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

14°F

-10°C

Humidity 84%
Wind Speed W 10 mph
Barometer 30.38 in (1030.0 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 1 Feb 12:53 am CST
Extended Forecast for

Lerna IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 6. West northwest wind 3 to 5 mph.

    Low: 6 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 23. Wind chill values between 1 and 11. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 16. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 16 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 31. West southwest wind 5 to 7 mph.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. Light and variable wind.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 28. North wind 5 to 7 mph.

    High: 28 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11. North wind around 6 mph.

    Low: 11 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 6. West northwest wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 23. Wind chill values between 1 and 11. Calm wind becoming south southwest 5 to 8 mph in the morning.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16. South wind around 7 mph, with gusts as high as 15 mph.
Monday
Mostly cloudy, with a high near 31. West southwest wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 20. Light and variable wind.
Tuesday
Mostly cloudy, with a high near 28. North wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 11. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
Partly sunny, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 23.
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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:
1:41 am CST Feb 1, 2026
Forecast Valid:
1am CST Feb 1, 2026-6pm CST Feb 7, 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