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.

Overcast

51°F

11°C

Humidity 92%
Wind Speed W 18 G 33 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 7 Mar 2:53 pm CST
Extended Forecast for

6 Miles ENE Janesville IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 4pm. Cloudy, with a high near 63. West northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 63 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. West northwest wind 5 to 13 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. South southwest wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. South southwest wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 76 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. Breezy. Chance of precipitation is 90%.

    Low: 58 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 65. Breezy. Chance of precipitation is 100%.

    High: 65 °F

    Showers and
    Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 4pm. Cloudy, with a high near 63. West northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 36. West northwest wind 5 to 13 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 61. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 43. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 71. South southwest wind 9 to 16 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 58. South southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. South southwest wind 9 to 18 mph, with gusts as high as 30 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Breezy. Chance of precipitation is 90%.
Wednesday
Showers. High near 65. Breezy. Chance of precipitation is 100%.
Wednesday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
Mostly cloudy, with a high near 61. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Janesville IL
 39.39°N 88.14°W (Elev. 650 ft)
Last Update:
2:46 pm CST Mar 7, 2026
Forecast Valid:
3pm CST Mar 7, 2026-6pm CDT Mar 13, 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