Alton, Illinois | Local and National Hourly Weather Forecasts | WeatherBug
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  • Thursday
    Forecast hour icon
    4am
    Clear
    38°
    Precip 0%
    4am Thu
    38°
    Feels like 38°
    Current forecast icon
    Clear
    • Humidity
      74%
    • Wind
      SW 2
    • Dew Point
      31°
  • Forecast hour icon
    5am
    Clear
    37°
    Precip 0%
    5am Thu
    37°
    Feels like 37°
    Current forecast icon
    Clear
    • Humidity
      77%
    • Wind
      S 2
    • Dew Point
      31°
  • Forecast hour icon
    6am
    Clear
    36°
    Precip 0%
    6am Thu
    36°
    Feels like 36°
    Current forecast icon
    Clear
    • Humidity
      80%
    • Wind
      SSE 3
    • Dew Point
      30°
  • 6:50a
    Forecast hour icon
    7am
    Sunny
    36°
    Precip 0%
    7am Thu
    36°
    Feels like 34°
    Current forecast icon
    Sunny
    • Humidity
      77%
    • Wind
      SSE 4
    • Dew Point
      30°
  • Forecast hour icon
    8am
    Sunny
    39°
    Precip 0%
    8am Thu
    39°
    Feels like 36°
    Current forecast icon
    Sunny
    • Humidity
      73%
    • Wind
      S 4
    • Dew Point
      32°
  • Forecast hour icon
    9am
    Sunny
    44°
    Precip 0%
    9am Thu
    44°
    Feels like 41°
    Current forecast icon
    Sunny
    • Humidity
      69%
    • Wind
      S 6
    • Dew Point
      35°
  • Forecast hour icon
    10am
    Sunny
    49°
    Precip 0%
    10am Thu
    49°
    Feels like 46°
    Current forecast icon
    Sunny
    • Humidity
      60%
    • Wind
      SSW 8
    • Dew Point
      36°
  • Forecast hour icon
    11am
    Sunny
    53°
    Precip 0%
    11am Thu
    53°
    Feels like 53°
    Current forecast icon
    Sunny
    • Humidity
      54%
    • Wind
      SSW 9
    • Dew Point
      37°
  • Forecast hour icon
    12pm
    Sunny
    56°
    Precip 0%
    12pm Thu
    56°
    Feels like 56°
    Current forecast icon
    Sunny
    • Humidity
      46%
    • Wind
      SW 10
    • Dew Point
      36°
  • Forecast hour icon
    1pm
    Sunny
    59°
    Precip 0%
    1pm Thu
    59°
    Feels like 59°
    Current forecast icon
    Sunny
    • Humidity
      42%
    • Wind
      WSW 10
    • Dew Point
      36°
  • Forecast hour icon
    2pm
    Sunny
    60°
    Precip 0%
    2pm Thu
    60°
    Feels like 60°
    Current forecast icon
    Sunny
    • Humidity
      41%
    • Wind
      WSW 10
    • Dew Point
      36°
  • Forecast hour icon
    3pm
    Sunny
    61°
    Precip 0%
    3pm Thu
    61°
    Feels like 61°
    Current forecast icon
    Sunny
    • Humidity
      41%
    • Wind
      WSW 11
    • Dew Point
      37°