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.

Fog/Mist

33°F

1°C

Humidity 100%
Wind Speed W 3 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 33°F (1°C)
Visibility 1.75 mi
Last update 7 Jan 3:53 am CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. Light and variable wind becoming south southwest 5 to 8 mph in the morning.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 40. South wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Cloudy, with a high near 62. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Slight Chance
    Rain then
    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: Rain, mainly before midnight. Low around 52. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Breezy. Rain
    then Chance
    Rain

  • Friday

    Friday: Partly sunny, with a temperature falling to around 51 by 5pm. Southwest wind 7 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 59 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 40. North northeast wind 6 to 8 mph.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain before noon. Partly sunny, with a high near 45. West wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 45 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. Light and variable wind becoming south southwest 5 to 8 mph in the morning.
Tonight
Increasing clouds, with a low around 40. South wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Rain likely, mainly after 5pm. Cloudy, with a high near 62. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly before midnight. Low around 52. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a temperature falling to around 51 by 5pm. Southwest wind 7 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 40. North northeast wind 6 to 8 mph.
Saturday
A 30 percent chance of rain before noon. Partly sunny, with a high near 45. West wind 9 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 45.
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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:
3:26 am CST Jan 7, 2026
Forecast Valid:
4am CST Jan 7, 2026-6pm CST Jan 13, 2026
 
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