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

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Mostly Cloudy

66°F

19°C

Humidity 28%
Wind Speed S 13 G 22 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Mar 5:53 pm CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. South southwest wind 15 to 17 mph, with gusts as high as 29 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Breezy, with a south southwest wind 18 to 25 mph, with gusts as high as 40 mph.

    High: 81 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers after 1am. Low around 51. South southwest wind 13 to 16 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    T-storms

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm. High near 61. North northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 50. East northeast wind 14 to 16 mph becoming southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: Showers. High near 66. Breezy. Chance of precipitation is 80%.

    High: 66 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 76. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 62. South southwest wind 15 to 17 mph, with gusts as high as 29 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Breezy, with a south southwest wind 18 to 25 mph, with gusts as high as 40 mph.
Tuesday Night
Showers and thunderstorms likely, then showers after 1am. Low around 51. South southwest wind 13 to 16 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 1pm. High near 61. North northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 50. East northeast wind 14 to 16 mph becoming southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers. High near 66. Breezy. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54.
Saturday
Showers likely. Mostly cloudy, with a high near 71. Breezy.
Saturday Night
Showers likely. Mostly cloudy, with a low around 48.
Sunday
A chance of showers. Mostly cloudy, with a high near 59. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.51°N 88.27°W (Elev. 656 ft)
Last Update:
5:52 pm CDT Mar 29, 2026
Forecast Valid:
6pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation