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.

Partly Cloudy

26°F

-3°C

Humidity 92%
Wind Speed E 3 mph
Barometer 30.16 in (1022.1 mb)
Dewpoint 24°F (-4°C)
Visibility 7.00 mi
Last update 3 Feb 2:53 am CST
Extended Forecast for

Lerna IL

  • Overnight

    Overnight: A 20 percent chance of snow after 4am. Cloudy, with a low around 23. East northeast wind around 6 mph.

    Low: 23 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 30. North wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 30 °F

    Chance Snow
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 13. North northeast wind around 7 mph, with gusts as high as 15 mph.

    Low: 13 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 24. Wind chill values between 5 and 15. North wind 5 to 7 mph.

    High: 24 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Light and variable wind.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30. Light west southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. South southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow after 4am. Cloudy, with a low around 23. East northeast wind around 6 mph.
Tuesday
A 30 percent chance of snow, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 30. North wind 6 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 13. North northeast wind around 7 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 24. Wind chill values between 5 and 15. North wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 8. Light and variable wind.
Thursday
Partly sunny, with a high near 30. Light west southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 24. South southwest wind around 11 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lerna IL
 39.42°N 88.28°W (Elev. 741 ft)
Last Update:
3:37 am CST Feb 3, 2026
Forecast Valid:
3am CST Feb 3, 2026-6pm CST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation