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 78%
Wind Speed S 10 mph
Barometer 30.14 in (1021.5 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 2 Feb 5:53 am CST
Extended Forecast for

Lerna IL

  • Today

    Today: Mostly cloudy, with a high near 30. West wind 3 to 8 mph.

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 21. Light and variable wind.

    Low: 21 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 29. East northeast wind 5 to 8 mph becoming north in the afternoon.

    High: 29 °F

    Chance Snow
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11. Wind chill values between 2 and 7. North wind around 7 mph.

    Low: 11 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. North wind 3 to 6 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Calm wind becoming west around 5 mph after midnight.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 30. West wind 3 to 8 mph.
Tonight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 21. Light and variable wind.
Tuesday
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 29. East northeast wind 5 to 8 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 11. Wind chill values between 2 and 7. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 24. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 8. Calm wind becoming west around 5 mph after midnight.
Thursday
Partly sunny, with a high near 30. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 30.
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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:
6:36 am CST Feb 2, 2026
Forecast Valid:
6am CST Feb 2, 2026-6pm CST Feb 8, 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