Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
77°F
25°C
| Humidity | 35% |
| Wind Speed | S 9 mph |
| Barometer | 29.85 in (1010.4 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 21 Mar 1:53 pm CDT |
Extended Forecast for
Mattoon IL
This Afternoon

High: 80 °F
Sunny
Tonight

Low: 61 °F
Mostly Clear
Sunday
High: 80 °F
Mostly Sunny
then Slight
Chance
T-storms and
BreezySunday Night
Low: 33 °F
Mostly Cloudy
and Breezy
then Partly
CloudyMonday

High: 51 °F
Mostly Sunny
Monday Night

Low: 34 °F
Mostly Cloudy
Tuesday

High: 59 °F
Mostly Sunny
Tuesday Night

Low: 42 °F
Mostly Cloudy
Wednesday

High: 66 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Sunny, with a high near 80. South southwest wind around 9 mph.
Tonight
Mostly clear, with a low around 61. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Sunday
A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 80. Breezy, with a south southwest wind 11 to 21 mph becoming north in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 33. Breezy, with a north wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 38 mph.
Monday
Mostly sunny, with a high near 51. North wind 9 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 34. East northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 59. South wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 40.
Friday
A chance of rain. Partly sunny, with a high near 51.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mattoon IL
39.49°N 88.39°W (Elev. 732 ft)
39.49°N 88.39°W (Elev. 732 ft)
1:26 pm CDT Mar 21, 2026
2pm CDT Mar 21, 2026-6pm CDT Mar 27, 2026


