Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Mostly Cloudy

78°F

26°C

Humidity 52%
Wind Speed W 7 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 3:53 pm CDT
Extended Forecast for

4 Miles E Lerna IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: Increasing clouds, with a low around 62. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall.  High near 79. East southeast wind 5 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could produce heavy rainfall.  Low around 64. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Heavy Rain
    then Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 74. North wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. North wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind around 5 mph becoming calm  in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall. High near 79. East southeast wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 64. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 74. North wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 57. North wind 5 to 8 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 77. North northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 59. Calm wind.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
A chance of showers. Mostly sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Lerna IL
 39.42°N 88.19°W (Elev. 653 ft)
1:26 pm CDT Jun 20, 2026
4pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database