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 and Breezy

14°F

-10°C

Humidity 64%
Wind Speed N 22 G 33 mph
Barometer 30.41 in (1030.7 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 23 Jan 2:53 am CST
Extended Forecast for

Lerna IL

Cold Weather Advisory until January 24, 12:00pm
Winter Storm Warning January 24, 09:00am until January 26, 12:00am
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Overnight

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 10. Wind chill values between -9 and -19. North wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 1. Wind chill values between -12 and -17. Northeast wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely after noon. Cloudy, with a high near 11. Wind chill values between -4 and -14. Northeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 11 °F

    Cloudy then
    Snow Likely

  • Saturday Night

    Saturday Night: Snow. Low around 8. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow

  • Sunday

    Sunday: Snow, mainly before noon. High near 14. North wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 14 °F

    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

Detailed Forecast

Overnight
Mostly cloudy, with a low around 3. Wind chill values between -2 and -7. North northwest wind 14 to 18 mph, with gusts as high as 26 mph.
Friday
Partly sunny and cold, with a high near 10. Wind chill values between -9 and -19. North wind 14 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 1. Wind chill values between -12 and -17. Northeast wind 11 to 14 mph, with gusts as high as 20 mph.
Saturday
Snow likely after noon. Cloudy, with a high near 11. Wind chill values between -4 and -14. Northeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
Snow. Low around 8. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow, mainly before noon. High near 14. North wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Northwest wind around 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and cold, with a high near 10.
Monday Night
Mostly clear, with a low around 0.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 3.
Wednesday
Partly sunny, with a high near 16.
Wednesday Night
Partly cloudy, with a low around -2.
Thursday
Mostly sunny, with a high near 13.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lerna IL
 39.42°N 88.28°W (Elev. 741 ft)
Last Update:
3:16 am CST Jan 23, 2026
Forecast Valid:
3am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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