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

25°F

-4°C

Humidity 81%
Wind Speed S 10 mph
Barometer 30.35 in (1028.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 12 Jan 2:53 am CST
Extended Forecast for

Mattoon IL

  • Overnight

    Overnight: Clear, with a low around 23. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 46. South southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 54. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 54 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. West southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow showers after noon. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. Blustery, with a north northwest wind 17 to 22 mph, with gusts as high as 34 mph.

    Low: 15 °F

    Partly Cloudy
    and Blustery

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 23. South wind 10 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 46. South southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 33. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 54. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 36. West southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
A chance of rain and snow showers after noon. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 15. Blustery, with a north northwest wind 17 to 22 mph, with gusts as high as 34 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 21.
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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:
3:24 am CST Jan 12, 2026
Forecast Valid:
3am CST Jan 12, 2026-6pm CST Jan 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