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.

Overcast

21°F

-6°C

Humidity 81%
Wind Speed S 9 mph
Barometer 30.17 in (1022.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 1 Feb 10:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 1am. Cloudy, with a low around 19. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 19 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 30. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.

    High: 30 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 28. Calm wind becoming north northeast 5 to 8 mph in the morning.

    High: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11. North wind around 6 mph.

    Low: 11 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 24. North wind around 6 mph.

    High: 24 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Light west wind.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before 1am. Cloudy, with a low around 19. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly cloudy, with a high near 30. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 18. Calm wind.
Tuesday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 28. Calm wind becoming north northeast 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 11. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 24. North wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 8. Light west wind.
Thursday
Partly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.51°N 88.27°W (Elev. 656 ft)
Last Update:
11:37 pm CST Feb 1, 2026
Forecast Valid:
11pm CST Feb 1, 2026-6pm CST Feb 8, 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