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

51°F

11°C

Humidity 83%
Wind Speed S 13 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 9 Mar 8:53 am CDT
Extended Forecast for

Mattoon IL

  • Today

    Today: Increasing clouds, with a high near 73. South southwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 73 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 59. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 77. South southwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Temperature rising to near 63 by 10am, then falling to around 46 during the remainder of the day. Breezy, with a southwest wind 18 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 63 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a north northwest wind 11 to 20 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. Northwest wind around 9 mph becoming southwest in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 58. Breezy.

    High: 58 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Increasing clouds, with a high near 73. South southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 59. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 77. South southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Temperature rising to near 63 by 10am, then falling to around 46 during the remainder of the day. Breezy, with a southwest wind 18 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a north northwest wind 11 to 20 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 48. Northwest wind around 9 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40. Breezy.
Friday
Mostly cloudy, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 63. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.39°W (Elev. 732 ft)
Last Update:
8:46 am CDT Mar 9, 2026
Forecast Valid:
9am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation