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

51°F

11°C

Humidity 69%
Wind Speed S 12 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 21 Apr 4:53 am CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Today

    Today: Mostly sunny, with a high near 76. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 76 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 18 mph.

    High: 74 °F

    Chance
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 7 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. South wind 8 to 16 mph, with gusts as high as 29 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 24 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm. High near 73. South southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 7 mph.
Thursday
Sunny, with a high near 79. South wind 8 to 16 mph, with gusts as high as 29 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 24 mph.
Friday
Showers, with thunderstorms also possible after 1pm. High near 73. South southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72.
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:
4:31 am CDT Apr 21, 2026
Forecast Valid:
5am CDT Apr 21, 2026-6pm CDT Apr 27, 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