News Headlines
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

87°F

31°C

Humidity 35%
Wind Speed SW 9 mph
Barometer 29.87 in (1011.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 12 Oct 4:53 pm CDT
Extended Forecast for

Mattoon IL

  • Tonight

    Tonight: Mostly clear, with a low around 69. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 5am.  Increasing clouds, with a low around 71. South southwest wind 5 to 7 mph.

    Low: 71 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 7am, then showers between 7am and 4pm, then showers and possibly a thunderstorm after 4pm.  High near 82. Light and variable wind becoming northwest around 6 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 63. Northeast wind 3 to 7 mph.  Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 1pm.  High near 78. East northeast wind around 7 mph becoming south southwest in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am.  Mostly cloudy, with a low around 51. West northwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 63. Breezy.

    High: 63 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 93. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 71. South southwest wind 5 to 7 mph.
Wednesday
Showers likely and possibly a thunderstorm before 7am, then showers between 7am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 82. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Northeast wind 3 to 7 mph. Chance of precipitation is 40%.
Thursday
Showers, with thunderstorms also possible after 1pm. High near 78. East northeast wind around 7 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 51. West northwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph.
Friday
Partly sunny, with a high near 63. Breezy.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.36°W (Elev. 722 ft)
4:36 pm CDT Oct 12, 2026
5pm CDT Oct 12, 2026-6pm CDT Oct 19, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database