0

Hourly Weather Forecast - Alton, IL

  • Temperature
    51°F
    Precipitation
    0%
    Wind
    9mph
    SSW
    Arrow up

    Partly Cloudy

    Humidity
    55%
    Feels like
    51°F
    Dew Point
    36°F

  • Partly Cloudy

    Humidity
    56%
    Feels like
    51°F
    Dew Point
    37°F

  • Mostly Cloudy

    Humidity
    59%
    Feels like
    50°F
    Dew Point
    37°F

  • Mostly Cloudy

    Humidity
    61%
    Feels like
    45°F
    Dew Point
    37°F

  • Mostly Cloudy

    Humidity
    62%
    Feels like
    44°F
    Dew Point
    36°F

  • Partly Cloudy

    Humidity
    62%
    Feels like
    43°F
    Dew Point
    36°F

  • Partly Cloudy

    Humidity
    63%
    Feels like
    43°F
    Dew Point
    36°F

  • Mostly Cloudy

    Humidity
    63%
    Feels like
    43°F
    Dew Point
    36°F

  • Mostly Cloudy

    Humidity
    63%
    Feels like
    42°F
    Dew Point
    36°F

  • Mostly Cloudy

    Humidity
    64%
    Feels like
    42°F
    Dew Point
    36°F

Top Stories

Right Arrow
Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

​A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Read More
Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Read More
Today's Weather Outlook

Today's Weather Outlook

Read More
Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

Read More
A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

Read More
People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Read More
More NewsRight Arrow
Today's National Outlook
Hurricane Tracker
Allergy Forecast
Cold & Flu
Snow & Ski Forecast
Fire Updates
Traffic Cameras
Weather Cameras
Traffic Cameras
Weather Cameras
Outdoor Sports Guide