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.

Overcast

44°F

7°C

Humidity 58%
Wind Speed S 6 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Feb 1:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • This Afternoon

    This Afternoon: Rain likely, mainly after 3pm. Cloudy, with a high near 49. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Tonight

    Tonight: Rain. Low around 42. Southeast wind 6 to 9 mph becoming east northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 55. Northeast wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 55 °F

    Slight Chance
    Rain then
    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: Mostly cloudy, with a high near 57. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind around 8 mph, with gusts as high as 16 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. South wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Breezy.

    High: 67 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Rain likely, mainly after 3pm. Cloudy, with a high near 49. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 42. Southeast wind 6 to 9 mph becoming east northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 55. Northeast wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
Mostly clear, with a low around 36. Light and variable wind.
Washington's Birthday
Mostly cloudy, with a high near 57. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 41. South wind around 8 mph, with gusts as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 59. South wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 54. Breezy.
Wednesday
Mostly sunny, with a high near 67. Breezy.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
A chance of rain. Mostly sunny, with a high near 64.
Thursday Night
A chance of rain. Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
1:46 pm CST Feb 14, 2026
Forecast Valid:
2pm CST Feb 14, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation