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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed S 3 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 7:53 pm CDT
Extended Forecast for

Mattoon IL

  • Tonight

    Tonight: Increasing clouds, with a low around 60. Calm wind becoming south southwest 5 to 7 mph after midnight.

    Low: 60 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 91. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 91 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. West southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Southwest wind around 6 mph.

    Low: 69 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm. High near 82. West wind around 6 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 61. Northeast wind 6 to 9 mph.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. Calm wind becoming south southwest 5 to 7 mph after midnight.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 91. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 70. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 92. West southwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Southwest wind around 6 mph.
Wednesday
Showers, with thunderstorms also possible after 1pm. High near 82. West wind around 6 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61. Northeast wind 6 to 9 mph.
Thursday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 76. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 65. Breezy.
Friday Night
Partly cloudy, with a low around 38. Breezy.
Saturday
Sunny, with a high near 58.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 66.
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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:
7:36 pm CDT Oct 11, 2026
Forecast Valid:
8pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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