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

52°F

11°C

Humidity 38%
Wind Speed S 13 mph
Barometer 30.13 in (1020.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 13 Feb 2:53 pm CST
Extended Forecast for

Mattoon IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. South wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. South wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after noon. Cloudy, with a high near 51. South wind around 6 mph.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely. Patchy fog after 2am. Otherwise, cloudy, with a low around 41. East southeast wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. North northeast wind 5 to 8 mph.

    High: 55 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 57. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 54. South wind 8 to 11 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 34. South wind 5 to 7 mph, with gusts as high as 15 mph.
Saturday
A 30 percent chance of rain, mainly after noon. Cloudy, with a high near 51. South wind around 6 mph.
Saturday Night
Rain likely. Patchy fog after 2am. Otherwise, cloudy, with a low around 41. East southeast wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. North northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 36. Light and variable wind.
Washington's Birthday
Partly sunny, with a high near 57. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Partly sunny, with a high near 60.
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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:
3:16 pm CST Feb 13, 2026
Forecast Valid:
3pm CST Feb 13, 2026-6pm CST Feb 19, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation