Alton, Illinois | Local and National Hourly Weather Forecasts | WeatherBug
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  • Wednesday
    7:40p
    Forecast hour icon
    8pm
    Clear
    71°
    Precip 0%
    8pm Wed
    71°
    Feels like 71°
    Current forecast icon
    Clear
    • Humidity
      51%
    • Wind
      NW 7
    • Dew Point
      52°
  • Forecast hour icon
    9pm
    Clear
    69°
    Precip 0%
    9pm Wed
    69°
    Feels like 69°
    Current forecast icon
    Clear
    • Humidity
      54%
    • Wind
      NNW 6
    • Dew Point
      52°
  • Forecast hour icon
    10pm
    Clear
    67°
    Precip 0%
    10pm Wed
    67°
    Feels like 67°
    Current forecast icon
    Clear
    • Humidity
      58%
    • Wind
      N 4
    • Dew Point
      51°
  • Forecast hour icon
    11pm
    Clear
    65°
    Precip 0%
    11pm Wed
    65°
    Feels like 65°
    Current forecast icon
    Clear
    • Humidity
      62%
    • Wind
      NNE 4
    • Dew Point
      51°
  • Thursday
    Forecast hour icon
    12am
    Clear
    64°
    Precip 0%
    12am Thu
    64°
    Feels like 64°
    Current forecast icon
    Clear
    • Humidity
      64%
    • Wind
      NE 5
    • Dew Point
      51°
  • Forecast hour icon
    1am
    Clear
    62°
    Precip 0%
    1am Thu
    62°
    Feels like 62°
    Current forecast icon
    Clear
    • Humidity
      66%
    • Wind
      NE 6
    • Dew Point
      51°
  • Forecast hour icon
    2am
    Clear
    61°
    Precip 0%
    2am Thu
    61°
    Feels like 61°
    Current forecast icon
    Clear
    • Humidity
      68%
    • Wind
      ENE 7
    • Dew Point
      50°
  • Forecast hour icon
    3am
    Clear
    60°
    Precip 0%
    3am Thu
    60°
    Feels like 60°
    Current forecast icon
    Clear
    • Humidity
      70%
    • Wind
      E 7
    • Dew Point
      50°
  • Forecast hour icon
    4am
    Mostly Clear
    59°
    Precip 0%
    4am Thu
    59°
    Feels like 59°
    Current forecast icon
    Mostly Clear
    • Humidity
      71%
    • Wind
      ESE 8
    • Dew Point
      49°
  • Forecast hour icon
    5am
    Partly Cloudy
    58°
    Precip 0%
    5am Thu
    58°
    Feels like 58°
    Current forecast icon
    Partly Cloudy
    • Humidity
      72%
    • Wind
      ESE 8
    • Dew Point
      49°
  • Forecast hour icon
    6am
    Partly Cloudy
    58°
    Precip 0%
    6am Thu
    58°
    Feels like 58°
    Current forecast icon
    Partly Cloudy
    • Humidity
      73%
    • Wind
      ESE 9
    • Dew Point
      49°
  • 6:18a
    Forecast hour icon
    7am
    Partly Cloudy
    60°
    Precip 0%
    7am Thu
    60°
    Feels like 60°
    Current forecast icon
    Partly Cloudy
    • Humidity
      70%
    • Wind
      ESE 10
    • Dew Point
      50°