0

Hourly Weather Forecast - Petersburg, IL

  • Temperature
    82°F
    Precipitation
    0%
    Wind
    9mph
    SSW
    Arrow up

    Sunny

    Humidity
    30%
    Feels like
    80°F
    Dew Point
    47°F

  • Sunny

    Humidity
    27%
    Feels like
    82°F
    Dew Point
    47°F

  • Sunny

    Humidity
    27%
    Feels like
    82°F
    Dew Point
    47°F

  • Sunny

    Humidity
    29%
    Feels like
    81°F
    Dew Point
    47°F

  • Sunny

    Humidity
    33%
    Feels like
    79°F
    Dew Point
    48°F

  • Sunny

    Humidity
    37%
    Feels like
    77°F
    Dew Point
    49°F

  • Clear

    Humidity
    43%
    Feels like
    74°F
    Dew Point
    49°F

  • Clear

    Humidity
    49%
    Feels like
    70°F
    Dew Point
    50°F

  • Clear

    Humidity
    54%
    Feels like
    68°F
    Dew Point
    50°F

  • Clear

    Humidity
    57%
    Feels like
    67°F
    Dew Point
    51°F

Top Stories

Right Arrow
Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Read More
Weekend Weather Outlook

Weekend Weather Outlook

Read More
Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

Read More
(Image provided by Pixabay.com)

Lightning Safety

Read More
A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Read More
Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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