Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
55°F
13°C
| Humidity | 83% |
| Wind Speed | S 14 G 23 mph |
| Barometer | 29.60 in (1002.3 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 18 Feb 5:53 am CST |
Extended Forecast for
Lerna IL
Today

High: 66 °F
Becoming
SunnyTonight

Low: 47 °F
Increasing
CloudsThursday
High: 64 °F
Chance
Showers then
T-storms
LikelyThursday Night
Low: 36 °F
Chance
Showers then
Mostly ClearFriday

High: 45 °F
Sunny and
BreezyFriday Night

Low: 26 °F
Mostly Clear
Saturday
High: 39 °F
Partly Sunny
then Chance
SnowSaturday Night
Low: 23 °F
Chance Snow
then Partly
CloudySunday
High: 33 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Detailed Forecast
Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 66. West wind 10 to 18 mph, with gusts as high as 32 mph.
Tonight
Increasing clouds, with a low around 47. South wind 7 to 9 mph, with gusts as high as 15 mph.
Thursday
A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 64. South southeast wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 36. South wind 11 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 45. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Mostly clear, with a low around 26. West northwest wind 6 to 8 mph, with gusts as high as 15 mph.
Saturday
A 30 percent chance of snow after noon. Partly sunny, with a high near 39. Northwest wind 7 to 11 mph, with gusts as high as 17 mph.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 33. Breezy.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 39.
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)
5:36 am CST Feb 18, 2026
6am CST Feb 18, 2026-6pm CST Feb 24, 2026



