Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
46°F
8°C
| Humidity | 68% |
| Wind Speed | SE 7 mph |
| Barometer | 30.15 in (1020.9 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 12 May 4:53 am CDT |
Extended Forecast for
Lerna IL
Blowing Dust Advisory May 12, 12:00pm until May 12, 07:00pm
Today

High: 78 °F
Sunny
Tonight

Low: 54 °F
Chance
ShowersWednesday

High: 67 °F
Sunny
Wednesday Night

Low: 44 °F
Mostly Clear
Thursday

High: 68 °F
Sunny
Thursday Night

Low: 50 °F
Partly Cloudy
Friday

High: 75 °F
Showers
LikelyFriday Night

Low: 59 °F
Chance
ShowersSaturday

High: 83 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 78. Southeast wind 7 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Tonight
A slight chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 54. Southwest wind 9 to 15 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 67. Northwest wind 14 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 44. North wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 68. North wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 50. Light southeast wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Friday
Showers likely before 1pm. Partly sunny, with a high near 75. South southeast wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A chance of showers. Partly cloudy, with a low around 67.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
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)
4:36 am CDT May 12, 2026
5am CDT May 12, 2026-6pm CDT May 18, 2026



