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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

76°F

24°C

Humidity 47%
Wind Speed W 7 mph
Barometer 30.18 in (1021.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Oct 12:53 pm CDT
Extended Forecast for

3 Miles NNE Sullivan IL

  • This Afternoon

    This Afternoon: Isolated showers before 4pm. Partly sunny, with a high near 79. North northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 79 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Northeast wind around 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. East southeast wind around 7 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 52. Southeast wind around 7 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 77. South southeast wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. South southeast wind 8 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 76. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Isolated showers before 4pm. Partly sunny, with a high near 79. North northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 55. Northeast wind around 7 mph.
Thursday
Mostly sunny, with a high near 77. East southeast wind around 7 mph.
Thursday Night
Increasing clouds, with a low around 52. Southeast wind around 7 mph.
Friday
Partly sunny, with a high near 77. South southeast wind 7 to 11 mph, with gusts as high as 17 mph.
Friday Night
Partly cloudy, with a low around 58. South southeast wind 8 to 10 mph, with gusts as high as 15 mph.
Saturday
Showers and possibly a thunderstorm. High near 76. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 64.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Sullivan IL
 39.63°N 88.58°W (Elev. 650 ft)
Last Update:
1:11 pm CDT Oct 15, 2025
Forecast Valid:
1pm CDT Oct 15, 2025-6pm CDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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