National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

74°F

23°C

Humidity 56%
Wind Speed S 12 G 23 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Apr 10:53 am CDT
Extended Forecast for

Mattoon IL

  • Today

    Today: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 79. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 34 mph.

    High: 79 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 63. Breezy, with a south wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. South southwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 77. South southwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 79. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 34 mph.
Tonight
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 63. Breezy, with a south wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. South southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 66. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 77. South southwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 59.
Friday
A chance of showers. Mostly sunny, with a high near 83.
Friday Night
Showers likely. Mostly cloudy, with a low around 62.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 76.
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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:
11:31 am CDT Apr 12, 2026
Forecast Valid:
11am CDT Apr 12, 2026-6pm CDT Apr 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