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

0°F

-18°C

Humidity 79%
Wind Speed W 6 mph
Barometer 30.31 in (1028.2 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 28 Jan 6:53 am CST
Extended Forecast for

Charleston IL

Cold Weather Advisory January 28, 07:20am until January 28, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 28, 07:20am until January 28, 10:00am

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Today

    High: 18 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -1. Wind chill values between -6 and -11. West wind around 6 mph becoming light and variable after midnight.

    Low: -1 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 16. Wind chill values between zero and 10. Light north wind.

    High: 16 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -3. Wind chill values between -7 and -12. Calm wind becoming north around 5 mph after midnight.

    Low: -3 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. North wind 5 to 8 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: -1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 18. Wind chill values between -6 and -16. West wind 7 to 14 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around -1. Wind chill values between -6 and -11. West wind around 6 mph becoming light and variable after midnight.
Thursday
Mostly cloudy, with a high near 16. Wind chill values between zero and 10. Light north wind.
Thursday Night
Mostly cloudy, with a low around -3. Wind chill values between -7 and -12. Calm wind becoming north around 5 mph after midnight.
Friday
Mostly sunny, with a high near 13. North wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around -1. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 15. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 9.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
6:36 am CST Jan 28, 2026
Forecast Valid:
7am CST Jan 28, 2026-6pm CST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation