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.

Overcast

8°F

-13°C

Humidity 80%
Wind Speed NW 15 mph
Barometer 30.25 in (1025.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 26 Jan 12:53 am CST
Extended Forecast for

Charleston IL

Extreme Cold Warning until January 26, 12:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning until January 26, 12:00pm

    NOW until 12:00pm Mon

    Extreme Cold Warning

  • Overnight

    Low: -7 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny and cold, with a high near 8. Wind chill values between -16 and -26. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 8 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a temperature rising to around 8 by 4am. Wind chill values between -9 and -19. South southwest wind 7 to 16 mph, with gusts as high as 29 mph.

    Low: -3 °F⇑

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 22. Wind chill values between -7 and 3. Southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 22 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -8. West northwest wind 3 to 6 mph.

    Low: -8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 18. West wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 18 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: -5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 13.

    High: 13 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming mostly clear, with a low around -7. Wind chill values between -13 and -23. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny and cold, with a high near 8. Wind chill values between -16 and -26. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a temperature rising to around 8 by 4am. Wind chill values between -9 and -19. South southwest wind 7 to 16 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 22. Wind chill values between -7 and 3. Southwest wind 8 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. West northwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 18. West wind 5 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around -5. West wind around 6 mph becoming light and variable after midnight.
Thursday
Partly sunny, with a high near 13.
Thursday Night
Partly cloudy, with a low around -5.
Friday
Sunny, with a high near 12.
Friday Night
Mostly clear, with a low around -4.
Saturday
Mostly sunny, with a high near 17.
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:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
12:56 am CST Jan 26, 2026
Forecast Valid:
1am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
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