Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

9°F

-13°C

Humidity 84%
Wind Speed NW 15 mph
Barometer 30.12 in (1021.4 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 25 Jan 6:53 pm CST
Extended Forecast for

5 Miles SE Sullivan IL

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

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around -8. Wind chill values between -15 and -25. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: -8 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny and cold, with a high near 7. Wind chill values between -14 and -24. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 7 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a temperature falling to near -1 by 9pm, then rising to around 8 during the remainder of the night. Wind chill values between -8 and -17. South southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    Low: -1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21. Wind chill values between -7 and 3. West southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -8. Northwest wind 5 to 7 mph.

    Low: -8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 17. West southwest wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 17 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -6. Northwest wind around 6 mph.

    Low: -6 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 11.

    High: 11 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -3.

    Low: -3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around -8. Wind chill values between -15 and -25. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny and cold, with a high near 7. Wind chill values between -14 and -24. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a temperature falling to near -1 by 9pm, then rising to around 8 during the remainder of the night. Wind chill values between -8 and -17. South southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 21. Wind chill values between -7 and 3. West southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around -8. Northwest wind 5 to 7 mph.
Wednesday
Increasing clouds, with a high near 17. West southwest wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around -6. Northwest wind around 6 mph.
Thursday
Partly sunny, with a high near 11.
Thursday Night
Mostly cloudy, with a low around -3.
Friday
Mostly sunny, with a high near 12.
Friday Night
Mostly clear, with a low around -4.
Saturday
Mostly sunny, with a high near 15.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 24.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Sullivan IL
 39.56°N 88.53°W (Elev. 650 ft)
6:31 pm CST Jan 25, 2026
7pm CST Jan 25, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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