


News Headlines
Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
72°F
22°C
Humidity | 94% |
Wind Speed | SW 10 mph |
Barometer | 29.69 in (1004.8 mb) |
Dewpoint | 70°F (21°C) |
Visibility | 9.00 mi |
Last update | 15 May 11:53 pm CDT |
Extended Forecast for
Lerna IL
Overnight
Low: 61 °F
Mostly Clear
Friday
High: 85 °F
Sunny then
Severe
Thunderstorms
and BreezyFriday Night
Low: 57 °F
Severe
ThunderstormsSaturday
High: 71 °F
Sunny
Saturday Night
Low: 52 °F
Partly Cloudy
Sunday
High: 76 °F
Mostly Sunny
Sunday Night
Low: 56 °F
Partly Cloudy
then Chance
ShowersMonday
High: 74 °F
Chance
ShowersMonday Night
Low: 61 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
Overnight
Mostly clear, with a low around 61. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Showers and thunderstorms likely, mainly after 4pm. Some of the storms could be severe. Increasing clouds, with a high near 85. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 57. West southwest wind 13 to 18 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 71. West wind 13 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 52. West wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 17 mph.
Sunday
Mostly sunny, with a high near 76. Light west northwest wind.
Sunday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 56. Calm wind becoming east northeast 5 to 8 mph in the evening. Winds could gust as high as 15 mph.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 74.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Thursday
A chance of showers. Partly sunny, with a high near 66.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
12:42 am CDT May 16, 2025
12am CDT May 16, 2025-6pm CDT May 22, 2025