National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

51°F

11°C

Humidity 66%
Wind Speed S 9 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Feb 6:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 39. South wind around 8 mph, with gusts as high as 16 mph.

    Low: 39 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. South wind 8 to 16 mph, with gusts as high as 29 mph.

    High: 58 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 53. Breezy, with a south wind 16 to 22 mph, with gusts as high as 34 mph.

    Low: 53 °F

    Breezy.
    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 68. Breezy, with a west southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 68 °F

    Sunny and
    Breezy then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Southwest wind around 7 mph becoming south southeast after midnight.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely after noon. Partly sunny, with a high near 67. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Partly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain before midnight. Partly cloudy, with a low around 37. West southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    Low: 37 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 39. South wind around 8 mph, with gusts as high as 16 mph.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. South wind 8 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 53. Breezy, with a south wind 16 to 22 mph, with gusts as high as 34 mph.
Wednesday
Sunny, with a high near 68. Breezy, with a west southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 46. Southwest wind around 7 mph becoming south southeast after midnight.
Thursday
Rain likely after noon. Partly sunny, with a high near 67. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of rain before midnight. Partly cloudy, with a low around 37. West southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 37.
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
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
6:36 pm CST Feb 16, 2026
Forecast Valid:
7pm CST Feb 16, 2026-6pm CST Feb 23, 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