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

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

66°F

19°C

Humidity 61%
Wind Speed W 6 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 7 Oct 8:53 pm CDT
Extended Forecast for

Casey IL

  • Tonight

    Tonight: Clear, with a low around 54. North wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 54 °F

    Clear

  • Thursday

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

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85. South southeast wind 5 to 9 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South southeast wind around 7 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85. South wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers. Low around 57. East wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 54. North wind 3 to 7 mph. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 82. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 53. Light and variable wind.
Friday
Sunny, with a high near 85. South southeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 58. South southeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 85. South wind 6 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Showers. Low around 57. East wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casey IL
 39.3°N 87.97°W (Elev. 627 ft)
Last Update:
7:36 pm CDT Oct 7, 2026
Forecast Valid:
9pm CDT Oct 7, 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