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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

59°F

15°C

Humidity 62%
Wind Speed S 7 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 6 Oct 11:53 pm CDT
Extended Forecast for

4 Miles SE Sullivan IL

  • Overnight

    Overnight: Clear, with a low around 51. South southwest wind around 7 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. North wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. East wind 5 to 9 mph becoming south southeast in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53. South southeast wind around 7 mph.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 51. South southwest wind around 7 mph.
Wednesday
Sunny, with a high near 85. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming north northwest 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 46. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. East wind 5 to 9 mph becoming south southeast in the afternoon.
Friday Night
Clear, with a low around 53. South southeast wind around 7 mph.
Saturday
Sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 57.
Sunday
A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 55.
Columbus Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A chance of showers. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Sullivan IL
 39.54°N 88.56°W (Elev. 679 ft)
Last Update:
10:56 pm CDT Oct 6, 2026
Forecast Valid:
12am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation