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

3°F

-16°C

Humidity 79%
Wind Speed N 6 mph
Barometer 30.27 in (1026.3 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 29 Jan 5:53 am CST
Extended Forecast for

Charleston IL

  • Today

    Today: Mostly cloudy, with a high near 18. Wind chill values between -6 and 4. Calm wind becoming north around 5 mph in the afternoon.

    High: 18 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around -2. Wind chill values between -7 and -12. North wind 3 to 5 mph.

    Low: -2 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 14. Wind chill values between -2 and -12. North wind 5 to 8 mph.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0. Wind chill values between -4 and -14. North wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 17 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2. Northwest wind 3 to 6 mph.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 22. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 22 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 18. Wind chill values between -6 and 4. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around -2. Wind chill values between -7 and -12. North wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 14. Wind chill values between -2 and -12. North wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 0. Wind chill values between -4 and -14. North wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 17. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 2. Northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 22. Light and variable wind becoming southwest around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
A chance of snow. Cloudy, with a low around 19.
Wednesday
A chance of snow. Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.48°N 88.16°W (Elev. 699 ft)
Last Update:
3:21 am CST Jan 29, 2026
Forecast Valid:
6am CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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Additional Resources

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