Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Mostly Cloudy
21°F
-6°C
| Humidity | 78% |
| Wind Speed | S 8 mph |
| Barometer | 30.04 in (1018.5 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 11°F (-12°C) |
| Last update | 5 Dec 10:53 am CST |
Extended Forecast for
Charleston IL
Today

High: 31 °F
Mostly Sunny
Tonight

Low: 24 °F
Mostly Cloudy
Saturday

High: 33 °F
Mostly Cloudy
Saturday Night
Low: 23 °F
Mostly Cloudy
then Chance
SnowSunday
High: 33 °F
Chance Snow
then Mostly
CloudySunday Night

Low: 8 °F
Mostly Cloudy
Monday

High: 25 °F
Mostly Sunny
Monday Night

Low: 14 °F
Partly Cloudy
Tuesday

High: 36 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 31. South wind around 8 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 24. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly cloudy, with a high near 33. West wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Calm wind becoming east southeast around 6 mph after midnight.
Sunday
A 50 percent chance of snow before noon. Mostly cloudy, with a high near 33. East southeast wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 8. North wind 5 to 10 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 25. Light and variable wind.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A chance of rain. Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Mostly cloudy, with a high near 27.
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)
11:36 am CST Dec 5, 2025
11am CST Dec 5, 2025-6pm CST Dec 11, 2025


