Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Mostly Cloudy
66°F
19°C
| Humidity | 65% |
| Wind Speed | W 7 mph |
| Barometer | 29.90 in (1011.9 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 13 May 1:53 am CDT |
Extended Forecast for
Lerna IL
Overnight
Low: 55 °F
Slight Chance
ShowersWednesday
High: 68 °F
Sunny
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 70 °F
Sunny
Thursday Night
Low: 51 °F
Increasing
CloudsFriday
High: 77 °F
Chance
ShowersFriday Night
Low: 62 °F
Partly Cloudy
Saturday
High: 84 °F
Chance
T-stormsSaturday Night
Low: 64 °F
Chance
T-storms
Detailed Forecast
Overnight
A 20 percent chance of showers before 2am. Mostly cloudy early, then gradual clearing, with a low around 55. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 68. Northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 44. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 70. East northeast wind around 5 mph becoming calm in the afternoon.
Thursday Night
Increasing clouds, with a low around 51. Light south southeast wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Friday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 77. South southeast wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 62. South wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 67.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 69.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lerna IL
39.42°N 88.25°W (Elev. 712 ft)
39.42°N 88.25°W (Elev. 712 ft)
1:26 am CDT May 13, 2026
1am CDT May 13, 2026-6pm CDT May 19, 2026
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