Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

23°F

-5°C

Humidity 78%
Wind Speed N 5 mph
Barometer 30.35 in (1028.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 4 Feb 9:53 pm CST
Extended Forecast for

Lerna IL

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 9. North wind around 5 mph becoming calm  in the evening.

    Low: 9 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Mostly cloudy, with a high near 27. Wind chill values between 2 and 12. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 27 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 22. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 39. West southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 16 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 27. North northeast wind 6 to 8 mph becoming east southeast in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. South southeast wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 9. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 27. Wind chill values between 2 and 12. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 22. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Friday
Partly sunny, with a high near 39. West southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North wind 9 to 13 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 27. North northeast wind 6 to 8 mph becoming east southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 18. South southeast wind 6 to 10 mph, with gusts as high as 17 mph.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 25.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Wednesday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Lerna IL
 39.42°N 88.28°W (Elev. 741 ft)
10:11 pm CST Feb 4, 2026
10pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
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Additional Resources

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