National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Fair

46°F

8°C

Humidity 92%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 8 Oct 6:15 am CDT
Extended Forecast for

Marshall IL

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 51. Light and variable wind.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South southeast wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 82. South wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 82 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Showers. Low around 58. East southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers likely before 1pm. Mostly cloudy, with a high near 73. East wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the afternoon.
Tonight
Clear, with a low around 51. Light and variable wind.
Friday
Sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 16 mph.
Friday Night
Mostly clear, with a low around 56. South southeast wind around 7 mph.
Saturday
Increasing clouds, with a high near 82. South wind 5 to 9 mph, with gusts as high as 16 mph.
Saturday Night
Showers. Low around 58. East southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely before 1pm. Mostly cloudy, with a high near 73. East wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marshall IL
 39.4°N 87.71°W (Elev. 610 ft)
Last Update:
6:11 am CDT Oct 8, 2026
Forecast Valid:
6am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation