Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

40°F

4°C

Humidity 65%
Wind Speed Calm
Barometer 30.37 in (1028.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 28 Mar 11:53 pm CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Increasing clouds, with a low around 38. South wind around 9 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 64. South southwest wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. South southwest wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 53 °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 31 mph.

    High: 76 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South southwest wind 16 to 18 mph, with gusts as high as 32 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 79. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 37 mph.

    High: 79 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 43. Southwest wind 15 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Overnight
Increasing clouds, with a low around 38. South wind around 9 mph, with gusts as high as 17 mph.
Sunday
Mostly sunny, with a high near 64. South southwest wind 8 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 53. South southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 76. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 63. South southwest wind 16 to 18 mph, with gusts as high as 32 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 37 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 43. Southwest wind 15 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 51.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39.
Thursday
Showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42.
Friday
A chance of showers. Mostly cloudy, with a high near 66.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51.
Saturday
Showers likely. Mostly cloudy, with a high near 67. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
11:56 pm CDT Mar 28, 2026
12am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
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Additional Resources

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