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.

Partly Cloudy

13°F

-11°C

Humidity 88%
Wind Speed W 13 mph
Barometer 30.31 in (1027.8 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 30 Dec 4:53 am CST
Extended Forecast for

5 Miles S Sullivan IL

  • Today

    Today: Increasing clouds, with a high near 29. Wind chill values between 2 and 12. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 29 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. West northwest wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. West wind around 7 mph becoming north after midnight.

    Low: 19 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 31. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 37. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 37 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 29. Wind chill values between 2 and 12. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 26. West northwest wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 37. West wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 19. West wind around 7 mph becoming north after midnight.
New Year's Day
Sunny, with a high near 31. North wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 23. Calm wind.
Friday
Mostly cloudy, with a high near 37. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Sullivan IL
 39.52°N 88.59°W (Elev. 617 ft)
Last Update:
3:16 am CST Dec 30, 2025
Forecast Valid:
5am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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