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

31°F

-1°C

Humidity 76%
Wind Speed SW 3 mph
Barometer 30.27 in (1025.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 12 Feb 3:53 am CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Today

    Today: Mostly cloudy, with a high near 46. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. South southeast wind 3 to 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 51. South wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 51 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 31. South wind 3 to 5 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Cloudy, with a high near 50. South southeast wind 3 to 7 mph.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Cloudy, with a low around 38. Southeast wind around 7 mph becoming northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 54. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 46. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 29. South southeast wind 3 to 6 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 51. South wind 5 to 10 mph, with gusts as high as 16 mph.
Friday Night
Increasing clouds, with a low around 31. South wind 3 to 5 mph.
Saturday
A 30 percent chance of rain after noon. Cloudy, with a high near 50. South southeast wind 3 to 7 mph.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 38. Southeast wind around 7 mph becoming northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly sunny, with a high near 54. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 32.
Washington's Birthday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly cloudy, with a high near 62. 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:
4:11 am CST Feb 12, 2026
Forecast Valid:
4am CST Feb 12, 2026-6pm CST Feb 18, 2026
 
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