Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
23°F
-5°C
| Humidity | 78% |
| Wind Speed | NE 7 mph |
| Barometer | 30.35 in (1028.8 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 15°F (-9°C) |
| Last update | 4 Feb 8:53 pm CST |
Extended Forecast for
Charleston IL
Tonight
Low: 9 °F
Mostly Cloudy
then Patchy
FogThursday

High: 28 °F
Chance
FlurriesThursday Night

Low: 22 °F
Decreasing
CloudsFriday

High: 39 °F
Partly Sunny
Friday Night

Low: 15 °F
Decreasing
CloudsSaturday

High: 27 °F
Mostly Sunny
Saturday Night

Low: 18 °F
Mostly Cloudy
Sunday

High: 41 °F
Partly Sunny
Sunday Night

Low: 24 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 9. Wind chill values between 2 and 7. North wind around 5 mph becoming calm in the evening.
Thursday
A chance of flurries between noon and 3pm. Mostly cloudy, with a high near 28. Wind chill values between 2 and 12. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 22. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Friday
Partly sunny, with a high near 39. West southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 15. North wind 8 to 13 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 27. North northeast wind 5 to 7 mph becoming east southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 18. South southeast wind 5 to 9 mph, with gusts as high as 16 mph.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly clear, with a low around 24.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 49.
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)
8:38 pm CST Feb 4, 2026
9pm CST Feb 4, 2026-6pm CST Feb 11, 2026


