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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

55°F

13°C

Humidity 80%
Wind Speed S 6 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 8 Oct 11:53 pm CDT
Extended Forecast for

3 Miles ESE Sullivan IL

  • Overnight

    Overnight: Mostly clear, with a low around 50. Light southeast wind.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South southeast wind around 7 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 83. South southeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 83 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 58. East southeast wind around 8 mph.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 76. East wind around 7 mph becoming north northwest in the afternoon.

    High: 76 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Light southeast wind.
Friday
Sunny, with a high near 86. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Friday Night
Mostly clear, with a low around 58. South southeast wind around 7 mph.
Saturday
Increasing clouds, with a high near 83. South southeast wind 6 to 9 mph, with gusts as high as 15 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58. East southeast wind around 8 mph.
Sunday
Mostly cloudy, with a high near 76. East wind around 7 mph becoming north northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 56. Calm wind.
Columbus Day
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 57.
Thursday
A chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Sullivan IL
 39.56°N 88.56°W (Elev. 627 ft)
Last Update:
12:36 am CDT Oct 9, 2026
Forecast Valid:
12am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation