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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

4°F

-16°C

Humidity 66%
Wind Speed S 9 mph
Barometer 30.33 in (1028.9 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 26 Jan 6:53 pm CST
Extended Forecast for

Charleston 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

  • Tonight

    Low: 2 °F⇑

    Mostly Clear
    then Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Patchy blowing snow before noon. Mostly sunny, with a high near 21. Wind chill values between -7 and 3. West northwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 21 °F

    Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -8. Wind chill values between -14 and -19. West wind 3 to 6 mph.

    Low: -8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 19. Wind chill values between -9 and -19. West southwest wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 19 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -1. West wind around 6 mph becoming north after midnight.

    Low: -1 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 12. North northwest wind around 6 mph becoming calm in the afternoon.

    High: 12 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -5. Calm wind becoming north northwest around 6 mph after midnight.

    Low: -5 °F

    Partly Cloudy

  • Friday

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

    High: 10 °F

    Cold

Detailed Forecast

Tonight
Patchy blowing snow after midnight. Mostly clear, with a temperature rising to around 9 by 4am. Wind chill values between -8 and -15. South southwest wind 8 to 16 mph, with gusts as high as 29 mph.
Tuesday
Patchy blowing snow before noon. Mostly sunny, with a high near 21. Wind chill values between -7 and 3. West northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around -8. Wind chill values between -14 and -19. West wind 3 to 6 mph.
Wednesday
Increasing clouds, with a high near 19. Wind chill values between -9 and -19. West southwest wind 5 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around -1. West wind around 6 mph becoming north after midnight.
Thursday
Partly sunny, with a high near 12. North northwest wind around 6 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around -5. Calm wind becoming north northwest around 6 mph after midnight.
Friday
Mostly sunny and cold, with a high near 10.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Partly sunny, with a high near 17.
Saturday Night
Partly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
6:36 pm CST Jan 26, 2026
Forecast Valid:
7pm CST Jan 26, 2026-6pm CST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation