0

Hourly Weather Forecast - Sullivan, IL

  • Temperature
    20°F
    Precipitation
    0%
    Wind
    1mph
    E
    Arrow up

    Mostly Clear

    Humidity
    88%
    Feels like
    20°F
    Dew Point
    17°F

  • Mostly Clear

    Humidity
    89%
    Feels like
    19°F
    Dew Point
    16°F

  • Partly Cloudy

    Humidity
    87%
    Feels like
    19°F
    Dew Point
    15°F

  • Partly Cloudy

    Humidity
    87%
    Feels like
    14°F
    Dew Point
    15°F

  • Partly Cloudy

    Humidity
    87%
    Feels like
    13°F
    Dew Point
    16°F

  • Partly Cloudy

    Humidity
    89%
    Feels like
    12°F
    Dew Point
    17°F

  • Partly Cloudy

    Humidity
    89%
    Feels like
    12°F
    Dew Point
    18°F

Top Stories

Right Arrow
Rainfall Forecast for Northwest through Thursday

Persistent, Flooding Rain Impacts the Northwest

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

Read More
Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

Read More
Tuesday's Weather Outlook

Tuesday'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