National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

79°F

26°C

Humidity 32%
Wind Speed SW 17 G 33 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Mar 1:53 pm CDT
Extended Forecast for

Lerna IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. West wind around 14 mph, with gusts as high as 24 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Northwest wind 6 to 8 mph becoming northeast after midnight. Winds could gust as high as 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. East wind around 7 mph becoming southwest in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. South southwest wind 11 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 52. North wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. West wind around 14 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 45. Northwest wind 6 to 8 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 75. East wind around 7 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 59. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 80. South southwest wind 11 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North wind 15 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 52. North wind 10 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 74. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lerna IL
 39.42°N 88.28°W (Elev. 741 ft)
Last Update:
1:26 pm CDT Mar 20, 2026
Forecast Valid:
2pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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