Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
57°F
14°C
| Humidity | 58% |
| Wind Speed | S 8 mph |
| Barometer | 30.15 in (1020.9 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 4:53 am CDT |
Extended Forecast for
Lerna IL
Today

High: 76 °F
Sunny
Tonight
Low: 57 °F
Mostly Clear
then Slight
Chance
T-stormsFriday

High: 66 °F
Showers
LikelyFriday Night

Low: 45 °F
Mostly Cloudy
Saturday

High: 68 °F
Partly Sunny
Saturday Night

Low: 56 °F
Mostly Cloudy
Sunday
High: 78 °F
Partly Sunny
then Mostly
Cloudy and
BreezySunday Night
Low: 63 °F
Chance
Showers then
Showers
LikelyMonday
High: 78 °F
Chance
Showers then
Chance
T-storms and
Breezy
Detailed Forecast
Today
Sunny, with a high near 76. Southwest wind 13 to 18 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 57. South wind 10 to 14 mph, with gusts as high as 24 mph.
Friday
A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 66. Southwest wind 9 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly cloudy, with a low around 45. Northeast wind 7 to 9 mph, with gusts as high as 17 mph.
Saturday
Partly sunny, with a high near 68. Southeast wind around 9 mph, with gusts as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around 56. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 78. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 65.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Breezy.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73.
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)
4:08 am CDT Apr 9, 2026
5am CDT Apr 9, 2026-6pm CDT Apr 15, 2026



