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.

Fog/Mist

10°F

-12°C

Humidity 95%
Wind Speed SW 5 mph
Barometer 30.24 in (1025.1 mb)
Dewpoint 9°F (-13°C)
Visibility 6.00 mi
Wind Chill1°F (-17°C)
Last update 5 Feb 4:53 am CST
Extended Forecast for

Charleston IL

  • Today

    Today: A chance of flurries between noon and 3pm. Patchy freezing fog before 8am. Mostly cloudy, with a high near 29. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 29 °F

    Patchy
    Freezing Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. South wind around 7 mph becoming west after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 38. West wind 8 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 38 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values between 5 and 10. North northwest wind 7 to 11 mph, with gusts as high as 24 mph.

    Low: 14 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 26. North northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Light east southeast wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 16 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40. South wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

Today
A chance of flurries between noon and 3pm. Patchy freezing fog before 8am. Mostly cloudy, with a high near 29. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Tonight
Mostly cloudy, with a low around 23. South wind around 7 mph becoming west after midnight.
Friday
Mostly cloudy, with a high near 38. West wind 8 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values between 5 and 10. North northwest wind 7 to 11 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 26. North northeast wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Mostly cloudy, with a low around 18. Light east southeast wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 16 mph.
Sunday
Mostly sunny, with a high near 40. South wind 5 to 9 mph, with gusts as high as 16 mph.
Sunday Night
Mostly clear, with a low around 24.
Monday
Sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A chance of rain. Cloudy, with a low around 36.
Wednesday
A chance of rain. Cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
4:09 am CST Feb 5, 2026
Forecast Valid:
5am CST Feb 5, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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