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

46°F

8°C

Humidity 54%
Wind Speed W 3 mph
Barometer 30.28 in (1025.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 12 Feb 12:53 pm CST
Extended Forecast for

Mattoon IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 47. Southwest wind 5 to 7 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. South southeast wind 3 to 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 53. South wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. South wind 5 to 7 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Cloudy, with a high near 50. South southeast wind around 6 mph.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a low around 40. East southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 54. North northeast wind 6 to 8 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 47. Southwest wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 30. South southeast wind 3 to 6 mph.
Friday
Sunny, with a high near 53. South wind 6 to 14 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 33. South wind 5 to 7 mph.
Saturday
A 30 percent chance of rain after noon. Cloudy, with a high near 50. South southeast wind around 6 mph.
Saturday Night
Rain likely. Cloudy, with a low around 40. East southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly sunny, with a high near 54. North northeast wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 34.
Washington's Birthday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 65. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.39°W (Elev. 732 ft)
Last Update:
1:16 pm CST Feb 12, 2026
Forecast Valid:
1pm CST Feb 12, 2026-6pm CST Feb 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