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.

Overcast

60°F

16°C

Humidity 86%
Wind Speed S 12 G 24 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 9 Mar 1:53 pm CDT
Extended Forecast for

Mattoon IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. South wind around 17 mph, with gusts as high as 28 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 76. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 56. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    T-storms
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Temperature rising to near 63 by 10am, then falling to around 47 during the remainder of the day. Breezy, with a southwest wind 17 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 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 30. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48. Northwest wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 48 °F

    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 57. Breezy.

    High: 57 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. South wind around 17 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 60. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 76. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 56. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. 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 47 during the remainder of the day. Breezy, with a southwest wind 17 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 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 30. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 48. Northwest wind 6 to 9 mph becoming west southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40. Breezy.
Friday
Mostly cloudy, with a high near 57. Breezy.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 61. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.39°W (Elev. 732 ft)
Last Update:
2:05 pm CDT Mar 9, 2026
Forecast Valid:
2pm CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation