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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

79°F

26°C

Humidity 32%
Wind Speed SE 14 mph
Barometer 30.07 in (1017.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Oct 1:53 pm CDT
Extended Forecast for

Casey IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 78. Southeast wind around 10 mph, with gusts as high as 16 mph.

    High: 78 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. East wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. North wind 5 to 7 mph.

    High: 82 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 91. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 67. South southwest wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Cloudy, with a high near 78. Southeast wind around 10 mph, with gusts as high as 16 mph.
Tonight
Mostly cloudy, with a low around 57. East wind 6 to 10 mph, with gusts as high as 17 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 57. Light and variable wind.
Columbus Day
Sunny, with a high near 91. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 67. South southwest wind 8 to 10 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 91. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Showers likely, mainly after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Thursday
Showers likely. Mostly cloudy, with a high near 77.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54.
Friday
A chance of showers. Partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casey IL
 39.3°N 88°W (Elev. 643 ft)
Last Update:
1:36 pm CDT Oct 10, 2026
Forecast Valid:
2pm CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
Forecast Discussion
 
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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