News Headlines
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
69°F
21°C
| Humidity | 81% |
| Wind Speed | SE 6 mph |
| Barometer | 30.07 in (1017.9 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 29 Aug 9:53 pm CDT |
Extended Forecast for
Charleston IL
Tonight
Low: 66 °F
Partly Cloudy
Sunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Partly Cloudy
Monday
High: 95 °F
Hot
Monday Night
Low: 75 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 98 °F
Hot
Wednesday Night
Low: 76 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 66. South wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 91. South wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 71. South wind 5 to 7 mph.
Monday
Sunny and hot, with a high near 95. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 75. South southwest wind around 6 mph.
Tuesday
Sunny and hot, with a high near 97. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 77. South southwest wind around 6 mph.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 90.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.48°N 88.19°W (Elev. 650 ft)
39.48°N 88.19°W (Elev. 650 ft)
9:36 pm CDT Aug 29, 2026
10pm CDT Aug 29, 2026-6pm CDT Sep 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
