Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
21°F
-6°C
| Humidity | 62% |
| Wind Speed | E 7 mph |
| Barometer | 30.15 in (1021.9 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 12°F (-11°C) |
| Last update | 9 Feb 2:53 am CST |
Extended Forecast for
Charleston IL
Overnight

Low: 20 °F
Partly Cloudy
Monday

High: 42 °F
Mostly Sunny
Monday Night

Low: 34 °F
Partly Cloudy
Tuesday

High: 51 °F
Mostly Sunny
Tuesday Night

Low: 27 °F
Partly Cloudy
Wednesday

High: 42 °F
Mostly Sunny
Wednesday Night

Low: 27 °F
Partly Cloudy
Thursday

High: 40 °F
Mostly Cloudy
Thursday Night

Low: 28 °F
Chance Snow
Detailed Forecast
Overnight
Partly cloudy, with a low around 20. East wind around 6 mph.
Monday
Mostly sunny, with a high near 42. East wind around 5 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 34. South southeast wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 51. West southwest wind 6 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 27. North northwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 42. North northwest wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 27. Light and variable wind.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
A 30 percent chance of snow. Cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 41.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Saturday
A chance of rain. Cloudy, with a high near 42.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 31.
Sunday
A chance of rain. Mostly sunny, with a high near 44.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.5°N 88.19°W (Elev. 650 ft)
39.5°N 88.19°W (Elev. 650 ft)
1:16 am CST Feb 9, 2026
3am CST Feb 9, 2026-6pm CST Feb 15, 2026


