0

Hourly Weather Forecast - O'Fallon, IL

  • Temperature
    32°F
    Precipitation
    0%
    Wind
    11mph
    S
    Arrow up

    Mostly Cloudy

    Humidity
    65%
    Feels like
    23°F
    Dew Point
    21°F

  • Partly Cloudy

    Humidity
    63%
    Feels like
    25°F
    Dew Point
    22°F

  • Mostly Cloudy

    Humidity
    65%
    Feels like
    26°F
    Dew Point
    23°F

  • Mostly Cloudy

    Humidity
    68%
    Feels like
    25°F
    Dew Point
    24°F

  • Mostly Cloudy

    Humidity
    71%
    Feels like
    26°F
    Dew Point
    25°F

  • Mostly Cloudy

    Humidity
    74%
    Feels like
    26°F
    Dew Point
    25°F

  • Mostly Cloudy

    Humidity
    77%
    Feels like
    26°F
    Dew Point
    26°F

  • Mostly Clear

    Humidity
    78%
    Feels like
    26°F
    Dew Point
    26°F

  • Mostly Clear

    Humidity
    79%
    Feels like
    27°F
    Dew Point
    27°F

  • Mostly Clear

    Humidity
    79%
    Feels like
    27°F
    Dew Point
    27°F

  • Mostly Clear

    Humidity
    80%
    Feels like
    26°F
    Dew Point
    27°F

Top Stories

Right Arrow
Friday's Weather Outlook

Friday's Weather Outlook

A snow-filled clipper system is set to sweep through the Great Lakes, Ohio Valley, and Mid-Atlantic.

Read More
Weekend Weather Preview

Weekend Weather Preview

Read More
Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Read More
Image courtesy of Pixabay.com

All About Snow Squalls

Read More
A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Read More
Windchill chart

Dangers of Wind Chills

Read More
More NewsRight Arrow
loading ad...
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