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.

Fair

26°F

-3°C

Humidity 66%
Wind Speed NW 16 mph
Barometer 30.24 in (1024.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 21 Feb 10:53 pm CST
Extended Forecast for

Casey IL

  • Tonight

    Tonight: A chance of flurries after midnight. Increasing clouds, with a low around 21. Northwest wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Chance
    Flurries

  • Sunday

    Sunday: Mostly cloudy, with a high near 29. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 32 mph.

    High: 29 °F

    Mostly Cloudy
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. Wind chill values between 1 and 11. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 32. Wind chill values between 1 and 11. Northwest wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Northwest wind around 6 mph becoming calm.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 44. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 44 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of flurries after midnight. Increasing clouds, with a low around 21. Northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 29. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Mostly cloudy, with a low around 17. Wind chill values between 1 and 11. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 32. Wind chill values between 1 and 11. Northwest wind 8 to 18 mph, with gusts as high as 28 mph.
Monday Night
Increasing clouds, with a low around 18. Northwest wind around 6 mph becoming calm.
Tuesday
Partly sunny, with a high near 44. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casey IL
 39.3°N 88°W (Elev. 643 ft)
Last Update:
9:36 pm CST Feb 21, 2026
Forecast Valid:
11pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
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Additional Resources

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Chance of Precipitation