Feels like 40°
    Current forecast icon
    Mostly Clear
    • Humidity
      87%
    • Wind
      E 8
    • Dew Point
      41°
  • Forecast hour icon
    4am
    Clear
    44°
    Precip 0%
    4am Thu
    44°
    Feels like 40°
    Current forecast icon
    Clear
    • Humidity
      85%
    • Wind
      E 8
    • Dew Point
      40°
  • Forecast hour icon
    5am
    Clear
    43°
    Precip 0%
    5am Thu
    43°
    Feels like 39°
    Current forecast icon
    Clear
    • Humidity
      85%
    • Wind
      E 8
    • Dew Point
      39°
  • Forecast hour icon
    6am
    Clear
    44°
    Precip 0%
    6am Thu
    44°
    Feels like 39°
    Current forecast icon
    Clear
    • Humidity
      84%
    • Wind
      E 8
    • Dew Point
      39°
  • 6:09a
    Forecast hour icon
    7am
    Mostly Sunny
    46°
    Precip 0%
    7am Thu
    46°
    Feels like 41°
    Current forecast icon
    Mostly Sunny
    • Humidity
      79%
    • Wind
      E 9
    • Dew Point
      39°
  • Forecast hour icon
    8am
    Sunny
    49°
    Precip 0%
    8am Thu
    49°
    Feels like 45°
    Current forecast icon
    Sunny
    • Humidity
      71%
    • Wind
      ESE 9
    • Dew Point
      40°
  • Forecast hour icon
    9am
    Mostly Sunny
    53°
    Precip 0%
    9am Thu
    53°
    Feels like 53°
    Current forecast icon
    Mostly Sunny
    • Humidity
      64%
    • Wind
      ESE 9
    • Dew Point
      41°