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

44°F

7°C

Humidity 49%
Wind Speed SE 9 mph
Barometer 30.62 in (1037.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 28 Mar 11:53 am CDT
Extended Forecast for

Mattoon IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 51. South southeast wind 6 to 8 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South southeast wind 7 to 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 10 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 wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 77 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 30 mph.

    Low: 63 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • 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 20 to 23 mph, with gusts as high as 41 mph.

    High: 79 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 45. Breezy. Chance of precipitation is 90%.

    Low: 45 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 51. South southeast wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 38. South southeast wind 7 to 9 mph, with gusts as high as 17 mph.
Sunday
Mostly sunny, with a high near 64. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 53. South wind 11 to 14 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 77. 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. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 30 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 20 to 23 mph, with gusts as high as 41 mph.
Tuesday Night
Rain and possibly a thunderstorm. Low around 45. Breezy. Chance of precipitation is 90%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 54.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly cloudy, with a high near 53.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Mostly cloudy, with a high near 64.
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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:
10:46 am CDT Mar 28, 2026
Forecast Valid:
12pm CDT Mar 28, 2026-6pm CDT Apr 3, 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