Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

5°F

-15°C

Humidity 57%
Wind Speed W 8 mph
Barometer 30.39 in (1030.8 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 26 Jan 12:53 pm CST
Extended Forecast for

Sullivan IL

Cold Weather Advisory January 26, 06:00pm until January 27, 06:00am
Click here for hazard details and duration
Cold Weather Advisory
  • This Afternoon

    This Afternoon: Mostly sunny and cold, with a high near 8. Wind chill values between -7 and -12. West wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 8 °F

    Cold

  • Tonight

    Tonight: Patchy blowing snow. Mostly clear, with a temperature rising to around 8 by 4am. Wind chill values between -9 and -17. South southwest wind 8 to 16 mph, with gusts as high as 28 mph.

    Low: -1 °F

    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Patchy blowing snow before noon. Mostly sunny, with a high near 21. Wind chill values between -5 and 5. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 21 °F

    Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -7. Wind chill values between -13 and -18. West northwest wind 3 to 6 mph.

    Low: -7 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 18. West wind 6 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 north after midnight.

    Low: -5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 14. North northwest wind 3 to 5 mph.

    High: 14 °F

    Partly Sunny

  • Thursday Night

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

    Low: -5 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny and cold, with a high near 8. Wind chill values between -7 and -12. West wind 8 to 13 mph, with gusts as high as 21 mph.
Tonight
Patchy blowing snow. Mostly clear, with a temperature rising to around 8 by 4am. Wind chill values between -9 and -17. South southwest wind 8 to 16 mph, with gusts as high as 28 mph.
Tuesday
Patchy blowing snow before noon. Mostly sunny, with a high near 21. Wind chill values between -5 and 5. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around -7. Wind chill values between -13 and -18. West northwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 18. West wind 6 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 north after midnight.
Thursday
Partly sunny, with a high near 14. North northwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around -5.
Friday
Sunny, with a high near 12.
Friday Night
Mostly clear, with a low around -5.
Saturday
Mostly sunny, with a high near 17.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.59°N 88.61°W (Elev. 669 ft)
12:36 pm CST Jan 26, 2026
12pm CST Jan 26, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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