National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

31°F

-1°C

Humidity 67%
Wind Speed W 8 G 17 mph
Barometer 29.98 in (1016.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 31 Dec 3:53 am CST
Extended Forecast for

5 Miles SE Sullivan IL

  • Today

    Today: Mostly cloudy, with a high near 38. West wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 17 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 30. North wind 5 to 8 mph becoming calm in the morning.

    High: 30 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. North northeast wind around 5 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. North northeast wind around 5 mph becoming calm in the morning.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 38. West wind 9 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 17. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
New Year's Day
Sunny, with a high near 30. North wind 5 to 8 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 20. Calm wind.
Friday
Partly sunny, with a high near 35. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 20. North northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 34. North northeast wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Sullivan IL
 39.56°N 88.53°W (Elev. 650 ft)
Last Update:
3:42 am CST Dec 31, 2025
Forecast Valid:
4am CST Dec 31, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation