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.

Fair

71°F

22°C

Humidity 51%
Wind Speed W 14 mph
Barometer 29.63 in (1003.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Nov 3:53 pm CST
Extended Forecast for

4 Miles ENE Sullivan IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. West wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. North northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. Northwest wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. West northwest wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 42. Southeast wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Tuesday

    Tuesday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 60. South southeast wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 60 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 76. West wind 11 to 16 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 38. North northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 54. Northwest wind 7 to 11 mph, with gusts as high as 17 mph.
Sunday Night
Mostly clear, with a low around 29. West northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 55. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Monday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 42. Southeast wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 60. South southeast wind 8 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 44.
Thursday
Rain. Mostly cloudy, with a high near 61.
Thursday Night
Rain likely. Mostly cloudy, with a low around 49.
Friday
Rain likely. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Sullivan IL
 39.61°N 88.52°W (Elev. 650 ft)
Last Update:
3:36 pm CST Nov 15, 2025
Forecast Valid:
3pm CST Nov 15, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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