Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
21°F
-6°C
| Humidity | 88% |
| Wind Speed | NW 5 mph |
| Barometer | 30.12 in (1020.7 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 21 Feb 4:53 am CST |
Extended Forecast for
Lerna IL
Today
High: 37 °F
Partly Sunny
then Chance
Sprinkles/FlurriesTonight

Low: 20 °F
Partly Cloudy
Sunday

High: 29 °F
Partly Sunny
and BlusterySunday Night

Low: 17 °F
Mostly Cloudy
Monday

High: 30 °F
Sunny
Monday Night

Low: 18 °F
Partly Cloudy
Tuesday

High: 43 °F
Partly Sunny
Tuesday Night

Low: 35 °F
Mostly Cloudy
Wednesday

High: 55 °F
Partly Sunny
Detailed Forecast
Today
A chance of flurries, mixing with sprinkles after 1pm, then gradually ending. Increasing clouds, with a high near 37. West northwest wind 8 to 13 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 20. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 29. Wind chill values between 4 and 14. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 17. Wind chill values between 3 and 13. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 30. North northwest wind 9 to 18 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 18. Northwest wind 5 to 7 mph becoming light and variable.
Tuesday
Partly sunny, with a high near 43. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 54.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lerna IL
39.42°N 88.28°W (Elev. 741 ft)
39.42°N 88.28°W (Elev. 741 ft)
3:36 am CST Feb 21, 2026
5am CST Feb 21, 2026-6pm CST Feb 27, 2026


