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

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

40°F

4°C

Humidity 97%
Wind Speed W 7 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 12 Nov 2:53 am CST
Extended Forecast for

Casey IL

  • Overnight

    Overnight: Partly cloudy, with a low around 40. Northwest wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Isolated showers after 10am. Mostly cloudy, with a high near 49. North northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 49 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. North northwest wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 44. North northwest wind 10 to 15 mph, with gusts as high as 22 mph.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. North northwest wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. Northwest wind 3 to 7 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 25. Calm wind.

    Low: 25 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. Northwest wind 8 to 10 mph, with gusts as high as 17 mph.
Thursday
Isolated showers after 10am. Mostly cloudy, with a high near 49. North northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 33. North northwest wind 13 to 17 mph, with gusts as high as 28 mph.
Friday
Mostly cloudy, with a high near 44. North northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 27. North northwest wind 6 to 9 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 47. Northwest wind 3 to 7 mph.
Saturday Night
Clear, with a low around 25. Calm wind.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 52.
Monday Night
Clear, with a low around 26.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Clear, with a low around 27.
Wednesday
Sunny, with a high near 57.
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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:
3:06 am CST Nov 12, 2026
Forecast Valid:
3am CST Nov 12, 2026-6pm CST Nov 18, 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