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

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

23°F

-5°C

Humidity 74%
Wind Speed NW 18 G 28 mph
Barometer 30.36 in (1028.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 11 Jan 7:53 am CST
Extended Forecast for

Lerna IL

  • Today

    Today: Partly sunny, with a high near 34. Breezy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 34 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Southwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. West wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 39. Northwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 34. Breezy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Mostly clear, with a low around 25. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 52. Southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 35. West wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 39. Northwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly cloudy, with a high near 36.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 28.
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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:
6:41 am CST Jan 11, 2026
Forecast Valid:
8am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation