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

3°F

-16°C

Humidity 60%
Wind Speed W 13 mph
Barometer 30.41 in (1031.5 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-14°F (-26°C)
Last update 26 Jan 11:53 am CST
Extended Forecast for

Lerna IL

Cold Weather Advisory until January 27, 06:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 27, 06:00am

    NOW until 6:00am Tue

    Cold Weather Advisory

  • This Afternoon

    High: 8 °F

    Cold

  • Tonight

    Tonight: Patchy blowing snow after midnight. Mostly clear, with a temperature rising to around 8 by 5am. Wind chill values between -10 and -20. South southwest wind 7 to 16 mph, with gusts as high as 29 mph.

    Low: -3 °F⇑

    Mostly Clear
    then Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Patchy blowing snow before noon. Mostly sunny, with a high near 22. Wind chill values between -7 and 3. Southwest wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 22 °F

    Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -8. Wind chill values between -10 and -20. West northwest wind 5 to 7 mph.

    Low: -8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 18. West wind 6 to 9 mph, with gusts as high as 17 mph.

    High: 18 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -5. West wind around 6 mph becoming north after midnight.

    Low: -5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 13. North northwest wind 3 to 6 mph.

    High: 13 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -5.

    Low: -5 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and cold, with a high near 8. Wind chill values between -7 and -13. West wind 9 to 14 mph, with gusts as high as 22 mph.
Tonight
Patchy blowing snow after midnight. Mostly clear, with a temperature rising to around 8 by 5am. Wind chill values between -10 and -20. South southwest wind 7 to 16 mph, with gusts as high as 29 mph.
Tuesday
Patchy blowing snow before noon. Mostly sunny, with a high near 22. Wind chill values between -7 and 3. Southwest wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around -8. Wind chill values between -10 and -20. West northwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 18. West wind 6 to 9 mph, with gusts as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around -5. West wind around 6 mph becoming north after midnight.
Thursday
Partly sunny, with a high near 13. North northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around -5.
Friday
Sunny, with a high near 11.
Friday Night
Mostly clear, with a low around -5.
Saturday
Mostly sunny, with a high near 16.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly 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:
12:36 pm CST Jan 26, 2026
Forecast Valid:
12pm CST Jan 26, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation