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

47°F

8°C

Humidity 83%
Wind Speed S 12 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Feb 9:53 am CST
Extended Forecast for

Casey ILSimilar City Names

  • Today

    Today: Cloudy, with a high near 56. South wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 56 °F

    Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 53. Breezy, with a south wind 15 to 21 mph, with gusts as high as 39 mph.

    Low: 53 °F

    Breezy.
    Cloudy then
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 69. Breezy, with a west southwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Increasing clouds, with a low around 47. South wind around 6 mph.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67. South wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance Rain
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37. West wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 56. South wind 11 to 15 mph, with gusts as high as 28 mph.
Tonight
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 53. Breezy, with a south wind 15 to 21 mph, with gusts as high as 39 mph.
Wednesday
Sunny, with a high near 69. Breezy, with a west southwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
A 30 percent chance of rain after midnight. Increasing clouds, with a low around 47. South wind around 6 mph.
Thursday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67. South wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37. West wind 11 to 16 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 49. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casey ILSimilar City Names
 39.3°N 88°W (Elev. 643 ft)
Last Update:
6:36 am CST Feb 17, 2026
Forecast Valid:
10am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
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