Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
72°F
22°C
| Humidity | 71% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1017.3 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 23 Aug 9:53 am CDT |
Extended Forecast for
Charleston IL
Today
High: 80 °F
Sunny
Tonight
Low: 55 °F
Mostly Clear
Monday
High: 80 °F
Mostly Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny
Tuesday Night
Low: 62 °F
Partly Cloudy
Wednesday
High: 85 °F
Mostly Sunny
Wednesday Night
Low: 65 °F
Chance
ShowersThursday
High: 85 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 80. Northwest wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80. Calm wind.
Monday Night
Mostly clear, with a low around 58. Calm wind.
Tuesday
Sunny, with a high near 82. Light east southeast wind.
Tuesday Night
Partly cloudy, with a low around 62. Light south southeast wind.
Wednesday
Mostly sunny, with a high near 85. Light and variable wind becoming south southwest around 6 mph in the morning.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 83.
Additional Forecasts and Information
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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)
10:36 am CDT Aug 23, 2026
10am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
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