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

    Overnight: Mostly clear, with a low around 61. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    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.

    High: 85 °F

    Sunny then
    Severe
    Thunderstorms
    and Breezy

  • Friday Night

    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.

    Low: 57 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: Sunny, with a high near 71. West wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 71 °F

    Sunny

  • Saturday Night

    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.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Light west northwest wind.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    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.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers.  Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Monday Night

    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%.

    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.
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)
12:42 am CDT May 16, 2025
12am CDT May 16, 2025-6pm CDT May 22, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database