Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Light Snow Fog/Mist

11°F

-12°C

Humidity 84%
Wind Speed N 18 G 30 mph
Barometer 30.00 in (1017.5 mb)
Dewpoint 7°F (-14°C)
Visibility 1.00 mi
Wind Chill-7°F (-22°C)
Last update 25 Jan 1:53 pm CST
Extended Forecast for

Charleston IL

Extreme Cold Warning January 26, 12:00am until January 26, 12:00pm
Winter Storm Warning January 25, 02:42pm until January 25, 06:00pm
Click here for hazard details and duration
Extreme Cold Warning
Winter Storm Warning
  •  
    Winter Storm Warning January 25, 02:42pm until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Storm Warning

  • This Afternoon

    High: 14 °F

    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around -7. Wind chill values between -13 and -23. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: -7 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny and cold, with a high near 6. Wind chill values between -14 and -24. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 6 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a temperature rising to around 8 by 4am. Wind chill values between -8 and -17. South southwest wind 6 to 14 mph, with gusts as high as 26 mph.

    Low: 1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -8. West northwest wind 3 to 7 mph.

    Low: -8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 17. West wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 17 °F

    Partly Sunny

  • Wednesday Night

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

    Low: -5 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow, mainly before 4pm. Patchy blowing snow. High near 14. Wind chill values between -5 and zero. North northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around -7. Wind chill values between -13 and -23. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday
Sunny and cold, with a high near 6. Wind chill values between -14 and -24. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a temperature rising to around 8 by 4am. Wind chill values between -8 and -17. South southwest wind 6 to 14 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 22. Southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around -8. West northwest wind 3 to 7 mph.
Wednesday
Partly sunny, with a high near 17. West wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around -5.
Thursday
Partly sunny, with a high near 11.
Thursday Night
Mostly cloudy, with a low around -2.
Friday
Mostly sunny, with a high near 12.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Mostly sunny, with a high near 16.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
2:36 pm CST Jan 25, 2026
2pm CST Jan 25, 2026-6pm CST Jan 31, 2026
 
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