Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48° N Lon: 88.28° W Elev: 722 ft.

Fair and Breezy

82°F

28°C

Humidity 28%
Wind Speed W 22 G 37 mph
Barometer 29.81 in (1008.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Mar 4:53 pm CDT
Detailed forecast for

Coles County

Tonight
Partly cloudy. Lows in the mid 40s. North winds 5 to 10 mph, becoming northeast after midnight.
Saturday
Sunny. Highs in the mid 70s. East winds around 5 mph, becoming southwest in the afternoon.
Saturday Night
Mostly clear. Not as cool with lows in the upper 50s. Southwest winds 5 to 10 mph.
Sunday
Mostly sunny. Highs in the lower 80s. Southwest winds 10 to 15 mph, becoming west 15 to 20 mph in the afternoon.
Sunday Night
Mostly cloudy in the evening, then clearing. Much cooler with lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph.
Monday
Sunny. Much cooler with highs in the lower 50s.
Monday Night
Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 30s.
Tuesday Through Wednesday
Mostly cloudy. Highs in the upper 50s. Lows around 40.
Wednesday Night
Mostly cloudy. Lows in the upper 40s.
Thursday
Mostly sunny. Not as cool with highs in the mid 70s.
Thursday Night
Mostly cloudy with a 50 percent chance of rain. Cooler with lows in the upper 30s.
Friday
Partly sunny. Much cooler with highs in the upper 40s.



Basemap Options
Click map to change the forecast location
Loading map...
437 PM CDT Fri Mar 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database