Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

6°F

-14°C

Humidity 33%
Wind Speed N 16 G 36 mph
Barometer 30.65 in (1039.3 mb)
Dewpoint -17°F (-27°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 23 Jan 1:53 pm CST
Extended Forecast for

Charleston IL

Cold Weather Advisory January 23, 02:37pm 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 January 23, 02:37pm until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • This Afternoon

    High: 8 °F

    Cold

  • Tonight

    Tonight: Increasing clouds, with a low around 0. Wind chill values between -11 and -16. North northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 0 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Snow likely, mainly after 2pm.  Cloudy, with a high near 12. Wind chill values between -4 and -14. East northeast wind around 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 12 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: Snow, mainly after 9pm.  Low around 8. Wind chill values between -5 and zero. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow

  • Sunday

    Sunday: Snow.  High near 14. North wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 14 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around -2. Northwest wind around 11 mph, with gusts as high as 22 mph.

    Low: -2 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 9. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and cold, with a high near 8. Wind chill values between -7 and -12. North wind 13 to 15 mph, with gusts as high as 23 mph.
Tonight
Increasing clouds, with a low around 0. Wind chill values between -11 and -16. North northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Saturday
Snow likely, mainly after 2pm. Cloudy, with a high near 12. Wind chill values between -4 and -14. East northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
Snow, mainly after 9pm. Low around 8. Wind chill values between -5 and zero. East northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow. High near 14. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
A 30 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around -2. Northwest wind around 11 mph, with gusts as high as 22 mph.
Monday
Mostly sunny and cold, with a high near 9. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around -1.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Partly sunny, with a high near 16.
Wednesday Night
Mostly cloudy, with a low around -1.
Thursday
Mostly sunny, with a high near 13.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
1:51 pm CST Jan 23, 2026
2pm CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

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