Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
74°F
23°C
| Humidity | 45% |
| Wind Speed | S 9 mph |
| Barometer | 29.93 in (1012.9 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 1:53 pm CDT |
Extended Forecast for
Charleston IL
This Afternoon
High: 78 °F
Partly Sunny
Tonight
Low: 61 °F
Partly Cloudy
Saturday
High: 78 °F
Chance
T-storms then
ShowersSaturday Night
Low: 48 °F
Heavy Rain
Sunday
High: 60 °F
Chance
Showers and
BreezySunday Night
Low: 39 °F
Clear
Monday
High: 68 °F
Sunny
Monday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 60 °F
Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 78. South wind around 13 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 61. South southeast wind around 10 mph, with gusts as high as 16 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 78. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 48. West wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Sunday
A 40 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a west northwest wind 17 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Clear, with a low around 39. West wind 5 to 9 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 68. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A chance of showers. Mostly sunny, with a high near 65.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.5°N 88.19°W (Elev. 650 ft)
39.5°N 88.19°W (Elev. 650 ft)
1:35 pm CDT Oct 17, 2025
2pm CDT Oct 17, 2025-6pm CDT Oct 23, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
