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

8°F

-13°C

Humidity 76%
Wind Speed N 6 mph
Barometer 30.26 in (1026.2 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 29 Jan 2:53 am CST
Extended Forecast for

Charleston IL

  • Overnight

    Overnight: Mostly cloudy, with a low around -1. Light north wind.

    Low: -1 °F

    Mostly Cloudy

  • Thursday

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

    High: 18 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around -2. Wind chill values between -4 and -14. North wind 3 to 6 mph.

    Low: -2 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 13. Wind chill values between -2 and -12. North wind 5 to 8 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0. 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 8 to 13 mph, with gusts as high as 22 mph.

    High: 17 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2. Northwest wind 3 to 7 mph.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around -1. Light north wind.
Thursday
Mostly cloudy, with a high near 18. Wind chill values between -6 and 4. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around -2. Wind chill values between -4 and -14. North wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 13. Wind chill values between -2 and -12. North wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 0. North wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 17. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 2. Northwest wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 22.
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 15.
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
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
3:21 am CST Jan 29, 2026
Forecast Valid:
3am CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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