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.

Fair

35°F

2°C

Humidity 52%
Wind Speed SW 16 G 22 mph
Barometer 30.04 in (1017.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Jan 8:53 am CST
Extended Forecast for

Lerna IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 41. West southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 41 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. West northwest wind 9 to 17 mph, with gusts as high as 31 mph.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 32. West wind 5 to 8 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4. Wind chill values between -8 and 2. Light and variable wind becoming north northwest 11 to 16 mph in the evening. Winds could gust as high as 25 mph.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 10. North wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -2. North northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: -2 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 12. Northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 12 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 41. West southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 20. West northwest wind 9 to 17 mph, with gusts as high as 31 mph.
Thursday
Partly sunny, with a high near 32. West wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 4. Wind chill values between -8 and 2. Light and variable wind becoming north northwest 11 to 16 mph in the evening. Winds could gust as high as 25 mph.
Friday
Mostly cloudy and cold, with a high near 10. North wind 13 to 17 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -2. North northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 12. Northeast wind around 10 mph, with gusts as high as 18 mph.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 2.
Monday
Sunny, with a high near 18.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 27.
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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:
8:37 am CST Jan 21, 2026
Forecast Valid:
9am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
Forecast Discussion
 
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