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

10°F

-12°C

Humidity 63%
Wind Speed SW 3 mph
Barometer 30.39 in (1030.7 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 20 Jan 3:53 am CST
Extended Forecast for

Mattoon IL

  • Today

    Today: Increasing clouds, with a high near 29. Wind chill values between -3 and 7. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 29 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 41. West southwest wind 10 to 17 mph, with gusts as high as 29 mph.

    High: 41 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. West southwest wind 9 to 14 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7. Northwest wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 12. North wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 12 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 12.

    High: 12 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 29. Wind chill values between -3 and 7. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 24. South wind 11 to 17 mph, with gusts as high as 28 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 41. West southwest wind 10 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 21. West southwest wind 9 to 14 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 31. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 7. Northwest wind 5 to 10 mph, with gusts as high as 17 mph.
Friday
Mostly cloudy, with a high near 12. North wind 11 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 12.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.47°N 88.36°W (Elev. 728 ft)
Last Update:
3:36 am CST Jan 20, 2026
Forecast Valid:
4am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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